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R&S® FSV-K7/K7S
Analog Demodulation and FM Stereo
Operating Manual
(;ÚÙË2)
1176756102
Version 06
Operating Manual
Page 2
This manual describes the following R&S®FSV/FSVA options:
●
R&S FSV-K7 (1310.8103.02)
●
R&S FSV-K7S (1310.8126.02)
This manual describes the following R&S FSVA/FSV models with firmware version 3.30 and higher:
●
R&S®FSVA4 (1321.3008K05)
●
R&S®FSVA7 (1321.3008K08)
●
R&S®FSVA13 (1321.3008K14)
●
R&S®FSVA30 (1321.3008K31)
●
R&S®FSVA40 (1321.3008K41)
●
R&S®FSV4 (1321.3008K04)
●
R&S®FSV7 (1321.3008K07)
●
R&S®FSV13 (1321.3008K13)
●
R&S®FSV30 (1321.3008K30)
●
R&S®FSV40 (1321.3008K39/1321.3008K40)
It also applies to the following R&S®FSV models. However, note the differences described in Chapter 1.4,
"Notes for Users of R&S FSV 1307.9002Kxx Models", on page 9.
●
R&S®FSV3 (1307.9002K03)
●
R&S®FSV7 (1307.9002K07)
●
R&S®FSV13 (1307.9002K13)
●
R&S®FSV30 (1307.9002K30)
●
R&S®FSV40 (1307.9002K39/1307.9002K40)
© 2019 Rohde & Schwarz GmbH & Co. KG
Mühldorfstr. 15, 81671 München, Germany
Phone: +49 89 41 29 - 0
Fax: +49 89 41 29 12 164
Email: info@rohde-schwarz.com
Internet: www.rohde-schwarz.com
Subject to change – Data without tolerance limits is not binding.
R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.
Trade names are trademarks of the owners.
1176.7561.02 | Version 06 | R&S® FSV-K7/K7S
The following abbreviations are used throughout this manual: R&S®FSV/FSVA is abbreviated as R&S FSV/FSVA.
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R&S® FSV-K7/K7S
1 Preface.................................................................................................... 5
1.1 Documentation Overview............................................................................................. 5
1.2 Conventions Used in the Documentation...................................................................6
1.3 How to Use the Help System........................................................................................7
1.4 Notes for Users of R&S FSV 1307.9002Kxx Models.................................................. 9
2 Analog Demodulation Option R&S FSV–K7...................................... 10
2.1 Instrument Functions Analog Demodulation........................................................... 10
2.2 Softkeys of the Analog Demodulation option.......................................................... 26
2.3 Remote Commands of the Analog Demodulation (R&S FSV–K7)..........................81
3 FM Stereo Option R&S FSV–K7S......................................................188
Contents
Contents
3.1 Instrument Functions FM Stereo (R&S FSV–K7S)................................................. 188
3.2 Remote Commands of the FM Stereo Option (R&S FSV–K7S).............................227
List of Commands..............................................................................251
Index....................................................................................................257
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R&S® FSV-K7/K7S
Contents
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R&S® FSV-K7/K7S
1 Preface
1.1 Documentation Overview
1.1.1 Quick Start Guide
Preface
Documentation Overview
This section provides an overview of the R&S FSVA/FSV user documentation. Unless
specified otherwise, you find the documents on the R&S FSVA/FSV product page at:
www.rohde-schwarz.com/manual/FSVA
Introduces the R&S FSVA/FSV and describes how to set up and start working with the
product. Includes basic operations, typical measurement examples, and general information, e.g. safety instructions, etc. A printed version is delivered with the instrument.
A PDF version is available for download on the Internet.
1.1.2 Operating Manuals and Help
Separate operating manuals are provided for the base unit and the firmware applications:
●
Base unit manual
Contains the description of all instrument modes and functions. It also provides an
introduction to remote control, a complete description of the remote control commands with programming examples, and information on maintenance, instrument
interfaces and error messages. Includes the contents of the getting started manual.
●
Firmware application manual
Contains the description of the specific functions of a firmware application. Basic
information on operating the R&S FSVA/FSV is not included.
The contents of the operating manuals are available as help in the R&S FSVA/FSV.
The help offers quick, context-sensitive access to the complete information for the
base unit and the firmware applications.
All operating manuals are also available for download or for immediate display on the
Internet.
1.1.3 Service Manual
Describes the performance test for checking the rated specifications, module replacement and repair, firmware update, troubleshooting and fault elimination, and contains
mechanical drawings and spare part lists.
The service manual is available for registered users on the global Rohde & Schwarz
information system (GLORIS, https://gloris.rohde-schwarz.com).
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R&S® FSV-K7/K7S
1.1.4 Instrument Security Procedures
1.1.5 Basic Safety Instructions
1.1.6 Data Sheets and Brochures
Preface
Conventions Used in the Documentation
Deals with security issues when working with the R&S FSVA/FSV in secure areas. It is
available for download on the Internet.
Contains safety instructions, operating conditions and further important information.
The printed document is delivered with the instrument.
The data sheet contains the technical specifications of the R&S FSVA/FSV. It also lists
the firmware applications and their order numbers, and optional accessories.
The brochure provides an overview of the instrument and deals with the specific characteristics.
See www.rohde-schwarz.com/brochure-datasheet/FSV
1.1.7 Release Notes and Open Source Acknowledgment (OSA)
The release notes list new features, improvements and known issues of the current
firmware version, and describe the firmware installation.
The open source acknowledgment document provides verbatim license texts of the
used open source software.
See www.rohde-schwarz.com/firmware/FSV
1.1.8 Application Notes, Application Cards, White Papers, etc.
These documents deal with special applications or background information on particular topics.
See www.rohde-schwarz.com/application/FSV
1.2 Conventions Used in the Documentation
1.2.1 Typographical Conventions
The following text markers are used throughout this documentation:
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R&S® FSV-K7/K7S
Preface
How to Use the Help System
Convention Description
"Graphical user interface elements"
[Keys] Key and knob names are enclosed by square brackets.
Filenames, commands,
program code
Input Input to be entered by the user is displayed in italics.
Links Links that you can click are displayed in blue font.
"References" References to other parts of the documentation are enclosed by quota-
All names of graphical user interface elements on the screen, such as
dialog boxes, menus, options, buttons, and softkeys are enclosed by
quotation marks.
Filenames, commands, coding samples and screen output are distinguished by their font.
tion marks.
1.2.2 Conventions for Procedure Descriptions
When operating the instrument, several alternative methods may be available to perform the same task. In this case, the procedure using the touchscreen is described.
Any elements that can be activated by touching can also be clicked using an additionally connected mouse. The alternative procedure using the keys on the instrument or
the on-screen keyboard is only described if it deviates from the standard operating procedures.
The term "select" may refer to any of the described methods, i.e. using a finger on the
touchscreen, a mouse pointer in the display, or a key on the instrument or on a keyboard.
1.2.3 Notes on Screenshots
When describing the functions of the product, we use sample screenshots. These
screenshots are meant to illustrate as many as possible of the provided functions and
possible interdependencies between parameters. The shown values may not represent
realistic usage scenarios.
The screenshots usually show a fully equipped product, that is: with all options installed. Thus, some functions shown in the screenshots may not be available in your particular product configuration.
1.3 How to Use the Help System
Calling context-sensitive and general help
► To display the general help dialog box, press the [HELP] key on the front panel.
The help dialog box "View" tab is displayed. A topic containing information about
the current menu or the currently opened dialog box and its function is displayed.
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R&S® FSV-K7/K7S
Preface
How to Use the Help System
For standard Windows dialog boxes (e.g. File Properties, Print dialog etc.), no contextsensitive help is available.
► If the help is already displayed, press the softkey for which you want to display
help.
A topic containing information about the softkey and its function is displayed.
If a softkey opens a submenu and you press the softkey a second time, the submenu
of the softkey is displayed.
Contents of the help dialog box
The help dialog box contains four tabs:
●
"Contents" - contains a table of help contents
●
"View" - contains a specific help topic
●
"Index" - contains index entries to search for help topics
●
"Zoom" - contains zoom functions for the help display
To change between these tabs, press the tab on the touchscreen.
Navigating in the table of contents
●
To move through the displayed contents entries, use the [UP ARROW] and [DOWN
ARROW] keys. Entries that contain further entries are marked with a plus sign.
●
To display a help topic, press the [ENTER] key. The "View" tab with the corresponding help topic is displayed.
●
To change to the next tab, press the tab on the touchscreen.
Navigating in the help topics
●
To scroll through a page, use the rotary knob or the [UP ARROW] and [DOWN
ARROW] keys.
●
To jump to the linked topic, press the link text on the touchscreen.
Searching for a topic
1. Change to the "Index" tab.
2. Enter the first characters of the topic you are interested in. The entries starting with
these characters are displayed.
3. Change the focus by pressing the [ENTER] key.
4. Select the suitable keyword by using the [UP ARROW] or [DOWN ARROW] keys
or the rotary knob.
5. Press the [ENTER] key to display the help topic.
The "View" tab with the corresponding help topic is displayed.
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R&S® FSV-K7/K7S
1.4 Notes for Users of R&S FSV 1307.9002Kxx Models
Preface
Notes for Users of R&S FSV 1307.9002Kxx Models
Changing the zoom
1. Change to the "Zoom" tab.
2. Set the zoom using the rotary knob. Four settings are available: 1-4. The smallest
size is selected by number 1, the largest size is selected by number 4.
Closing the help window
► Press the [ESC] key or a function key on the front panel.
Users of R&S FSV 1307.9002Kxx models should consider the following differences to
the description of the newer R&S FSVA/FSV 1321.3008Kxx models:
●
Functions that are based on the Windows 10 operating system (e.g. printing or setting up networks) may have a slightly different appearance or require different settings on the Windows XP based models. For such functions, refer to the Windows
documentation or the documentation originally provided with the R&S FSV instrument.
●
The R&S FSV 1307.9002K03 model is restricted to a maximum frequency of
3 GHz, whereas the R&S FSVA/FSV1321.3008K04 model has a maximum frequency of 4 GHz.
●
The bandwidth extension option R&S FSV-B160 (1311.2015.xx) is not available for
the R&S FSV 1307.9002Kxx models. The maximum usable I/Q analysis bandwidth
for these models is 28 MHz, or with option R&S FSV-B70, 40 MHz.
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R&S® FSV-K7/K7S
2 Analog Demodulation Option R&S FSV–K7
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
Overview of firmware option R&S FSV–K7
This section contains all information required for operation of an R&S FSVA/FSV
equipped with Application Firmware R&S FSV–K7. It covers operation via menus and
the remote control commands for analog demodulation measurements.
This part of the documentation consists of the following chapters:
●
Chapter 2.1, "Instrument Functions Analog Demodulation", on page 10 describes
the overall instrument functions and provides further information
●
Chapter 2.2.1, "Softkeys of the Analog Demodulation Menu", on page 26 shows
all softkeys available in the "Analog Demod" menu. This chapter also presents the
remote control commands associated with each softkey function.
●
The following chapters describe the softkeys of the other keys for the Analog
Demodulation option.
●
Chapter 2.3, "Remote Commands of the Analog Demodulation (R&S FSV–K7)",
on page 81 describes all remote control commands defined for the analog
demodulation measurement.
This part of the documentation includes only functions of the Application Firmware
R&S FSV–K7. For all other descriptions, please refer to the description of the base
unit.
2.1 Instrument Functions Analog Demodulation
The digital signal processing in the R&S FSVA/FSV, used in the analyzer mode for digital IF filters, is also ideally suited for demodulating AM, FM, or PM signals. The firmware option R&S FSV–K7 provides the necessary measurement functions.
The R&S FSVA/FSV is equipped with a demodulator that is capable of performing AM,
FM, and PM demodulation at a time. Additionally maximum, minimum and average or
current values can be obtained parallel over a selected number of measurements.
By sampling (digitization) already at the IF and digital down-conversion to the baseband (I/Q), the demodulator achieves maximum accuracy and temperature stability.
There is no evidence of typical errors of an analog down-conversion and demodulation
like AM to FM conversion and vice versa, deviation error, frequency response or frequency drift at DC coupling.
To open the Analog Demodulation menu
●
If the "Analog Demodulation" mode is not the active measurement mode, press the
[MODE] key and select the "Analog Demodulation" softkey.
●
If the "Analog Demodulation" mode is already active, press the [HOME] or
[MEAS ]key.
The "Analog Demod" menu is displayed (see Chapter 2.2, "Softkeys of the Analog
Demodulation option", on page 26).
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R&S® FSV-K7/K7S
2.1.1 Circuit Description – Block Diagrams............................................................................ 11
2.1.2 Demodulation Bandwidth.............................................................................................. 13
2.1.3 Sample Rate, Measurement Time and Trigger Offset...................................................13
2.1.4 Variable-Sized Capture Buffer.......................................................................................15
2.1.5 AF Trigger..................................................................................................................... 16
2.1.6 Configuring Traces........................................................................................................16
2.1.7 Trace Mode Overview...................................................................................................17
2.1.8 Detector Overview.........................................................................................................19
2.1.9 Stability of Measurement Results..................................................................................20
2.1.10 Measurement Result Display........................................................................................ 20
2.1.11 ASCII File Export Format.............................................................................................. 23
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
Further information
2.1.1 Circuit Description – Block Diagrams
The software demodulator runs on the main processor of the analyzer. The demodulation process is shown in Figure 2-1 the figure below. All calculations are performed
simultaneously with the same I/Q data set. Magnitude (= amplitude) and phase of the
complex I/Q pairs are determined. The frequency result is obtained from the differential
phase.
For details on the analyzer signal processing refer to the TRACe:IQ subsystem in the
base unit.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
Figure 2-1: Block diagram of software demodulator
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
The AM DC, FM DC and PM DC raw data of the demodulators is fed into the Trace
Arithmetic block that combines consecutive data sets. Possible trace modes are:
Clear Write, Max Hold, Min Hold and Average (for details refer to Chapter 2.1.7, "Trace
Mode Overview", on page 17. The output data of the Trace Arithmetic block can
be read via remote control.
The collected measured values are evaluated by the selected detector (for details refer
to Chapter 2.1.8, "Detector Overview", on page 19. The result is displayed on the
screen and can be read out via remote control.
In addition, important parameters are calculated:
●
A counter determines the modulation frequency for AM, FM, and PM.
●
average power = carrier power (RF power)
●
average frequency = carrier frequency offset (FM)
●
The modulation depth or the frequency or phase deviation is displayed.
●
AC coupling is possible with FM and PM display. The deviations are determined
from the trace data. +Peak, –Peak, ½ Peak-Peak and RMS are displayed.
2.1.2 Demodulation Bandwidth
The demodulation bandwidth is not the 3 dB bandwidth but the useful bandwidth which
is distortion-free with regard to phase and amplitude.
Therefore the following formulas apply:
●
AM: demodulation bandwidth ≥ 2 x modulation frequency
●
FM: demodulation bandwidth ≥ 2 x (frequency deviation + modulation frequency)
●
PM: demodulation bandwidth ≥ 2 x modulation frequency x (1 + phase deviation)
If the center frequency of the analyzer is not set exactly to the signal frequency, the
demodulation bandwidth must be selected larger by the carrier offset, in addition to the
requirement described above. This also applies if FM or PM AC coupling has been
selected.
In general, the demodulation bandwidth should be as narrow as possible to improve
the S/N ratio. The residual FM caused by noise floor and phase noise increases dramatically with the bandwidth, especially with FM.
2.1.3 Sample Rate, Measurement Time and Trigger Offset
Depending on the sample rate, the maximum demodulation bandwidths listed in the
table can be obtained during the measurement. The permissible value range of the
measurement time and trigger offset depends on the selected demodulation bandwidth
and demodulation filter. If the AF filter or the AF trigger are not active, the measurement time increases by 20 %.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
Option K7S
The K7S option always uses the demodulation bandwidth 400 kHz.
Table 2-1: Sample Rate, Measurement Time and Trigger Offset using a flat demodulation filter
Demod. band-
Sample rate Measurement time Trigger offset
width
Min. Max. Min. Max.
160 MHz
80 MHz
40 MHz
1)
2)
2)
200 MHz 5 ns 8 ms -8 ms 1.0486 s
128 MHz 7.8125 ns 12.5 ms -12.5 ms 1.6384 s
64 MHz 15.625 ns 25 ms -25 ms 3.2768 s
28 MHz 64 MHz 15.625 ns 25 ms -25 ms 3.2768 s
18 MHz 32 MHz 31.25 ns 50 ms -50 ms 6.5536 s
10 MHz 32 MHz 31.25 ns 50 ms -50 ms 6.5536 s
8 MHz 16 MHz 62.5 ns 100 ms -100 ms 13.1072 s
5 MHz 8 MHz 125 ns 200 ms -200 ms 26.2144 s
3 MHz 4 MHz 250 ns 400 ms -400 ms 52.4288 s
1.6 MHz 2 MHz 500 ns 800 ms -800 ms 104.8576 s
800 kHz 1 MHz 1 µs 1.6 s -1.6 s 209.7152 s
400 kHz 500 kHz 2 µs 3.2 s -3.2 s 419.4304 s
200 kHz 250 kHz 4 µs 6.4 s -6.4 s 838.8608 s
100 kHz 125 kHz 8 µs 12.8 s -12.8 s 1677.7216 s
50 kHz 62.5 kHz 16 µs 25.6 s -25.6 s 3355.4432 s
25 kHz 31.25 kHz 32 µs 51.2 s -51.2 s 6710.8864 s
12.5 kHz 15.625 kHz 64 µs 102.4 s -102.4 s 13421.7728 s
6.4 kHz 7.8125 kHz 128 µs 204.8 s -204.8 s 26843.5456 s
3.2 kHz 3.90625 kHz 256 µs 409.6 s -409.6 s 53687.0912 s
1.6 kHz 1.953125 kHz 512 µs 819.2 s -819.2 s 107374.1824 s
800 Hz 976.5625 Hz 1.024 ms 1638.4 s -1638.4 s 214748.3648 s
400 Hz 488.28125 Hz 2.048 ms 3276.8 s -3276.8 s 429496.7296 s
200 Hz 244.140625 Hz 4.096 ms 6553.6 s -6553.6 s 858993.4592 s
100 Hz 122.0703125Hz8.192 ms 13107.2 s -13107.2 s 1717986.918 s
1)
only available with option R&S FSV-B160
2)
only available with option R&S FSV-B70/R&S FSVA-B40
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
Table 2-2: Sample Rate, Measurement Time and Trigger Offset using a Gaussian demodulation filter
Demod. bandwidth
1)
28 MHz
1)
18 MHz
10 MHz 40 MHz 25 ns 40 ms -40 ms 5,242879975 s
8 MHz 32 MHz 31.25 ns 50 ms -50 ms 6.553599969 s
5 MHz 12 MHz 83.33 ns 133.3 ms -80 ms 10,48575995 s
3 MHz 10.666 MHz 93.75 ns 150 ms -133.3 ms 17,47626667 s
1.6 MHz 6.4 MHz 156.25 ns 250 ms -250 ms 32.76799984 s
800 kHz 3.2 MHz 312.5 ns 5 ms -5 ms 65.53599969 s
400 kHz 1.6 MHz 625 ns 1 s -1 s 131.0719994 s
200 kHz 800 kHz 1.25 us 2 s -2 s 262.1439988 s
100 kHz 400 kHz 2.5 us 4 s -4 s 524.2879975 s
50 kHz 200 kHz 5 us 8 s -8 s 1048.575995 s
25 kHz 100 kHz 10 us 16 s -16 s 2097.15199 s
12.5 kHz 50 kHz 20 us 32 s -32 s 4194.30398 s
Sample rate Measurement time Trigger offset
Min. Max. Min. Max.
112 MHz 8.929 ns 14.28 ms -14.28 1.872457134 s
72 MHz 13.88 ns 22.22 ms -22.22 ms 2.912711097 s
6.4 kHz 25.6 kHz 39.0625 us 62.5 s -62.5 s 8191.999961 s
3.2 kHz 12.8 kHz 78.125 us 125 s -125 s 16383.99992 s
1.6 kHz 6.4 kHz 156.25 us 250 s -250 s 32767.99984 s
800 Hz 3.2 kHz 312.5 us 500 s -500 s 65535.99969 s
400 Hz 1.6 kHz 625 us 1000 s -1000 s 131071.9994 s
200 Hz 800 Hz 1.25 ms 2000 s -2000 s 262143.9988 s
100 Hz 400 Hz 2.5 ms 4000 s -4000 s 524287.9975 s
1)
gaussian filter curve is limited by IQ bandwidth
Large numbers of samples
Principally, the R&S FSVA/FSV can handle up to 1.6 million samples. However, when
480 001 samples are exceeded, all traces that are not currently being displayed on a
screen are deactivated to improve performance. The traces can only be activated
again when the samples are reduced.
2.1.4 Variable-Sized Capture Buffer
The capture buffer size is now variable. By default, the size of the capture buffer is
identical to the defined measurement time. However, if you select a larger capture time
manually, you can then scroll through the data in the capture buffer by changing the
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R&S® FSV-K7/K7S
2.1.5 AF Trigger
2.1.6 Configuring Traces
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
offset of the measurement time from the beginning of the capture buffer. The results,
which are based on the measurement time, are recalculated automatically based on
the new data.
The analog demodulation option allows triggering to the demodulated signal. The display is stable if a minimum of five modulation periods are within the recording time.
Triggering is always DC-coupled. Therefore triggering is possible directly to the point
where a specific carrier level, phase or frequency is exceeded or not attained.
1. To open the trace wizard, press the TRACE key and then the "Trace Wizard" softkey (see "Trace Wizard" on page 61).
Tip: Context-sensitive menus for traces. Traces have context-sensitive menus. If
you right-click on a trace in the display or a trace setting in the information channel
bar (or touch it for about 1 second), a menu is displayed which corresponds to the
softkey functions available for traces. This is useful, for example, when the softkey
display is hidden.
If a menu entry contains an arrow to the right of it, a submenu is available for that
entry.
To close the menu, press the ESC key or click in the display outside of the menu.
2. For each trace you can define the following settings:
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
●
Display Mode
Detector Auto Select Activates automatic detector selection (see Auto Select softkey). If
Trace Detector Defines a specific trace detector. If one of the following settings is
Clear Write
●
Max Hold
●
Min Hold
●
Average
●
View
●
Blank
For details see Chapter 2.1.7, "Trace Mode Overview", on page 17.
activated, the "Trace Detector" setting is ignored.
defined, the "Detector Auto Select" option is deactivated.
●
"Auto Select" on page 59
●
"Auto Peak" on page 60
●
"Positive Peak" on page 60
●
"Negative Peak" on page 60
●
"Sample" on page 60
●
"RMS" on page 60
●
"Average" on page 61
●
"Quasipeak" on page 61
3. To configure several traces to predefined display modes in one step, press the button for the required function:
Preset All Traces Trace 1: Clear Write
Select Max | Avg | Min Trace 1: Max Hold
Select Max | ClrWrite | Min Trace 1: Max Hold
For details see Chapter 2.1.7, "Trace Mode Overview", on page 17.
2.1.7 Trace Mode Overview
The traces can be activated individually for a measurement or frozen after completion
of a measurement. Traces that are not activate are hidden. Each time the trace mode
is changed, the selected trace memory is cleared.
The R&S FSVA/FSV offers 6 different trace modes:
Trace 2-6: Blank
Trace 2: Average
Trace 3: Min Hold
Trace 4-6: Blank
Trace 2: Clear Write
Trace 3: Min Hold
Trace 4-6: Blank
Clear Write
Overwrite mode: the trace is overwritten by each sweep. This is the default setting.
All available detectors can be selected.
Remote command:
DISP:TRAC:MODE WRIT, see DISPlay[:WINDow<n>]:TRACe<t>:MODE
on page 110
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
Max Hold
The maximum value is determined over several sweeps and displayed. The
R&S FSVA/FSV saves the sweep result in the trace memory only if the new value is
greater than the previous one.
The detector is automatically set to "Positive Peak".
This mode is especially useful with modulated or pulsed signals. The signal spectrum
is filled up upon each sweep until all signal components are detected in a kind of envelope.
This mode is not available for statistics measurements.
Remote command:
DISP:TRAC:MODE MAXH, see DISPlay[:WINDow<n>]:TRACe<t>:MODE
on page 110
Min Hold
The minimum value is determined from several measurements and displayed. The
R&S FSVA/FSV saves the smallest of the previously stored/currently measured values
in the trace memory.
The detector is automatically set to "Negative Peak".
This mode is useful e.g. for making an unmodulated carrier in a composite signal visi-
ble. Noise, interference signals or modulated signals are suppressed whereas a CW
signal is recognized by its constant level.
This mode is not available for statistics measurements.
Remote command:
DISP:TRAC:MODE MINH, see DISPlay[:WINDow<n>]:TRACe<t>:MODE
on page 110
Average
The average is formed over several sweeps. The Sweep Count determines the number
of averaging procedures.
All available detectors can be selected. If the detector is automatically selected, the
sample detector is used (see Chapter 2.1.8, "Detector Overview", on page 19).
This mode is not available for statistics measurements.
Remote command:
DISP:TRAC:MODE AVER, see DISPlay[:WINDow<n>]:TRACe<t>:MODE
on page 110
View
The current contents of the trace memory are frozen and displayed.
Note: If a trace is frozen, the instrument settings, apart from level range and reference
level (see below), can be changed without impact on the displayed trace. The fact that
the displayed trace no longer matches the current instrument setting is indicated by the
icon on the tab label.
If the level range or reference level is changed, the R&S FSVA/FSV automatically
adapts the measured data to the changed display range. This allows an amplitude
zoom to be made after the measurement in order to show details of the trace.
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R&S® FSV-K7/K7S
2.1.8 Detector Overview
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
Remote command:
DISP:TRAC:MODE VIEW, see DISPlay[:WINDow<n>]:TRACe<t>:MODE
on page 110
Blank
Hides the selected trace.
Remote command:
DISP:TRAC OFF, see DISPlay[:WINDow<n>]:TRACe<t>[:STATe] on page 111
The measurement detector for the individual display modes can be selected directly by
the user or set automatically by the R&S FSVA/FSV. The detector activated for the
specific trace is indicated in the corresponding trace display field by an abbreviation.
The detectors of the R&S FSVA/FSV are implemented as pure digital devices. They
collect signal power data within each measured point during a sweep. The default
number of sweep points is 691. The following detectors are available:
Table 2-3: Detector types
Detector Indicator Function
Auto Peak Ap Determines the maximum and the minimum value
within a measurement point (not available for SEM)
Positive Peak Pk Determines the maximum value within a measure-
ment point
Negative Peak (min peak) Mi Determines the minimum value within a measure-
ment point
RMS Rm Determines the root mean square power within a
measurement point
Average Av Determines the linear average power within a mea-
surement point
Sample Sa Selects the last value within a measurement point
The result obtained from the selected detector within a measurement point is displayed
as the power value at this measurement point.
All detectors work in parallel in the background, which means that the measurement
speed is independent of the detector combination used for different traces.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
Number of measured values
During a frequency sweep, the R&S FSVA/FSV increments the first local oscillator in
steps that are smaller than approximately 1/10 of the bandwidth. This ensures that the
oscillator step speed is conform to the hardware settling times and does not affect the
precision of the measured power.
The number of measured values taken during a sweep is independent of the number of
oscillator steps. It is always selected as a multiple or a fraction of 691 (= default number of trace points displayed on the screen). Choosing less then 691 measured values
(e.g. 125 or 251) will lead to an interpolated measurement curve, choosing more than
691 points (e.g. 1001, 2001 …) will result in several measured values being overlaid at
the same frequency position.
RMS detector and VBW
If the RMS detector is selected, the video bandwidth in the hardware is bypassed.
Thus, duplicate trace averaging with small VBWs and RMS detector no longer occurs.
However, the VBW is still considered when calculating the sweep time. This leads to a
longer sweep time for small VBW values. Thus, you can reduce the VBW value to achieve more stable trace curves even when using an RMS detector. Normally, if the RMS
detector is used the sweep time should be increased to get more stable trace curves.
2.1.9 Stability of Measurement Results
Despite amplitude and frequency modulation, the display of carrier power and carrier
frequency offset is stable.
This is achieved by a digital filter which sufficiently suppresses the modulation, provided, however, that the measurement time is ≥ 3 x 1 / modulation frequency, i.e. that at
least three periods of the AF signal are recorded.
The mean carrier power for calculating the AM is also calculated with a digital filter that
returns stable results after a measurement time of ≥ 3 x 1 / modulation frequency, i.e.
at least three cycles of the AF signal must be recorded before a stable AM can be
shown.
2.1.10 Measurement Result Display
In Analog Demodulation mode, the measurement results can be displayed in up to 4
different screens (windows), plus an additional marker table, if applicable. Each screen
shows either the measurement results as a diagram or the results of evaluation functions in a table ("Result Summary").
All displays are determined by the I/Q data set recorded for the measurement.
You can define the display configuration for up to 4 different screens at once using the
"Display Config" on page 28 softkey.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
Screen configuration
For each screen you can define:
●
Off: Whether it is displayed or not
●
Summary: Whether a result summary for all screens is displayed instead of a diagram
●
AM/FM/PM/RF Diagrams: Which type of diagram is displayed
Diagram types
The following diagram types can be selected for display.
●
AM/FM/PM Time Domain
Selects the AF display in zero span, calculated from the AM, FM, or PM signal.
SCPI command:
CALC:FEED 'XTIM:FM' (see CALCulate<n>:FEED on page 90)
Displays the demodulated FM signal from trace 1 in screen A.
●
AM/FM/PM Spectrum
Selects the display of the AF spectrum. The AF spectrum can be calculated from
the AM, FM, or PM signal in zero span.
SCPI command:
DISP:WIND2:SEL
Sets the focus on screen B.
CALC2:FEED 'XTIMe:FM:AFSPektrum2' (see CALCulate<n>:FEED
on page 90)
Displays an AF spectrum diagram of the demodulated FM signal from trace 2 in screen
B.
●
RF Time Domain
Selects the display of the RF power in zero span. In contrast to normal analyzer
operation, the level values are the magnitude of the I/Q data set.
SCPI command:
CALC:FEED 'XTIM:RFP' (see CALCulate<n>:FEED on page 90)
●
RF Spectrum
Selects the display of the RF signal in span > 0. In contrast to normal spectrum
analyzer operation, the measured values are determined using FFT from the recorded I/Q data set.
SCPI command:
CALC:FEED 'XTIM:SPECTRUM' (see CALCulate<n>:FEED on page 90)
Diagram header information
For each diagram, the header provides the following information:
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
1. Screen A/B/C/D
2. Modulation type
3. Trace color
4. Trace number
5. Detector
6. Trace mode
7. Reference value
8. AF coupling (AC/DC), only in AF time domains, if applicable
Result Summary
The result summary displays the results of the evaluation functions for all channels in a
table.
Summaries that take up the entire width of the screen are displayed as tables; if only
half the screen width is available (2 windows next to each other), the summary is displayed as a list. Thus, the factory-set predefined screen configurations contain only 3
screens: 2 for diagrams and one full-width screen for the summary.
For each channel, the following information is provided:
Label Description
+Peak Positive peak (maximum)
-Peak Negative peak (minimum)
+/-Peak/2 Average of positive and negative peaks
RMS Root Mean Square value
Mod Freq Modulation frequency
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R&S® FSV-K7/K7S
power distortion noise
power total
log20dBSINAD
1
2
2
2
log20
i
i
i
i
U
U
dBTHD
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
Label Description
SINAD Signal-to-noise and distortion
Measures the ratio of the total power to the power of noise and harmonic distortions. The noise and harmonic power is calculated
inside the AF spectrum span. The DC offset is removed before the
calculation.
THD Total harmonic distortion
The ratio of the harmonics to the fundamental and harmonics. All
harmonics inside the AF spectrum span are considered up to the
tenth harmonic.
In addition, the following general information for the input signal is provided:
●
Carrier Power
●
Carrier Offset
●
Modulation Depth
2.1.11 ASCII File Export Format
The data of the file header consist of three columns, each separated by a semicolon:
parameter name; numeric value; basic unit. The data section starts with the keyword
"Trace <n>" (<n> = number of stored trace), followed by the measured data in one or
several columns (depending on measurement) which are also separated by a semicolon.
Exporting a single trace vs exporting all traces
Note that the file containing the trace data has a slightly different structure when you
export all traces compared to exporting a single trace only. The differences are indicated in the tables below.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
Blue font: Information provided when you export a single trace
Green font: Information provided when you export all traces
Black font: Information provided regardless of the export mode
Header
Type; <instrument_model>; Instrument model
Version;1.00; Firmware version
Date;01. Jan 3000; Date of data set storage
Mode;Receiver; Application
Start;150000.000000;Hz Start frequency of the scan
Stop;100000000.000000;Hz; Stop frequency of the scan
X-Axis;LIN;
Detector;Average; Detector type
X-Unit;Hz;
Y-Unit;dBµV;
Scan Count;1;
Transducer;;;;;;;;
Scale of the x-axis
Unit of the x-axis
Unit of the y-axis
Scan count
Transducer information
Data section (scan ranges)
Scan 1:
Start;150000.000000;Hz; Start frequency of the scan range
Stop;29998500.000000;Hz; Stop frequency of the scan range
Step;4500.000000;Hz; Frequency stepsize applied in the scan range
RBW;9000.000000;Hz; Measurement bandwidth applied in the scan range
Meas Time;0.001000;s; Measurement time in the scan range
Auto Ranging;OFF; State of the auto ranging feature
RF Att;10.000000;dB; Attenuation applied in the scan range
Auto Preamp;OFF;
Preamp;0.000000;dB;
RF Input;1; RF input used in the scan range
Scan 2:
(…)
Data section (traces)
Trace 1:
Trace Mode;CLR/WRITE; Trace mode
Detector;MAX PEAK; Detector type
X-Unit;Hz; Unit of the x-axis
Y-Unit;Hz; Unit of the y-axis
Values;1343; Number of measurement points
150000.000000;3.541122;
154500.000000;5.776306;[...]
Trace 2:
(…)
Preamplifier information for the scan range
String of results
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Instrument Functions Analog Demodulation
Blue font: Information provided when you export a single trace
Green font: Information provided when you export all traces
Black font: Information provided regardless of the export mode
Header
Type; <instrument_model>; Instrument model
Version;1.00; Firmware version
Date;01. Jan 3000; Date of data set storage
Mode;Analyzer; Application
Center Freq;100000000.000000; Center frequency
Freq Offset;0.000000;Hz; Frequency offset
Span;10000000000.000000;Hz;
X-Axis;LIN; Scale of the x-axis
Start;150000.000000:Hz;
Stop;2500000.000000;Hz;
Ref Level;97.000000;dBµV;
Level Offset;0.000000;Hz;
Ref Position;100.000000;%; Reference position
Y-Axis;LOG; Scale of the y-axis
Level Range;100.000000;dB; Range of the y-axis
Rf Att;10.000000;dB; RF attenuation
RBW;3000000.000000;Hz; Resolution bandwidth
VBW;300000.000000;Hz; Video bandwidth
SWT;0.002000;s; Sweep time
Trace mode;CLR/WRITE; Trace mode
Detector;AUTOPEAK; Detector type
X-Unit;Hz; Unit of the x-axis
Y-Unit;Hz; Unit of the y-axis
Preamplifier;OFF; State of the preamplifier
Transducer;OFF; Transducer information
Sweep Count;0; Sweep / average count
Frequency span
Start frequency
Stop frequency
Reference level
Reference level offset
Data section (traces)
Trace 1:
Trace Mode;CLR/WRITE; Trace mode
Detector;MAX PEAK; Detector type
X-Unit;Hz; Unit of the x-axis
Y-Unit;Hz; Unit of the y-axis
Preamplifier;OFF; State of the preamplifier
Transducer;OFF; Transducer information
Values;691; Number of measurement points
150000.000000;3.541122;
154500.000000;5.776306;[...]
Trace 2:
(…)
String of results
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R&S® FSV-K7/K7S
2.2 Softkeys of the Analog Demodulation option
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Apart from the power measurement menu ([MEAS] key) that is not available in the
"Analog Demodulation" mode, all other menus not described here are provided as
described for the base unit. For details refer to the corresponding menu descriptions.
Importing and Exporting I/Q Data
I/Q data that was captured in the R&S FSV-K7 application can now be exported to a
file on the R&S FSVA/FSV. The stored data can then be imported again at a later time,
also by different applications, for further processing.
As opposed to storing trace data, which may be averaged or restricted to peak values,
I/Q data is stored as it was captured, without further processing. The data is stored as
complex values in 32-bit floating-point format. The I/Q data is stored in a packed format
with the file extension .iq.tar.
The "Import" and "Export" functions are available from the "Save/Recall" menu, which
is displayed when you press the [Save/Rcl] key on the front panel. For details see
"Importing and Exporting I/Q Data" in the base unit description.
To display help to a softkey, press the [HELP] key and then the softkey for which you
want to display help. To close the help window, press the ESC key. For further information refer to Chapter 1.3, "How to Use the Help System", on page 7.
● Softkeys of the Analog Demodulation Menu...........................................................26
● Softkeys of the Frequency Menu – FREQ Key (Analog Demodulation)................. 40
● Softkeys of the Span Menu – SPAN Key (Analog Demodulation).......................... 42
● Softkeys of the Amplitude Menu – AMPT Key (Analog Demodulation).................. 43
● Softkeys of the Auto Set menu - AUTO SET Key (Analog Demodulation)............. 49
● Softkeys of the Bandwidth Menu – BW Key (Analog Demodulation)......................51
● Softkeys of the Sweep Menu – SWEEP Key (Analog Demodulation).................... 55
● Softkeys of the Trace Menu – TRACE key (Analog Demodulation)........................57
● Softkeys of the Trigger Menu – TRIG Key (Analog Demodulation)........................ 63
● Softkeys of the Marker Menu – MKR key (Analog Demodulation)..........................67
● Softkeys of the Marker Function Menu – MKR FUNC Key (Analog Demodulation)
................................................................................................................................ 71
● Softkeys of the Input/Output Menu..........................................................................76
2.2.1 Softkeys of the Analog Demodulation Menu
The following table shows all softkeys available in the "Analog Demod" menu.
AM.................................................................................................................................28
└ Display Config.................................................................................................28
└ Screen A-D........................................................................................... 28
└ Predefined............................................................................................ 29
└ Add............................................................................................. 30
└ Apply...........................................................................................30
└ Remove...................................................................................... 30
└ Restore.......................................................................................30
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
└ Select Trace....................................................................................................30
└ Demod BW......................................................................................................30
└ Meas Time...................................................................................................... 31
└ AF Filter.......................................................................................................... 31
└ High Pass............................................................................................. 31
└ Low Pass.............................................................................................. 31
└ Weighting..............................................................................................32
└ None...........................................................................................32
└ CCITT.........................................................................................32
└ CCIR Unweighted.......................................................................32
└ CCIR Weighted...........................................................................33
└ A Weighted.................................................................................33
└ Deemphasis..........................................................................................33
└ All AF Filter Off..................................................................................... 34
└ AF Range........................................................................................................34
└ Dev per Division....................................................................................34
└ Reference Position............................................................................... 34
└ Reference Value................................................................................... 34
└ AF Coupling AC/DC..............................................................................35
└ Deviation Lin/Log..................................................................................35
└ Unit....................................................................................................... 35
└ Phase Unit (Rad/Deg)................................................................ 35
└ THD Unit (% / DB)...................................................................... 35
└ Abs. Dev Unit (kHz/dBm)............................................................36
└ Rel. Dev Unit (dB / %)................................................................ 36
└ Time Domain Zoom.........................................................................................36
└ State On / Off........................................................................................36
└ Start...................................................................................................... 36
└ Length Manual......................................................................................36
└ Length Auto.......................................................................................... 36
└ Squelch...........................................................................................................37
└ Squelch Level................................................................................................. 37
FM.................................................................................................................................37
└ Display Config.................................................................................................37
└ Select Trace....................................................................................................37
└ Demod BW......................................................................................................37
└ Meas Time...................................................................................................... 37
└ AF Filter.......................................................................................................... 37
└ AF Range........................................................................................................37
└ Time Domain Zoom.........................................................................................37
└ Squelch...........................................................................................................37
└ Squelch Level................................................................................................. 38
PM.................................................................................................................................38
└ Display Config.................................................................................................38
└ Select Trace....................................................................................................38
└ Demod BW......................................................................................................38
└ Meas Time...................................................................................................... 38
└ AF Filter.......................................................................................................... 38
└ AF Range........................................................................................................38
└ Time Domain Zoom.........................................................................................38
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
└ Squelch...........................................................................................................38
└ Squelch Level................................................................................................. 38
└ Zero Phase Reference Point...........................................................................38
└ Phase Wrap On/Off.........................................................................................39
RF Power...................................................................................................................... 39
└ Display Config.................................................................................................39
└ Select Trace....................................................................................................39
└ Demod BW......................................................................................................39
└ Meas Time...................................................................................................... 39
└ AF Filter.......................................................................................................... 39
└ AF Range........................................................................................................39
└ Time Domain Zoom.........................................................................................39
└ Squelch...........................................................................................................39
└ Squelch Level................................................................................................. 39
Display Config...............................................................................................................40
AM
Selects AM as the modulation type, changes the signal display, and opens a submenu
to set the measurement configuration.
In single sweep mode, the data is determined from the current I/Q data set, i.e. a
change to a different type does not trigger a new measurement.
This menu is also displayed when you press the [MEAS CONFIG] key after changing
the modulation type.
Remote command:
CALC:FEED 'XTIM:AM' (see CALCulate<n>:FEED on page 90)
Display Config ← AM
You configure the display settings for the results in the "Display Configuration" dialog
box. This dialog box contains the following tabs:
●
"Screen A-D": a separate tab for each of the four available screens
●
"Predefined": for predefined display configurations
Screen A-D ← Display Config ← AM
For each of the four available screens you can configure what is to be displayed. To
define the result display configuration for a screen, select the corresponding tab. For
each screen you can define:
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
●
Off: Whether it is displayed or not
●
Summary: Whether a summary of the evaluation lists from all screens is displayed
instead of a diagram
●
AM/FM/PM/RF Diagrams: Which type of diagram is displayed
For details on the result diagram types, see Chapter 2.1.10, "Measurement Result
Display", on page 20.
Note: By default, the diagram or summary displays the data from trace 1. To change
the trace, use the Select Trace softkey.
Remote command:
DISP:WIND2:STAT ON (see DISPlay[:WINDow<n>]:STATe on page 109 )
Displays second window (Screen B).
CALC2:FEED 'XTIMe:FM:AFSPektrum1' (see CALCulate<n>:FEED
on page 90)
Displays an AF spectrum diagram of the demodulated FM signal from trace 1 in screen
B.
Predefined ← Display Config ← AM
You can store and load predefined screen configurations. All available configurations
are displayed in the "Predefined" tab. The current screen configuration is indicated
under "Current" at the top of the list.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Add ← Predefined ← Display Config ← AM
Opens an edit dialog box to enter a name for the current screen configuration. The
configuration is then stored and added to the list.
Apply ← Predefined ← Display Config ← AM
Applies the currently selected configuration from the list to the current display.
Remove ← Predefined ← Display Config ← AM
Removes the currently selected configuration from the list.
Restore ← Predefined ← Display Config ← AM
Restores the default display configurations. Existing configurations with the default
names are replaced.
Select Trace ← AM
Opens an edit dialog box to enter the number of the trace for which the data is to be
displayed in the currently selected screen. Only activated traces can be selected.
Demod BW ← AM
Opens an edit dialog box to enter the demodulation bandwidth of the analog demodulation. The demodulation bandwidth determines the sampling rate for recording the signal to be analyzed. For details on the relation between demodulation bandwidth and
sampling rate refer to Chapter 2.1.3, "Sample Rate, Measurement Time and Trigger
Offset", on page 13.
Remote command:
[SENSe:]BANDwidth|BWIDth:DEMod on page 147
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Meas Time ← AM
Opens an editor for entering the measurement time of the analog demodulation. For
details on the measurement time values refer to Chapter 2.1.3, "Sample Rate, Mea-
surement Time and Trigger Offset", on page 13.
Note: For FM Stereo measurements (option K7S), the minimum measurement time is
2 ms.
Remote command:
[SENSe:]ADEMod:MTIMe on page 133
AF Filter ← AM
The bandwidth of the demodulated signal can be reduced by high pass or low pass filters and also a de-emphasis can be switched on. The selected filters are used for AM,
FM and PM demodulation in common. Individual settings are not possible.
High Pass ← AF Filter ← AM
Opens the "High Pass" selection list to switch on a high pass filter with the given limit
to separate the DC component. The filters are indicated by the 3 dB cutoff frequency.
The 50 Hz and 300 Hz filters are designed as 2nd-order Butterworth filter (12 dB/
octave). The 20 Hz filter is designed as 3rd-order Butterworth filter (18 dB/octave).
"None" deactivates the AF high pass filter. Default is "None".
The high pass filters are active in the following demodulation bandwidth range:
20 Hz 100 Hz ≤ demodulation bandwidth ≤ 1.6 MHz
50 Hz: 200 Hz ≤ demodulation bandwidth ≤ 3 MHz
300 Hz: 800 Hz ≤ demodulation bandwidth ≤ 8 MHz
Note: for FM stereo (K7S), all filters are active at all times, as the demodulation range is always 400 kHz
Remote command:
[SENSe:]FILTer<n>:HPASs[:STATe] on page 151
[SENSe:]FILTer<n>:HPASs:FREQuency on page 152
Low Pass ← AF Filter ← AM
Opens the "Low Pass" selection list to select the filter type. Relative and absolute low
pass filter are available.
●
Absolute low pass filters:
The 3 kHz, 15 kHz; 23 kHz and 150 kHz softkeys switch on a absolute low pass
filter. The filters are indicated by the 3 dB cutoff frequency. The 3 kHz, 15 kHz and
23 kHz filters are designed as 5th-order Butterworth filters (30 dB/octave). The 150
kHz filter is designed as 8th-order Butterworth filter (48 dB/octave).
The absolute low pass filters are active in the following demodulation bandwidth
range:
3 kHz: 6.4 kHz ≤ demodulation bandwidth ≤ 3 MHz
15 kHz: 50 kHz ≤ demodulation bandwidth ≤ 8 MHz
Note: for FM stereo (K7S), all filters are active at all times, as the demodulation range is always 400 kHz
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
23 kHz 50 kHz ≤ demodulation bandwidth ≤ 18 MHz
150 kHz: 400 kHz ≤ demodulation bandwidth ≤ 8 MHz
Note: for FM stereo (K7S), all filters are active at all times, as the demodulation range is always 400 kHz
●
Relative low pass filters:
The filters (3 dB) can be selected in % of the demodulation bandwidth. The filters
are designed as 5th-order Butterworth filter (30 dB/octave) and active for all
demodulation bandwidths.
●
"None" deactivates the AF low pass filter. Default is "None".
Remote command:
[SENSe:]FILTer<n>:LPASs[:STATe] on page 152
[SENSe:]FILTer<n>:LPASs:FREQuency[:ABSolute] on page 152
[SENSe:]FILTer<n>:LPASs:FREQuency:RELative on page 153
SFM:
[SENSe:]SFM:<ChannelType>:FILTer:LPASs:STATe on page 240
[SENSe:]SFM:<ChannelType>:FILTer:LPASs:FREQuency on page 241
Weighting ← AF Filter ← AM
Opens the "Weighting" selection list to select the weighting AF filter.
None ← Weighting ← AF Filter ← AM
Deactivates the weighting filter. This is the default setting.
Remote command:
[SENSe:]FILTer<n>:HPASs[:STATe] on page 151
CCITT ← Weighting ← AF Filter ← AM
Switches on a CCITT P.53 weighting filter. The weighting filter is active in the following
demodulation bandwidth range:
20 kHz ≤ demodulation bandwidth ≤ 3 MHz
For FM stereo (K7S), the filter is active at all times, as the demodulation range is
always 400 kHz.
Remote command:
[SENSe:]FILTer<n>:CCIT on page 149
SFM:
[SENSe:]SFM:<ChannelType>:FILTer:CCITt:STATe on page 237
CCIR Unweighted ← Weighting ← AF Filter ← AM
Switches on the CCIR unweighted filter, which is the combination of the 20 Hz highpass and 23 kHz low pass filter. The weighting filter is active in the following demodulation bandwidth range:
50 kHz ≤ demodulation bandwidth ≤ 1.6 MHz
For FM stereo (K7S), the filter is active at all times, as the demodulation range is
always 400 kHz.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Remote command:
[SENSe:]FILTer<n>:CCIR[:UNWeighted][:STATe] on page 150
SFM:
[SENSe:]SFM:<ChannelType>:FILTer:CCIR[:UNWeighted][:STATe]
on page 238
CCIR Weighted ← Weighting ← AF Filter ← AM
Switches on the CCIR weighted filter. The weighting filter is active in the following
demodulation bandwidth range:
100 kHz ≤ demodulation bandwidth ≤ 3.0 MHz
For FM stereo (K7S), the filter is active at all times, as the demodulation range is
always 400 kHz.
Remote command:
[SENSe:]FILTer<n>:CCIR:WEIGhted[:STATe] on page 150
SFM:
[SENSe:]SFM:<ChannelType>:FILTer:CCIR:WEIGhted[:STATe] on page 238
A Weighted ← Weighting ← AF Filter ← AM
Switches on the A weighted filter. The weighting filter is active in the following demodulation bandwidth range:
100 kHz ≤ demodulation bandwidth ≤ 800 kHz
Remote command:
[SENSe:]FILTer<n>:AWEighted[:STATe] on page 149
SFM:
[SENSe:]SFM:<ChannelType>:FILTer:AWEighted[:STATe] on page 237
Deemphasis ← AF Filter ← AM
Opens the "Deemphasis" selection list to switch on a deemphasis with the given time
constant.
The deemphasis is active in the following demodulation bandwidth range:
Note: For FM stereo measurements (K7S), the demodulation bandwidth is always 400
kHz, thus the deemphasis is always active.
25 µs: 25 kHz ≤ demodulation bandwidth ≤ 40 MHz
50 µs: 6.4 kHz ≤ demodulation bandwidth ≤ 18 MHz
75 µs: 6.4 kHz ≤ demodulation bandwidth ≤ 18 MHz
750 µs: 800 Hz ≤ demodulation bandwidth ≤ 3 MHz
The following table shows the required demodulation bandwidth for an error less than
0.5 dB up to a maximum AF frequency.
deemphasis 25 µs 50 µs 75 µs 750 µs
max. AF frequency 25 kHz 12 kHz 8 kHz 800 Hz
required demodulation bandwidth ≥ 200 kHz ≥ 100 kHz ≥ 50 kHz ≥ 6.4 kHz
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
For higher AF frequencies the demodulation bandwidth must be increased.
Remote command:
[SENSe:]FILTer<n>:DEMPhasis[:STATe] on page 150
[SENSe:]FILTer<n>:DEMPhasis:TCONstant on page 151
SFM:
[SENSe:]SFM:<ChannelType>:FILTer:DEMPhasis:STATe on page 239
[SENSe:]SFM:<ChannelType>:FILTer:DEMPhasis:TCONstant on page 239
All AF Filter Off ← AF Filter ← AM
Disables all specified AF Filters.
Remote command:
[SENSe:]FILTer<n>:AOFF on page 148
AF Range ← AM
Opens a submenu to define the diagram scaling for AF displays.
Dev per Division ← AF Range ← AM
Opens an edit dialog box to set the modulation depth or the phase deviation (Analog
Demodulation only), or frequency deviation per division:
AM display: 0.0001 % to 1000 %
FM display: 1 Hz/div to 100 MHz/div
PM display: 0.0001 rad/div to 1000 rad/div
The softkey is not available if logarithmic display is set ( "Deviation Lin/Log" softkey).
Remote command:
DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe]:PDIVision on page 112
Reference Position ← AF Range ← AM
Determines the position of the reference line for the modulation depth or the phase
deviation (Analog Demodulation only) or frequency deviation on the y-axis of the diagram. By default, this line is set to 0.
The position is entered as a percentage of the diagram height with 100 % corresponding to the upper diagram border. The default setting is 50 % (diagram center) for the
display of the AM, FM, or PM signal, and 100 % (upper diagram border) for the AF
spectrum display of the AM, FM, or PM signal.
Remote command:
DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe]:RPOSition on page 113
Reference Value ← AF Range ← AM
Determines the modulation depth or the phase deviation (Analog Demodulation only)
or the frequency deviation at the reference line of the y-axis. The reference value is set
separately for each display of the AM, FM, and PM signal and the AF spectrum of the
AM, FM, and PM signal.
●
AM/FM/PM signal display
The trace display takes individual frequency/phase offsets into account (in contrast,
the AF Coupling AC/DC softkey permits automatic correction by the average fre-
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
quency/phase offset of the signal, and can therefore not be activated simultaneously).
Possible values: 0 and ± 10000 % (AM), 0 and ± 10 MHz (FM), 0 and ± 10000 rad
(PM).
●
AF spectrum display of the AM/FM/PM signal
In the default setting, the reference value defines the modulation depth or the
FM/PM deviation at the upper diagram border.
Possible values: 0 and 10000 % (AM), 0 and 10 MHz (FM), 0 and 10000 rad (PM).
Remote command:
DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe]:RVALue on page 114
AF Coupling AC/DC ← AF Range ← AM
Controls the automatic correction of the frequency offset and phase offset of the input
signal:
(Note: This function is not available with the AF spectrum display of the FM or PM signal.)
●
FM signal display
If DC is selected, the absolute frequency is displayed, i.e. an input signal with an
offset relative to the center frequency is not displayed symmetrically with respect to
the zero line.
If AC is selected, the frequency offset is automatically corrected, i.e. the trace is
always symmetric with respect to the zero line.
●
PM signal display
If DC is selected, the phase runs according to the existing frequency offset. In addition, the DC signal contains a phase offset of ± π.
If AC is selected, the frequency offset and phase offset are automatically corrected,
i.e. the trace is always symmetric with respect to the zero line.
Remote command:
[SENSe:]ADEMod<n>:AF:COUPling on page 122
Deviation Lin/Log ← AF Range ← AM
Switches between logarithmic and linear display of the modulation depth or the phase
deviation (Analog Demodulation only) or the frequency deviation.
Remote command:
DISPlay[:WINDow<n>]:TRACe<t>:Y:SPACing on page 114
Unit ← AF Range ← AM
Opens a submenu to define the modulation unit.
Phase Unit (Rad/Deg) ← Unit ← AF Range ← AM
Sets the phase unit to rad or deg for displaying PM signals.
Remote command:
UNIT:THD on page 170
THD Unit (% / DB) ← Unit ← AF Range ← AM
Sets the unit to percent or DB for THD measurements.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Remote command:
UNIT:THD on page 170
Abs. Dev Unit (kHz/dBm) ← Unit ← AF Range ← AM
Sets the unit for absolute deviation to kHz or dBm. This softkey is only available with
the FM Stereo option K7S.
Remote command:
UNIT:ADEV on page 249
Rel. Dev Unit (dB / %) ← Unit ← AF Range ← AM
Sets the unit for relative deviation to dB or percent. This softkey is only available with
the FM Stereo option K7S.
Remote command:
UNIT:RDEV on page 250
Time Domain Zoom ← AM
Opens a submenu to activate and configure the zoom function.
State On / Off ← Time Domain Zoom ← AM
Activates or deactivates the time domain zoom according to the defined settings.
"ON"
"OFF"
Remote command:
[SENSe:]ADEMod<n>:ZOOM[:STATe] on page 143
Start ← Time Domain Zoom ← AM
Opens an edit dialog box to define the start time for the zoom area.
Remote command:
[SENSe:]ADEMod<n>:ZOOM:STARt on page 144
Length Manual ← Time Domain Zoom ← AM
Opens an edit dialog box to define the length of the zoom area (as a time value) manually.
Remote command:
[SENSe:]ADEMod<n>:ZOOM:LENGth on page 144
Activates the time domain zoom. The zoom area is defined using the
"Start""Start" on page 36 and "Length Manual""Length Manual"
on page 36 / "Length Auto""Length Auto" on page 36 softkeys.
If more measured values than measurement points are available,
several measured values are combined in one measurement point
according to the method of the selected trace detector. For details on
detectors refer to Chapter 2.1.8, "Detector Overview", on page 19.
Length Auto ← Time Domain Zoom ← AM
Automatically sets the length of the zoom area to the number of sweep points (see
"Sweep Points" on page 57).
Remote command:
[SENSe:]ADEMod<n>:ZOOM:LENGth:MODE on page 145
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Squelch ← AM
Activates the squelch function, i.e. if the signal falls below a defined threshold, the
demodulated data is automatically set to 0. This is useful, for example, to avoid
demodulation noise during transmission breaks.
Remote command:
[SENSe:]ADEMod:SQUelch[:STATe] on page 142
Squelch Level ← AM
Defines the level threshold below which the demodulated data is set to 0 if squelching
is enabled. The squelch level is an absolute value.
Remote command:
[SENSe:]ADEMod:SQUelch:LEVel on page 142
FM
Selects FM as the modulation type, changes the signal display, and opens a submenu
to set the measurement configuration. The average value of the demodulated signal is
mapped depending on the "AF Coupling" softkey setting (see "AF Coupling AC/DC"
on page 35).
In single sweep mode, the data is determined from the current I/Q data set, i.e. a
change to a different type does not trigger a new measurement.
This menu is also displayed when you press the [MEAS CONFIG] key after changing
the modulation type.
Remote command:
CALC:FEED 'XTIM:FM' (see CALCulate<n>:FEED on page 90)
Display Config ← FM
See "Display Config" on page 28.
Select Trace ← FM
See "Select Trace" on page 30.
Demod BW ← FM
See "Demod BW" on page 30.
Meas Time ← FM
See "Meas Time" on page 31.
AF Filter ← FM
See "AF Filter" on page 31.
AF Range ← FM
See "AF Range" on page 34.
Time Domain Zoom ← FM
See "Time Domain Zoom" on page 36.
Squelch ← FM
See "Squelch" on page 37.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Squelch Level ← FM
See "Squelch Level" on page 37.
PM
Selects PM as the modulation type, changes the signal display, and opens a submenu
to set the measurement configuration.
In single sweep mode, the data is determined from the current I/Q data set, i.e. a
change to a different type does not trigger a new measurement.
This menu is also displayed when you press the [MEAS CONFIG] key after changing
the modulation type.
Remote command:
CALC:FEED 'XTIM:PM' (see CALCulate<n>:FEED on page 90)
Display Config ← PM
See "Display Config" on page 28.
Select Trace ← PM
See "Select Trace" on page 30.
Demod BW ← PM
See "Demod BW" on page 30.
Meas Time ← PM
See "Meas Time" on page 31.
AF Filter ← PM
See "AF Filter" on page 31.
AF Range ← PM
See "AF Range" on page 34.
Time Domain Zoom ← PM
See "Time Domain Zoom" on page 36.
Squelch ← PM
See "Squelch" on page 37.
Squelch Level ← PM
See "Squelch Level" on page 37.
Zero Phase Reference Point ← PM
Defines the position at which the phase of the PM-demodulated signal is set to 0 rad.
The entry is made with respect to time. In the default setting, the first measured value
is set to 0 rad.
This softkey is only available in the PM display with DC coupling.
Remote command:
[SENSe:]ADEMod:PM:RPOint[:X] on page 137
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Phase Wrap On/Off ← PM
Activates/deactivates the phase wrap.
On The phase will be displayed in the range ±180° (± Π). For example, if the phase exceeds +180°,
360° is subtracted from the phase value, with the display thus showing >-180°.
Off The phase will not be wrapped.
This softkey is available in the PM signal displays.
Remote command:
CALC:FORM PHAS (see CALCulate<n>:FORMat on page 93)
RF Power
Selects RF power as the modulation type, changes the signal display, and opens a
submenu to set the measurement configuration.
In single sweep mode, the data is determined from the current I/Q data set, i.e. a
change to a different type does not trigger a new measurement.
This menu is also displayed when you press the [MEAS CONFIG] key after changing
the modulation type.
Remote command:
CALC:FEED 'XTIM:RFPower' (see CALCulate<n>:FEED on page 90)
Display Config ← RF Power
See "Display Config" on page 28.
Select Trace ← RF Power
See "Select Trace" on page 30.
Demod BW ← RF Power
See "Demod BW" on page 30.
Meas Time ← RF Power
See "Meas Time" on page 31.
AF Filter ← RF Power
See "AF Filter" on page 31.
AF Range ← RF Power
See "AF Range" on page 34.
Time Domain Zoom ← RF Power
See "Time Domain Zoom" on page 36.
Squelch ← RF Power
See "Squelch" on page 37.
Squelch Level ← RF Power
See "Squelch Level" on page 37.
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R&S® FSV-K7/K7S
2.2.2 Softkeys of the Frequency Menu – FREQ Key (Analog Demodula-
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Display Config
See "Display Config" on page 28.
tion)
The following table shows all softkeys available in the "Frequency" menu in "Analog
Demodulation" mode ([FREQ] key). It is possible that your instrument configuration
does not provide all softkeys. If a softkey is only available with a special option, model
or (measurement) mode, this information is delivered in the corresponding softkey
description.
Center........................................................................................................................... 40
CF Stepsize...................................................................................................................40
└ 0.1*Span (RF Spectrum).................................................................................40
└ 0.1*Demod BW (AF/RF Time Domain, AF Spectrum)....................................41
└ 0.5*Span (RF Spectrum).................................................................................41
└ 0.5*Demod BW (AF/RF Time Domain, AF Spectrum)....................................41
└ x*Span (RF Spectrum)....................................................................................41
└ x*Demod BW (AF/RF Time Domain, AF Spectrum)....................................... 41
└ =Center...........................................................................................................41
└ Manual............................................................................................................ 41
AF Center (AF Spectrum)............................................................................................. 42
AF Start.........................................................................................................................42
AF Stop......................................................................................................................... 42
Center
Opens an edit dialog box to enter the center frequency. The allowed range of values
for the center frequency depends on the frequency span.
span > 0: span
span = 0: 0 Hz ≤ f
f
and span
max
/2 ≤ f
min
center
are specified in the data sheet.
min
center
≤ f
max
≤ f
max
– span
min
/2
If the bandwidth extension option R&S FSV-B160 is active, center frequencies above
7 GHz are not available.
Remote command:
[SENSe:]FREQuency:CENTer on page 153
CF Stepsize
Opens a submenu to set the step size of the center frequency. Apart from the =Center
andManual softkeys, the other softkeys are displayed depending on the selected frequency span.
The step size can be coupled to the span (span > 0) or the demodulation bandwidth
(span = 0) or it can be manually set to a fixed value.
0.1*Span (RF Spectrum) ← CF Stepsize
Sets the step size for the center frequency to 10 % of the span.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Remote command:
[SENSe:]FREQuency:CENTer:STEP:LINK on page 154
[SENSe:]FREQuency:CENTer:STEP:LINK:FACTor on page 155
0.1*Demod BW (AF/RF Time Domain, AF Spectrum) ← CF Stepsize
Sets the step size for the center frequency to 10 % of the demodulation bandwidth.
This is the default setting.
Remote command:
[SENSe:]FREQuency:CENTer:STEP:LINK on page 154
[SENSe:]FREQuency:CENTer:STEP:LINK:FACTor on page 155
0.5*Span (RF Spectrum) ← CF Stepsize
Sets the step size for the center frequency to 50 % of the span.
Remote command:
[SENSe:]FREQuency:CENTer:STEP:LINK on page 154
[SENSe:]FREQuency:CENTer:STEP:LINK:FACTor on page 155
0.5*Demod BW (AF/RF Time Domain, AF Spectrum) ← CF Stepsize
Sets the step size for the center frequency to 50 % of the demodulation bandwidth.
Remote command:
[SENSe:]FREQuency:CENTer:STEP:LINK on page 154
[SENSe:]FREQuency:CENTer:STEP:LINK:FACTor on page 155
x*Span (RF Spectrum) ← CF Stepsize
Opens an edit dialog box to set the step size for the center frequency as % of the span.
Remote command:
[SENSe:]FREQuency:CENTer:STEP:LINK on page 154
[SENSe:]FREQuency:CENTer:STEP:LINK:FACTor on page 155
x*Demod BW (AF/RF Time Domain, AF Spectrum) ← CF Stepsize
Opens an edit dialog box to set the step size for the center frequency as % of the
demodulation bandwidth. Values between 1 and 100 % in steps of 1 % are allowed.
The default setting is 10 %.
Remote command:
[SENSe:]FREQuency:CENTer:STEP:LINK on page 154
[SENSe:]FREQuency:CENTer:STEP:LINK:FACTor on page 155
=Center ← CF Stepsize
Sets the step size to the value of the center frequency and removes the coupling of the
step size to span or resolution bandwidth.
This function is especially useful for measurements of the signal harmonics. In this
case, each stroke of the arrow key selects the center frequency of another harmonic.
Manual ← CF Stepsize
Opens an edit dialog box to enter a fixed step size for the center frequency.
Remote command:
[SENSe:]FREQuency:CENTer:STEP on page 154
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
AF Center (AF Spectrum)
Opens an edit box to enter the center frequency within the AF spectrum.
Remote command:
[SENSe:]ADEMod<n>:AF:CENTer on page 121
AF Start
Opens an edit box to define the start frequency within the AF spectrum.
Remote command:
[SENSe:]ADEMod<n>:AF:STARt on page 123
AF Stop
Opens an edit box to define the stop frequency within the AF spectrum.
The maximum AF stop frequency corresponds to half the demodulation bandwidth.
Remote command:
[SENSe:]ADEMod<n>:AF:STOP on page 124
2.2.3 Softkeys of the Span Menu – SPAN Key (Analog Demodulation)
The following table shows all softkeys available in the ""Span"" menu in ""Analog
Demodulation"" mode ([SPAN] key). It is possible that your instrument configuration
does not provide all softkeys. If a softkey is only available with a special option, model
or (measurement) mode, this information is delivered in the corresponding softkey
description.
Span Manual (RF Spectrum)........................................................................................ 42
AF Span Manual (AF Spectrum)...................................................................................42
Demod BW....................................................................................................................43
Full Span (RF Spectrum).............................................................................................. 43
AF Full Span (AF Spectrum).........................................................................................43
Span Manual (RF Spectrum)
Opens an edit dialog box to enter the frequency span. The center frequency is kept
constant. If the RF spectrum display is active, values between the sampling rate/1000
and the demodulation bandwidth are allowed.
Remote command:
[SENSe:]ADEMod:SPECtrum:SPAN:ZOOM on page 142
AF Span Manual (AF Spectrum)
Opens an edit dialog box to enter the frequency range for the AF spectrum display. Values between the sampling rate/1000 and the demodulation bandwidth/2 are allowed.
Remote command:
[SENSe:]ADEMod<n>:AF:SPAN on page 122
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Demod BW
Opens an edit dialog box to enter the demodulation bandwidth of the analog demodulation. The demodulation bandwidth determines the sampling rate for recording the signal to be analyzed. For details on the relation between demodulation bandwidth and
sampling rate refer to Chapter 2.1.3, "Sample Rate, Measurement Time and Trigger
Offset", on page 13.
Remote command:
[SENSe:]BANDwidth|BWIDth:DEMod on page 147
Full Span (RF Spectrum)
Sets the span to the maximum frequency range of the R&S FSVA/FSV specified in the
data sheet. This setting is useful for overview measurements.
If the RF spectrum display is active, the full frequency range corresponds to the
demodulation bandwidth.
Remote command:
[SENSe:]ADEMod:SPECtrum:SPAN:ZOOM on page 142
AF Full Span (AF Spectrum)
Sets the span to the maximum frequency range for the AF spectrum display. The maximum frequency range corresponds to half the demodulation bandwidth.
Remote command:
[SENSe:]ADEMod<n>:AF:SPAN:FULL on page 123
2.2.4 Softkeys of the Amplitude Menu – AMPT Key (Analog Demodulation)
The following table shows all softkeys available in the "Amplitude" menu in "Analog
Demodulation" mode (AMPT key). It is possible that your instrument configuration does
not provide all softkeys. If a softkey is only available with a special option, model or
(measurement) mode, this information is delivered in the corresponding softkey
description.
Ref Level.......................................................................................................................44
AF Range......................................................................................................................44
Range............................................................................................................................44
└ Range Log 100 dB..........................................................................................44
└ Range Log 50 dB............................................................................................44
└ Range Log 10 dB............................................................................................45
└ Range Log 5 dB..............................................................................................45
└ Range Log 1 dB..............................................................................................45
└ Range Log Manual..........................................................................................45
└ Range Linear %.............................................................................................. 45
└ Range Lin. Unit............................................................................................... 46
Unit................................................................................................................................46
└ Phase Unit (Rad/Deg).....................................................................................46
└ THD Unit (% / DB)...........................................................................................46
Preamp On/Off..............................................................................................................46
RF Atten Manual/Mech Att Manual............................................................................... 46
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
RF Atten Auto/Mech Att Auto........................................................................................47
El Atten On/Off..............................................................................................................47
El Atten Mode (Auto/Man).............................................................................................47
Ref Level Offset.............................................................................................................48
Ref Level Position......................................................................................................... 48
Grid Abs/Rel .................................................................................................................48
Input (AC/DC)................................................................................................................48
Input 50 Ω/75 Ω ............................................................................................................49
Ref Level
Opens an edit dialog box to enter the reference level in the current unit (dBm, dBµV,
etc).
The reference level is the maximum value the AD converter can handle without distortion of the measured value. Signal levels above this value will not be measured correctly, which is indicated by the "IFOVL" status display.
Remote command:
DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe]:RLEVel on page 113
AF Range
Only available for AM/FM/PM measurements (see Chapter 2.1.10, "Measurement
Result Display", on page 20).
For details refer to the "AF Range" softkey of the main menu (see "AF Range"
on page 34).
Range
Only available for RF measurements (see Chapter 2.1.10, "Measurement Result Dis-
play", on page 20).
Opens a submenu to define the level display range.
Range Log 100 dB ← Range
Sets the level display range to 100 dB.
Remote command:
Logarithmic scaling:
DISP:WIND:TRAC:Y:SPAC LOG, see DISPlay[:WINDow<n>]:TRACe<t>:Y:
SPACing on page 114
Display range:
DISP:WIND:TRAC:Y 100DB, see DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe]
on page 111
Range Log 50 dB ← Range
Sets the level display range to 50 dB.
Remote command:
Logarithmic scaling:
DISP:WIND:TRAC:Y:SPAC LOG, see DISPlay[:WINDow<n>]:TRACe<t>:Y:
SPACing on page 114
Display range:
DISP:WIND:TRAC:Y 50DB, see DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe]
on page 111
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Range Log 10 dB ← Range
Sets the level display range to 10 dB.
Remote command:
Logarithmic scaling:
DISP:WIND:TRAC:Y:SPAC LOG, see DISPlay[:WINDow<n>]:TRACe<t>:Y:
SPACing on page 114
Display range:
DISP:WIND:TRAC:Y 10DB, see DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe]
on page 111
Range Log 5 dB ← Range
Sets the level display range to 5 dB.
Remote command:
Logarithmic scaling:
DISP:WIND:TRAC:Y:SPAC LOG, see DISPlay[:WINDow<n>]:TRACe<t>:Y:
SPACing on page 114
Display range:
DISP:WIND:TRAC:Y 5DB, see DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe]
on page 111
Range Log 1 dB ← Range
Sets the level display range to 1 dB.
Remote command:
Logarithmic scaling:
DISP:WIND:TRAC:Y:SPAC LOG, see DISPlay[:WINDow<n>]:TRACe<t>:Y:
SPACing on page 114
Display range:
DISP:WIND:TRAC:Y 1DB, see DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe]
on page 111
Range Log Manual ← Range
Opens an edit dialog box to define the display range of a logarithmic level axis manually.
Remote command:
Logarithmic scaling:
DISP:WIND:TRAC:Y:SPAC LOG, see DISPlay[:WINDow<n>]:TRACe<t>:Y:
SPACing on page 114
Display range:
DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe] on page 111
Range Linear % ← Range
Selects linear scaling for the level axis in %.
The grid is divided into decadal sections.
Markers are displayed in the selected unit ("Unit" softkey). Delta markers are displayed
in % referenced to the voltage value at the position of marker 1. This is the default setting for linear scaling.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Remote command:
DISP:TRAC:Y:SPAC LIN, see DISPlay[:WINDow<n>]:TRACe<t>:Y:SPACing
on page 114
Range Lin. Unit ← Range
Selects linear scaling in dB for the level display range, i.e. the horizontal lines are
labeled in dB.
Markers are displayed in the selected unit ("Unit" softkey). Delta markers are displayed
in dB referenced to the power value at the position of marker 1.
Remote command:
DISP:TRAC:Y:SPAC LDB, see DISPlay[:WINDow<n>]:TRACe<t>:Y:SPACing
on page 114
Unit
Opens a submenu to define the unit of the measurement results.
Phase Unit (Rad/Deg) ← Unit
Sets the phase unit to rad or deg for displaying PM signals.
Remote command:
UNIT:THD on page 170
THD Unit (% / DB) ← Unit
Sets the unit to percent or DB for THD measurements.
Remote command:
UNIT:THD on page 170
Preamp On/Off
Switches the preamplifier on and off.
If option R&S FSV-B22 is installed, the preamplifier is only active below 7 GHz.
If option R&S FSV-B24 is installed, the preamplifier is active for all frequencies.
This function is not available for input from the R&S Digital I/Q Interface (option
R&S FSV-B17).
Remote command:
INPut:GAIN:STATe on page 181
RF Atten Manual/Mech Att Manual
Opens an edit dialog box to enter the attenuation, irrespective of the reference level. If
electronic attenuation is activated (option R&S FSV-B25 only; "El Atten Mode Auto"
softkey), this setting defines the mechanical attenuation.
The mechanical attenuation can be set in 10 dB steps.
The RF attenuation can be set in 5 dB steps (R&S FSV with option R&S FSV-B25 or
R&S FSVA: 1 dB steps). The range is specified in the data sheet. If the current reference level cannot be set for the set RF attenuation, the reference level is adjusted
accordingly.
This function is not available for input from the R&S Digital I/Q Interface (option
R&S FSV-B17).
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
The RF attenuation defines the level at the input mixer according to the formula:
level
mixer
= level
– RF attenuation
input
Note: As of firmware version 1.61, the maximum mixer level allowed is 0 dBm. Mixer
levels above this value may lead to incorrect measurement results, which are indicated
by the "OVLD" status display. The increased mixer level allows for an improved signal,
but also increases the risk of overloading the instrument!
Remote command:
INPut:ATTenuation on page 177
RF Atten Auto/Mech Att Auto
Sets the RF attenuation automatically as a function of the selected reference level.
This ensures that the optimum RF attenuation is always used. It is the default setting.
This function is not available for input from the R&S Digital I/Q Interface (option
R&S FSV-B17).
Remote command:
INPut:ATTenuation:AUTO on page 177
El Atten On/Off
This softkey switches the electronic attenuator on or off. This softkey is only available
with option R&S FSV-B25.
When the electronic attenuator is activated, the mechanical and electronic attenuation
can be defined separately. Note however, that both parts must be defined in the same
mode, i.e. either both manually, or both automatically.
This function is not available for input from the R&S Digital I/Q Interface (option
R&S FSV-B17).
●
To define the mechanical attenuation, use the RF Atten Manual/Mech Att Manual
or RF Atten Auto/Mech Att Auto softkeys.
●
To define the electronic attenuation, use the El Atten Mode (Auto/Man) softkey.
Note: This function is not available for stop frequencies (or center frequencies in zero
span) >7 GHz. In this case, the electronic and mechanical attenuation are summarized
and the electronic attenuation can no longer be defined individually. As soon as the
stop or center frequency is reduced below 7 GHz, this function is available again.
When the electronic attenuator is switched off, the corresponding RF attenuation mode
(auto/manual) is automatically activated.
Remote command:
INPut:EATT:AUTO on page 181
El Atten Mode (Auto/Man)
This softkey defines whether the electronic attenuator value is to be set automatically
or manually. If manual mode is selected, an edit dialog box is opened to enter the
value. This softkey is only available with option R&S FSV-B25, and only if the electronic attenuator has been activated via the El Atten On/Off softkey.
Note: This function is not available for stop frequencies (or center frequencies in zero
span) >7 GHz. In this case, the electronic and mechanical attenuation are summarized
and the electronic attenuation can no longer be defined individually. As soon as the
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
stop or center frequency is reduced below 7 GHz, electronic attenuation is available
again. If the electronic attenuation was defined manually, it must be re-defined.
The attenuation can be varied in 1 dB steps from 0 to 30 dB. Other entries are rounded
to the next lower integer value.
To re-open the edit dialog box for manual value definition, select the "Man" mode
again.
If the defined reference level cannot be set for the given RF attenuation, the reference
level is adjusted accordingly and the warning "Limit reached" is output.
Remote command:
INPut:EATT:AUTO on page 181
INPut:EATT on page 181
Ref Level Offset
Opens an edit dialog box to enter the arithmetic level offset. This offset is added to the
measured level irrespective of the selected unit. The scaling of the y-axis is changed
accordingly. The setting range is ±200 dB in 0.1 dB steps.
Remote command:
DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe]:RLEVel:OFFSet on page 113
Ref Level Position
Opens an edit dialog box to enter the reference level position, i.e. the position of the
maximum AD converter value on the level axis. The setting range is from -200 to
+200 %, 0 % corresponding to the lower and 100 % to the upper limit of the diagram.
Only available for RF measurements.
Remote command:
DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe]:RPOSition on page 113
Grid Abs/Rel
Switches between absolute and relative scaling of the level axis (not available with
"Linear" range).
Only available for RF measurements.
"Abs"
"Rel"
Remote command:
DISPlay[:WINDow<n>]:TRACe<t>:Y[:SCALe]:MODE on page 112
Input (AC/DC)
Toggles the RF input of the R&S FSVA/FSV between AC and DC coupling.
Absolute scaling: The labeling of the level lines refers to the absolute
value of the reference level. Absolute scaling is the default setting.
Relative scaling: The upper line of the grid is always at 0 dB. The
scaling is in dB whereas the reference level is always in the set unit
(for details on unit settings see the "Unit" softkey).
This function is not available for input from the R&S Digital I/Q Interface (option
R&S FSV-B17).
Remote command:
INPut:COUPling on page 178
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R&S® FSV-K7/K7S
2.2.5 Softkeys of the Auto Set menu - AUTO SET Key (Analog Demodula-
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Input 50 Ω/75 Ω
Uses 50 Ω or 75 Ω as reference impedance for the measured levels. Default setting is
50 Ω.
The setting 75 Ω should be selected if the 50 Ω input impedance is transformed to a
higher impedance using a 75 Ω adapter of the RAZ type (= 25 Ω in series to the input
impedance of the instrument). The correction value in this case is 1.76 dB = 10 log (75
Ω/50 Ω).
All levels specified in this Operating Manual refer to the default setting of the instrument (50 Ω).
This function is not available for input from the R&S Digital I/Q Interface (option
R&S FSV-B17).
Remote command:
INPut:IMPedance on page 182
tion)
The following table shows all softkeys available in the "Auto Set" menu. It is possible
that your instrument configuration does not provide all softkeys. If a softkey is only
available with a special option, model or (measurement) mode, this information is provided in the corresponding softkey description.
Adjusting settings automatically during triggered measurements
When you select an auto adjust function a measurement is performed to determine the
optimal settings. If you select an auto adjust funtion for a triggered measurement, you
can select how the R&S FSVA/FSV should behave:
●
(default:) The measurement for adjustment waits for the next trigger
●
The measurement for adjustment is performed without waiting for a trigger.
The trigger source is temporarily set to "Free Run". After the measurement is completed, the original trigger source is restored. The trigger level for IF Power and RF
Power triggers is adjusted as follows:
Trigger Level = Reference Level - 15 dB
Auto All..........................................................................................................................49
Auto Freq...................................................................................................................... 50
Auto Level..................................................................................................................... 50
Settings......................................................................................................................... 50
└ Meas Time Manual......................................................................................... 50
└ Meas Time Auto..............................................................................................50
└ Upper Level Hysteresis...................................................................................50
└ Lower Level Hysteresis...................................................................................51
AF Auto Scale............................................................................................................... 51
Auto All
Performs all automatic settings.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
●
"Auto Freq" on page 50
●
"Auto Level" on page 50
Remote command:
[SENSe:]ADJust:ALL on page 145
Auto Freq
Defines the center frequency and the reference level automatically by determining the
highest frequency level in the frequency span. This function uses the signal counter;
thus it is intended for use with sinusoidal signals.
This function is not available for input from the R&S Digital I/Q Interface (option
R&S FSV-B17).
Remote command:
[SENSe:]ADJust:FREQuency on page 146
Auto Level
Defines the optimal reference level for the current measurement automatically.
The measurement time for automatic leveling can be defined using the Settings soft-
key.
Remote command:
[SENSe:]ADJust:LEVel on page 147
Settings
Opens a submenu to define settings for automatic leveling.
Possible settings are:
●
"Meas Time Manual" on page 50
●
"Meas Time Auto" on page 50
Meas Time Manual ← Settings
Opens an edit dialog box to enter the duration of the level measurement in seconds.
The level measurement is used to determine the optimal reference level automatically
(see the "Auto Level" softkey, "Auto Level" on page 50). The default value is 1 ms.
Remote command:
[SENSe:]ADJust:CONFigure:LEVel:DURation on page 146
Meas Time Auto ← Settings
The level measurement is used to determine the optimal reference level automatically
(see the Auto Level softkey).
This softkey resets the level measurement duration for automatic leveling to the default
value of 100 ms.
Upper Level Hysteresis ← Settings
Defines an upper threshold the signal must exceed before the reference level is automatically adjusted when the "Auto Level" function is performed.
Remote command:
[SENSe:]ADJust:CONFiguration:HYSTeresis:UPPer on page 146
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R&S® FSV-K7/K7S
2.2.6 Softkeys of the Bandwidth Menu – BW Key (Analog Demodulation)
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Lower Level Hysteresis ← Settings
Defines a lower threshold the signal must exceed before the reference level is automatically adjusted when the "Auto Level" function is performed.
Remote command:
[SENSe:]ADJust:CONFiguration:HYSTeresis:LOWer on page 145
AF Auto Scale
Activates automatic scaling of the y-axis for AF measurements. RF power and RF
spectrum measurements are not affected by the auto-scaling.
Remote command:
[SENSe:]ADJust:SCALe:Y:AUTO[:CONTinuous] on page 147
The following table shows all softkeys available in the "Bandwidth" menu in "Analog
Demodulation" mode (BW key). It is possible that your instrument configuration does
not provide all softkeys. If a softkey is only available with a special option, model or
(measurement) mode, this information is delivered in the corresponding softkey
description.
Res BW (span > 0)........................................................................................................51
Demod BW....................................................................................................................52
Meas Time.....................................................................................................................52
AF Filter.........................................................................................................................52
└ High Pass........................................................................................................52
└ Low Pass........................................................................................................ 52
└ Weighting........................................................................................................53
└ None..................................................................................................... 53
└ CCITT................................................................................................... 53
└ CCIR Unweighted.................................................................................54
└ CCIR Weighted.....................................................................................54
└ A Weighted........................................................................................... 54
└ Deemphasis....................................................................................................54
└ All AF Filter Off................................................................................................55
Demod Filter..................................................................................................................55
Res BW (span > 0)
Opens an edit dialog box to enter a value for the resolution bandwidth. The range is
specified in the data sheet.
This softkey is only available for spectrum measurements (see Chapter 2.1.10, "Mea-
surement Result Display", on page 20).
Remote command:
[SENSe:]ADEMod:SPECtrum:BANDwidth|BWIDth[:RESolution] on page 140
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Demod BW
Opens an edit dialog box to enter the demodulation bandwidth of the analog demodulation. The demodulation bandwidth determines the sampling rate for recording the signal to be analyzed. For details on the relation between demodulation bandwidth and
sampling rate refer to Chapter 2.1.3, "Sample Rate, Measurement Time and Trigger
Offset", on page 13.
Remote command:
[SENSe:]BANDwidth|BWIDth:DEMod on page 147
Meas Time
Opens an editor for entering the measurement time of the analog demodulation. For
details on the measurement time values refer to Chapter 2.1.3, "Sample Rate, Mea-
surement Time and Trigger Offset", on page 13.
Note: For FM Stereo measurements (option K7S), the minimum measurement time is
2 ms.
Remote command:
[SENSe:]ADEMod:MTIMe on page 133
AF Filter
The bandwidth of the demodulated signal can be reduced by high pass or low pass filters and also a de-emphasis can be switched on. The selected filters are used for AM,
FM and PM demodulation in common. Individual settings are not possible.
High Pass ← AF Filter
Opens the "High Pass" selection list to switch on a high pass filter with the given limit
to separate the DC component. The filters are indicated by the 3 dB cutoff frequency.
The 50 Hz and 300 Hz filters are designed as 2nd-order Butterworth filter (12 dB/
octave). The 20 Hz filter is designed as 3rd-order Butterworth filter (18 dB/octave).
"None" deactivates the AF high pass filter. Default is "None".
The high pass filters are active in the following demodulation bandwidth range:
20 Hz 100 Hz ≤ demodulation bandwidth ≤ 1.6 MHz
50 Hz: 200 Hz ≤ demodulation bandwidth ≤ 3 MHz
300 Hz: 800 Hz ≤ demodulation bandwidth ≤ 8 MHz
Note: for FM stereo (K7S), all filters are active at all times, as the demodulation range is always 400 kHz
Remote command:
[SENSe:]FILTer<n>:HPASs[:STATe] on page 151
[SENSe:]FILTer<n>:HPASs:FREQuency on page 152
Low Pass ← AF Filter
Opens the "Low Pass" selection list to select the filter type. Relative and absolute low
pass filter are available.
●
Absolute low pass filters:
The 3 kHz, 15 kHz; 23 kHz and 150 kHz softkeys switch on a absolute low pass
filter. The filters are indicated by the 3 dB cutoff frequency. The 3 kHz, 15 kHz and
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
23 kHz filters are designed as 5th-order Butterworth filters (30 dB/octave). The 150
kHz filter is designed as 8th-order Butterworth filter (48 dB/octave).
The absolute low pass filters are active in the following demodulation bandwidth
range:
3 kHz: 6.4 kHz ≤ demodulation bandwidth ≤ 3 MHz
15 kHz: 50 kHz ≤ demodulation bandwidth ≤ 8 MHz
23 kHz 50 kHz ≤ demodulation bandwidth ≤ 18 MHz
150 kHz: 400 kHz ≤ demodulation bandwidth ≤ 8 MHz
Note: for FM stereo (K7S), all filters are active at all times, as the demodulation range is always 400 kHz
●
Relative low pass filters:
The filters (3 dB) can be selected in % of the demodulation bandwidth. The filters
are designed as 5th-order Butterworth filter (30 dB/octave) and active for all
demodulation bandwidths.
●
"None" deactivates the AF low pass filter. Default is "None".
Remote command:
[SENSe:]FILTer<n>:LPASs[:STATe] on page 152
[SENSe:]FILTer<n>:LPASs:FREQuency[:ABSolute] on page 152
[SENSe:]FILTer<n>:LPASs:FREQuency:RELative on page 153
SFM:
[SENSe:]SFM:<ChannelType>:FILTer:LPASs:STATe on page 240
[SENSe:]SFM:<ChannelType>:FILTer:LPASs:FREQuency on page 241
Weighting ← AF Filter
Opens the "Weighting" selection list to select the weighting AF filter.
None ← Weighting ← AF Filter
Deactivates the weighting filter. This is the default setting.
Remote command:
[SENSe:]FILTer<n>:HPASs[:STATe] on page 151
CCITT ← Weighting ← AF Filter
Switches on a CCITT P.53 weighting filter. The weighting filter is active in the following
demodulation bandwidth range:
20 kHz ≤ demodulation bandwidth ≤ 3 MHz
For FM stereo (K7S), the filter is active at all times, as the demodulation range is
always 400 kHz.
Remote command:
[SENSe:]FILTer<n>:CCIT on page 149
SFM:
[SENSe:]SFM:<ChannelType>:FILTer:CCITt:STATe on page 237
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
CCIR Unweighted ← Weighting ← AF Filter
Switches on the CCIR unweighted filter, which is the combination of the 20 Hz highpass and 23 kHz low pass filter. The weighting filter is active in the following demodulation bandwidth range:
50 kHz ≤ demodulation bandwidth ≤ 1.6 MHz
For FM stereo (K7S), the filter is active at all times, as the demodulation range is
always 400 kHz.
Remote command:
[SENSe:]FILTer<n>:CCIR[:UNWeighted][:STATe] on page 150
SFM:
[SENSe:]SFM:<ChannelType>:FILTer:CCIR[:UNWeighted][:STATe]
on page 238
CCIR Weighted ← Weighting ← AF Filter
Switches on the CCIR weighted filter. The weighting filter is active in the following
demodulation bandwidth range:
100 kHz ≤ demodulation bandwidth ≤ 3.0 MHz
For FM stereo (K7S), the filter is active at all times, as the demodulation range is
always 400 kHz.
Remote command:
[SENSe:]FILTer<n>:CCIR:WEIGhted[:STATe] on page 150
SFM:
[SENSe:]SFM:<ChannelType>:FILTer:CCIR:WEIGhted[:STATe] on page 238
A Weighted ← Weighting ← AF Filter
Switches on the A weighted filter. The weighting filter is active in the following demodulation bandwidth range:
100 kHz ≤ demodulation bandwidth ≤ 800 kHz
Remote command:
[SENSe:]FILTer<n>:AWEighted[:STATe] on page 149
SFM:
[SENSe:]SFM:<ChannelType>:FILTer:AWEighted[:STATe] on page 237
Deemphasis ← AF Filter
Opens the "Deemphasis" selection list to switch on a deemphasis with the given time
constant.
The deemphasis is active in the following demodulation bandwidth range:
Note: For FM stereo measurements (K7S), the demodulation bandwidth is always 400
kHz, thus the deemphasis is always active.
25 µs: 25 kHz ≤ demodulation bandwidth ≤ 40 MHz
50 µs: 6.4 kHz ≤ demodulation bandwidth ≤ 18 MHz
75 µs: 6.4 kHz ≤ demodulation bandwidth ≤ 18 MHz
750 µs: 800 Hz ≤ demodulation bandwidth ≤ 3 MHz
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
The following table shows the required demodulation bandwidth for an error less than
0.5 dB up to a maximum AF frequency.
deemphasis 25 µs 50 µs 75 µs 750 µs
max. AF frequency 25 kHz 12 kHz 8 kHz 800 Hz
required demodulation bandwidth ≥ 200 kHz ≥ 100 kHz ≥ 50 kHz ≥ 6.4 kHz
For higher AF frequencies the demodulation bandwidth must be increased.
Remote command:
[SENSe:]FILTer<n>:DEMPhasis[:STATe] on page 150
[SENSe:]FILTer<n>:DEMPhasis:TCONstant on page 151
SFM:
[SENSe:]SFM:<ChannelType>:FILTer:DEMPhasis:STATe on page 239
[SENSe:]SFM:<ChannelType>:FILTer:DEMPhasis:TCONstant on page 239
All AF Filter Off ← AF Filter
Disables all specified AF Filters.
Remote command:
[SENSe:]FILTer<n>:AOFF on page 148
Demod Filter
By default, a flat demodulation filter is used in Analog Demodulation mode. However, in
order to optimize the settling behaviour of the filter, a Gaussian filter can be used
instead.
For details on sample rates, measurement times and trigger offsets for various demodulation bandwidths when using a Gaussian filter, see Chapter 2.1.3, "Sample Rate,
Measurement Time and Trigger Offset", on page 13.
Remote command:
[SENSe:]BANDwidth:DEMod:TYPE on page 148
2.2.7 Softkeys of the Sweep Menu – SWEEP Key (Analog Demodulation)
The following table shows all softkeys available in the "Sweep" menu in "Analog
Demodulation" mode ([SWEEP] key). It is possible that your instrument configuration
does not provide all softkeys. If a softkey is only available with a special option, model
or (measurement) mode, this information is delivered in the corresponding softkey
description.
Continuous Sweep........................................................................................................56
Single Sweep................................................................................................................ 56
Continue Single Sweep.................................................................................................56
Meas Time.....................................................................................................................56
Sweep Count.................................................................................................................56
Sweep Points................................................................................................................ 57
Capture Mode............................................................................................................... 57
Capture Time.................................................................................................................57
Demod Offset................................................................................................................57
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Continuous Sweep
Sets the continuous sweep mode: the sweep takes place continuously according to the
trigger settings. This is the default setting.
The trace averaging is determined by the sweep count value (see the "Sweep Count"
softkey, "Sweep Count" on page 56).
Remote command:
INIT:CONT ON, see INITiate<n>:CONTinuous on page 186
Single Sweep
Sets the single sweep mode: after triggering, starts the number of sweeps that are
defined by using the Sweep Count softkey. The measurement stops after the defined
number of sweeps has been performed.
Remote command:
INIT:CONT OFF, see INITiate<n>:CONTinuous on page 186
Continue Single Sweep
Repeats the number of sweeps set by using the Sweep Count softkey, without deleting
the trace of the last measurement.
This is particularly of interest when using the trace configurations "Average" or "Max
Hold" to take previously recorded measurements into account for averaging/maximum
search.
Remote command:
INITiate<n>:CONMeas on page 185
Meas Time
Opens an editor for entering the measurement time of the analog demodulation. For
details on the measurement time values refer to Chapter 2.1.3, "Sample Rate, Mea-
surement Time and Trigger Offset", on page 13.
Note: For FM Stereo measurements (option K7S), the minimum measurement time is
2 ms.
Remote command:
[SENSe:]ADEMod:MTIMe on page 133
Sweep Count
Opens an edit dialog box to enter the number of sweeps to be performed in the single
sweep mode. Values from 0 to 32767 are allowed. If the values 0 or 1 are set, one
sweep is performed. The sweep count is applied to all the traces in a diagram.
If the trace configurations "Average", "Max Hold" or "Min Hold" are set, the sweep
count value also determines the number of averaging or maximum search procedures.
In continuous sweep mode, if sweep count = 0 (default), averaging is performed over
10 sweeps. For sweep count =1, no averaging, maxhold or minhold operations are performed.
Remote command:
[SENSe:]SWEep:COUNt on page 155
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Sweep Points
Opens an edit dialog box to enter the number of measured values to be collected during one sweep.
●
Entry via rotary knob:
– In the range from 101 to 1001, the sweep points are increased or decreased in
steps of 100 points.
– In the range from 1001 to 32001, the sweep points are increased or decreased
in steps of 1000 points.
●
Entry via keypad:
All values in the defined range can be set.
The default value is 691 sweep points.
Remote command:
[SENSe:]SWEep:POINts on page 157
Capture Mode
This command defines how the size of the the capture buffer is defined for analog
demodulation.
In Auto mode, the size of the capture buffer is identical to the defined Meas Time.
In Manual mode, the size of the capture buffer can be defined manually (Capture
Time).
Remote command:
[SENSe:]ADEMod:CAPTure[:MODE] on page 121
Capture Time
Defines the size of the capture buffer for analog demodulation if Capture Mode is set to
"Manual".
The maximum capture buffer size is 7.5 MSamples; the capture time depends on the
defined DBW. For a DBW of 25 kHz, for example, the maximum capture time is 240 s.
Remote command:
[SENSe:]ADEMod:CAPTure:TIME on page 120
Demod Offset
This command defines an offset of the defined measurement time from the beginning
of the capture buffer for analog demodulation if Capture Mode is set to "Manual". All
results are recalculated automatically based on the new data.
Remote command:
[SENSe:]ADEMod:CAPTure:DOFFset on page 120
2.2.8 Softkeys of the Trace Menu – TRACE key (Analog Demodulation)
The [TRACE] key is used to configure the data acquisition for measurement and the
analysis of the measurement data.
Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Selects the active trace (1, 2, 3, 4, 5, 6) and opens the "Trace Mode" submenu for the
selected trace.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
The default setting is trace 1 in the overwrite mode (see "Clear Write" on page 17), the
other traces are switched off (see "Blank" on page 19). For details see Chapter 2.1.7,
"Trace Mode Overview", on page 17.
Tip: To configure several traces in one step, press the Trace Wizard softkey to open a
trace configuration dialog. See also Chapter 2.1.6, "Configuring Traces", on page 16.
Remote command:
Selected via numeric suffix of:TRACe<1...6> commands
Clear Write ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Overwrite mode: the trace is overwritten by each sweep. This is the default setting.
All available detectors can be selected.
Remote command:
DISP:TRAC:MODE WRIT, see DISPlay[:WINDow<n>]:TRACe<t>:MODE
on page 110
Max Hold ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
The maximum value is determined over several sweeps and displayed. The
R&S FSVA/FSV saves the sweep result in the trace memory only if the new value is
greater than the previous one.
The detector is automatically set to "Positive Peak".
This mode is especially useful with modulated or pulsed signals. The signal spectrum
is filled up upon each sweep until all signal components are detected in a kind of envelope.
This mode is not available for statistics measurements.
Remote command:
DISP:TRAC:MODE MAXH, see DISPlay[:WINDow<n>]:TRACe<t>:MODE
on page 110
Min Hold ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
The minimum value is determined from several measurements and displayed. The
R&S FSVA/FSV saves the smallest of the previously stored/currently measured values
in the trace memory.
The detector is automatically set to "Negative Peak".
This mode is useful e.g. for making an unmodulated carrier in a composite signal visi-
ble. Noise, interference signals or modulated signals are suppressed whereas a CW
signal is recognized by its constant level.
This mode is not available for statistics measurements.
Remote command:
DISP:TRAC:MODE MINH, see DISPlay[:WINDow<n>]:TRACe<t>:MODE
on page 110
Average ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
The average is formed over several sweeps. The Sweep Count determines the number
of averaging procedures.
All available detectors can be selected. If the detector is automatically selected, the
sample detector is used (see Chapter 2.1.8, "Detector Overview", on page 19).
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
This mode is not available for statistics measurements.
Remote command:
DISP:TRAC:MODE AVER, see DISPlay[:WINDow<n>]:TRACe<t>:MODE
on page 110
View ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
The current contents of the trace memory are frozen and displayed.
Note: If a trace is frozen, the instrument settings, apart from level range and reference
level (see below), can be changed without impact on the displayed trace. The fact that
the displayed trace no longer matches the current instrument setting is indicated by the
icon on the tab label.
If the level range or reference level is changed, the R&S FSVA/FSV automatically
adapts the measured data to the changed display range. This allows an amplitude
zoom to be made after the measurement in order to show details of the trace.
Remote command:
DISP:TRAC:MODE VIEW, see DISPlay[:WINDow<n>]:TRACe<t>:MODE
on page 110
Blank ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Hides the selected trace.
Remote command:
DISP:TRAC OFF, see DISPlay[:WINDow<n>]:TRACe<t>[:STATe] on page 111
Detector ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Opens a submenu to select the detector manually, or activate automatic selection.
If a detector was selected manually, the "MAN" indicator is highlighted.
If "AUTO" is selected, the detector is defined automatically, depending on the selected
trace mode:
Trace mode Detector
Clear Write Auto Peak
Max Hold Positive Peak
Min Hold Negative Peak
Average Sample Peak
View –
Blank –
For details see Chapter 2.1.8, "Detector Overview", on page 19.
Note: In Analog Demod mode, if AUTO is selected, the Auto Peak detector is used
regardless of the trace mode. However, if Noise or Phase Noise measurements are
performed in Analog Demod mode, the Sample Detector is used.
Auto Select ← Detector ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Selects the best detector for the selected trace and filter mode. This is the default setting.
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Softkeys of the Analog Demodulation option
For details see also Chapter 2.1.8, "Detector Overview", on page 19.
Trace mode Detector
Clear/Write Auto Peak
Average Sample
Max Hold Max Peak
Min Hold Min Peak
Remote command:
[SENSe:][WINDow:]DETector<trace>[:FUNCtion]:AUTO on page 159
Auto Peak ← Detector ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Selects the "Auto Peak" detector.
For details see Chapter 2.1.8, "Detector Overview", on page 19.
Remote command:
DET APE, see [SENSe:][WINDow:]DETector<trace>[:FUNCtion]
on page 159
Positive Peak ← Detector ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Selects the "Positive Peak" detector.
For details see Chapter 2.1.8, "Detector Overview", on page 19.
Remote command:
DET POS, see [SENSe:][WINDow:]DETector<trace>[:FUNCtion]
on page 159
Negative Peak ← Detector ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Selects the "Negative Peak" detector.
For details see Chapter 2.1.8, "Detector Overview", on page 19.
Remote command:
DET NEG, see [SENSe:][WINDow:]DETector<trace>[:FUNCtion]
on page 159
Sample ← Detector ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Selects the "Sample" detector.
For details see Chapter 2.1.8, "Detector Overview", on page 19.
Remote command:
DET SAMP, see [SENSe:][WINDow:]DETector<trace>[:FUNCtion]
on page 159
RMS ← Detector ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Selects the "RMS" detector.
For details see Chapter 2.1.8, "Detector Overview", on page 19.
Remote command:
DET RMS, see [SENSe:][WINDow:]DETector<trace>[:FUNCtion]
on page 159
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Softkeys of the Analog Demodulation option
Average ← Detector ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Selects the "Average" detector.
For details see Chapter 2.1.8, "Detector Overview", on page 19.
Remote command:
DET AVER, see [SENSe:][WINDow:]DETector<trace>[:FUNCtion]
on page 159
Quasipeak ← Detector ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Selects the "Quasipeak" detector.
The quasipeak detector is available with option R&S FSV-K54.
For details see Chapter 2.1.8, "Detector Overview", on page 19.
Remote command:
DET QPE, see [SENSe:][WINDow:]DETector<trace>[:FUNCtion]
on page 159
CISPR Average ← Detector ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Selects the "CISPR Average" detector.
The CISPR Average detector is available with option R&S FSV-K54.
For details see Chapter 2.1.8, "Detector Overview", on page 19.
Remote command:
DET CAV, see [SENSe:][WINDow:]DETector<trace>[:FUNCtion]
on page 159
RMS Average ← Detector ← Trace 1/Trace 2/Trace 3/Trace 4/Trace 5/Trace 6
Selects the "RMS Average" detector.
The quasipeak detector is available with option R&S FSV-K54.
For details see Chapter 2.1.8, "Detector Overview", on page 19.
Remote command:
DET CRMS, see [SENSe:][WINDow:]DETector<trace>[:FUNCtion]
on page 159
More Traces
Opens a submenu to select one of the traces not currently displayed in the main menu.
Trace Wizard
Opens the "Trace Wizard" dialog. See Chapter 2.1.6, "Configuring Traces",
on page 16.
Average Mode
Opens a submenu to select the averaging method for the average trace mode. The following methods are available:
●
Lin
●
Log
●
Power
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Softkeys of the Analog Demodulation option
Logarithmic averaging is recommended to display signals with a low signal to noise
ratio. While positive peak values are decreased in logarithmic averaging due to the
characteristics involved, it is also true that negative peaks are increased relative to the
average value. If the distorted amplitude distribution is averaged, a value is obtained
that is smaller than the actual average value. The difference is -2.5 dB.
This low average value is usually corrected in noise power measurements by a 2.5 dB
factor. Therefore the R&S FSVA/FSV offers the selection of linear averaging. The trace
data is converted to linear values prior to averaging, then averaged and reconverted to
logarithmic values. After these conversions the data is displayed on the screen. The
average value is always correctly displayed irrespective of the signal characteristic.
In case of stationary sinusoidal signals both logarithmic and linear averaging has the
same results.
Lin ← Average Mode
Activates linear averaging. Linear averaging means that the power level values are
converted into linear units prior to averaging. After the averaging, the data is converted
back into its original unit.
This softkey takes effect if the grid is set to a linear scale (see "Range Linear" softkey,
"Range Linear %" on page 45). In this case, the averaging is done in two ways
(depending on the set unit – see "Unit" softkey):
●
The unit is set to either W or dBm: the data is converted into W prior to averaging,
i.e. averaging is done in W.
●
The unit is set to either V, A, dBmV, dBµV, dBµA or dBpW: the data is converted
into V prior to averaging, i.e. averaging is done in V.
Remote command:
SENS:AVER1:TYPE LIN, see [SENSe:]AVERage<n>:TYPE on page 158
Log ← Average Mode
Activates logarithmic averaging.
This averaging method only takes effect if the grid is set to a logarithmic scale
("Range" softkey), i.e. the unit of the data is dBm. In this case the values are averaged
in dBm. Otherwise (i.e. with linear scaling), the behavior is the same as with linear
averaging (see Lin softkey). For further information on logarithmic scaling refer to the
"Average Mode" softkey.
Remote command:
SENS:AVER1:TYPE VID, see [SENSe:]AVERage<n>:TYPE on page 158
Power ← Average Mode
Activates linear power averaging.
The power level values are converted into unit Watt prior to averaging. After the aver-
aging, the data is converted back into its original unit.
Unlike the linear mode, the averaging is always done in W.
Remote command:
SENS:AVER1:TYPE POW, see [SENSe:]AVERage<n>:TYPE on page 158
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Softkeys of the Analog Demodulation option
ASCII Trace Export
Opens the "ASCII Trace Export Name" dialog box and saves the active trace in ASCII
format to the specified file and directory.
Tip: You can export a single trace ("ASCII Trace Export Trace (x)" softkey) or all traces
at the same time ("ASCII Trace Export All Traces"). When you use single trace export,
the R&S FSVA/FSV exports the currently selected trace (indicated by the softkey
label). Note that the exported ASCII file has a slightly different structure compared to a
single trace export.
The file consists of the header containing important scaling parameters and a data section containing the trace data. For details on an ASCII file see Chapter 2.1.11, "ASCII
File Export Format", on page 23.
This format can be processed by spreadsheet calculation programs, e.g. MS-Excel. It
is necessary to define ';' as a separator for the data import. Different language versions
of evaluation programs may require a different handling of the decimal point. It is therefore possible to select between separators '.' (decimal point) and ',' (comma) using the
"Decim Sep" softkey (see "Decim Sep" on page 63).
Remote command:
FORMat:DEXPort:TRACes on page 161
FORMat:DEXPort:DSEParator on page 185
MMEMory:STORe<n>:TRACe on page 183
Decim Sep
Selects the decimal separator with floating-point numerals for the ASCII Trace export
to support evaluation programs (e.g. MS-Excel) in different languages. The values '.'
(decimal point) and ',' (comma) can be set.
Remote command:
FORMat:DEXPort:DSEParator on page 185
2.2.9 Softkeys of the Trigger Menu – TRIG Key (Analog Demodulation)
The following table shows all softkeys available in the "Trigger" menu in "Analog
Demodulation" mode (TRIG key). It is possible that your instrument configuration does
not provide all softkeys. If a softkey is only available with a special option, model or
(measurement) mode, this information is delivered in the corresponding softkey
description.
Trigger Source...............................................................................................................64
└ Free Run.........................................................................................................64
└ External...........................................................................................................64
└ RF Power........................................................................................................64
└ IF Power..........................................................................................................65
└ FM...................................................................................................................65
└ AM...................................................................................................................65
└ PM...................................................................................................................65
└ RF................................................................................................................... 65
└ Time................................................................................................................66
Trigger Level................................................................................................................. 66
Trigger Polarity..............................................................................................................66
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Softkeys of the Analog Demodulation option
Trigger Offset................................................................................................................ 66
Repetition Interval......................................................................................................... 67
Trigger Hysteresis.........................................................................................................67
Trigger Holdoff...............................................................................................................67
Trigger Source
Opens the "Trg Source" submenu to select the trigger source.
In "Analog Demodulation" mode, the next measurement is triggered if the selected
input signal exceeds the threshold specified using the "Trigger Level" softkey (see
"Trigger Level" on page 66). A periodic signal modulated onto the carrier frequency
can be displayed in this way. It is recommended that the measurement time covers at
least five periods of the audio signal.
For triggering with AM, FM, PM or RF trigger sources to be successful, the measurement time must cover at least 5 periods of the audio signal.
Remote command:
TRIGger<n>[:SEQuence]:SOURce on page 167
Free Run ← Trigger Source
The start of a sweep is not triggered. Once a measurement is completed, another is
started immediately.
Remote command:
TRIG:SOUR IMM, see TRIGger<n>[:SEQuence]:SOURce on page 167
External ← Trigger Source
Defines triggering via a TTL signal at the "EXT TRIG/GATE IN" input connector on the
rear panel.
Remote command:
TRIG:SOUR EXT, see TRIGger<n>[:SEQuence]:SOURce on page 167
RF Power ← Trigger Source
Defines triggering of the measurement via signals which are outside the measurement
channel.
This trigger mode is available with detector board 1307.9554.02 Rev 05.00 or higher. It
is not available for input from the R&S Digital I/Q Interface (option R&S FSV-B17). If
RF Power trigger mode is selected and digital baseband input is activated, the trigger
mode is automatically switched to "Free Run".
RF power triggers are not available together with the bandwidth extension option
R&S FSV-B160.
In RF Power trigger mode the instrument uses a level detector at the first intermediate
frequency. The detector threshold can be selected in a range between - 50 dBm and
-10 dBm at the input mixer. The resulting trigger level at the RF input lies within the
following range:
(-24dBm + RF Att ) ≤ Triggerlevel ≤ (+5dBm + RF Att), max. 30 dBm, for Preamp =
OFF
(-40dBm + RF Att ) ≤ Triggerlevel ≤ (-11dBm + RF Att), max. 30 dBm, for Preamp = ON
with
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Softkeys of the Analog Demodulation option
500 MHz ≤ InputSignal ≤ 7 GHz
Note: If input values outside of this range occur (e.g. for fullspan measurements), the
sweep may be aborted and a message indicating the allowed input values is displayed
in the status bar.
Remote command:
TRIG:SOUR RFP, see TRIGger<n>[:SEQuence]:SOURce on page 167
SWE:EGAT:SOUR RFP for gated triggering, see [SENSe:]SWEep:EGATe:SOURce
on page 156
IF Power ← Trigger Source
Defines triggering of the measurement via signals which are outside the measurement
channel.
For this purpose, the R&S FSVA/FSV uses a level detector at the second intermediate
frequency.
The available trigger levels depend on the RF attenuation and preamplification. A reference level offset, if defined, is also considered.
For details on available trigger levels and trigger bandwidths see the data sheet.
The bandwidth at the intermediate frequency is 20 MHz. The R&S FSVA/FSV is trig-
gered as soon as the trigger level is exceeded within a 10 MHz range around the
selected frequency (= start frequency in the frequency sweep).
Thus, the measurement of spurious emissions, e.g. for pulsed carriers, is possible
even if the carrier lies outside the selected frequency span.
IF power triggers are not available together with the bandwidth extension option
R&S FSV-B160.
Remote command:
TRIG:SOUR IFP, see TRIGger<n>[:SEQuence]:SOURce on page 167
SWE:EGAT:SOUR IFP for gated triggering, see [SENSe:]SWEep:EGATe:SOURce
on page 156
FM ← Trigger Source
Triggers on the specified frequency level of the FM signal.
Remote command:
TRIG:SEQ:SOUR FM, see TRIGger<n>[:SEQuence]:SOURce on page 167
AM ← Trigger Source
Triggers on the specified modulation depth of the AM signal.
Remote command:
TRIG:SEQ:SOUR AMR, see TRIGger<n>[:SEQuence]:SOURce on page 167
PM ← Trigger Source
Triggers on the specified phase of the PM signal.
Remote command:
TRIG:SEQ:SOUR PM, see TRIGger<n>[:SEQuence]:SOURce on page 167
RF ← Trigger Source
Triggers on the specified level of the RF signal.
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Softkeys of the Analog Demodulation option
Note: The RF offline trigger is based on the I/Q data of the demodulated signal, limited to the demodulation bandwidth. For a wider trigger bandwidth and triggering based
on the currently measured RF input signal, use the more powerful RF Power trigger.
Remote command:
TRIG:SEQ:SOUR AM, see TRIGger<n>[:SEQuence]:SOURce on page 167
Time ← Trigger Source
Opens an edit dialog box to define a repetition interval in which the measurement is
triggered. The shortest interval is 2 ms.
Remote command:
TRIG:SOUR TIMETRIGger<n>[:SEQuence]:SOURce on page 167
Trigger Level
Defines the trigger level as a numeric value.
In the trigger mode "Time", this softkey is not available.
Remote command:
TRIGger<n>[:SEQuence]:LEVel:IFPower on page 165
For digital input via the R&S Digital I/Q Interface, R&S FSV-B17:
TRIGger<n>[:SEQuence]:LEVel:BBPower on page 165
Trigger Polarity
Sets the polarity of the trigger source.
The sweep starts after a positive or negative edge of the trigger signal. The default set-
ting is "Pos". The setting applies to all modes with the exception of the "Free Run" and
"Time" mode.
"Pos"
Level triggering: the sweep is stopped by the logic "0" signal and
restarted by the logical "1" signal after the gate delay time has
elapsed.
"Neg"
Edge triggering: the sweep is continued on a "0" to "1" transition for
the gate length duration after the gate delay time has elapsed.
Remote command:
TRIGger<n>[:SEQuence]:SLOPe on page 167
[SENSe:]SWEep:EGATe:POLarity on page 156
Trigger Offset
Opens an edit dialog box to enter the time offset between the trigger signal and the
start of the sweep. The time may be entered in multiples of 125 ns in the range -13 s to
13 s (default 0 s).
offset > 0: start of the sweep is delayed
offset < 0: sweep starts earlier (pre-trigger)
only possible for span = 0 and gated trigger switched off
not possible if RMS or average detector activated
maximum allowed range and the maximum resolution limited by the
sweep time:
●
●
range
resolution
= – 499/500 x sweep time
max
= sweep time/500
max
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Softkeys of the Analog Demodulation option
In the trigger modeTime, this softkey is not available.
For details on the relation between demodulation bandwidth and trigger offset refer to
Chapter 2.1.3, "Sample Rate, Measurement Time and Trigger Offset", on page 13.
Remote command:
TRIGger<n>[:SEQuence]:HOLDoff[:TIME] on page 163
Repetition Interval
Opens an edit dialog box to define a repetition interval in which the measurement is
triggered. The shortest interval is 2 ms. This softkey is only available if the trigger
source "Time" is selected (see "Time" on page 66).
Remote command:
TRIGger<n>[:SEQuence]:TIME:RINTerval on page 166
Trigger Hysteresis
Defines the value for the trigger hysteresis for "IF power" or "RF Power" trigger sources. The hysteresis in dB is the value the input signal must stay below the power trigger level in order to allow a trigger to start the measurement. The range of the value is
between 3 dB and 50 dB with a step width of 1 dB.
Remote command:
TRIGger<n>[:SEQuence]:IFPower:HYSTeresis on page 164
Trigger Holdoff
Defines the value for the trigger holdoff. The holdoff value in s is the time which must
pass before triggering, in case another trigger event happens.
This softkey is only available if "IFPower", "RF Power" or "BBPower" is the selected
trigger source.
Remote command:
TRIGger<n>[:SEQuence]:IFPower:HOLDoff on page 163
For digital input via the R&S Digital I/Q Interface, R&S FSV-B17:
TRIGger<n>[:SEQuence]:BBPower:HOLDoff on page 163
2.2.10 Softkeys of the Marker Menu – MKR key (Analog Demodulation)
The following table shows all softkeys available in the "Marker" menu in "Analog
Demodulation" mode (MKR key). It is possible that your instrument configuration does
not provide all softkeys. If a softkey is only available with a special option, model or
(measurement) mode, this information is provided in the corresponding softkey
description.
Marker 1 / Marker 2 / Marker 3 / … Marker 16,/ Marker Norm/Delta............................ 68
More Markers................................................................................................................68
Marker to Trace.............................................................................................................68
Marker Wizard...............................................................................................................68
└ All Marker Off..................................................................................................69
All Marker Off................................................................................................................ 69
Marker Table................................................................................................................. 70
Marker Stepsize............................................................................................................ 70
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Softkeys of the Analog Demodulation option
└ Stepsize Standard...........................................................................................70
└ Stepsize Sweep Points................................................................................... 70
Marker Zoom (span > 0)................................................................................................71
Link Mkr1 and Delta1.................................................................................................... 71
Link Time Marker...........................................................................................................71
Link AF Spectrum Marker............................................................................................. 71
Marker 1 / Marker 2 / Marker 3 / … Marker 16,/ Marker Norm/Delta
The "Marker X" softkey activates the corresponding marker and opens an edit dialog
box to enter a value for the marker to be set to. Pressing the softkey again deactivates
the selected marker.
If a marker value is changed using the rotary knob, the step size is defined via the
Stepsize Standard or Stepsize Sweep Points softkeys.
Marker 1 is always the reference marker for relative measurements. If activated, markers 2 to 16 are delta markers that refer to marker 1. These markers can be converted
into markers with absolute value display using the "Marker Norm/Delta" softkey. If
marker 1 is the active marker, pressing the "Marker Norm/Delta" softkey switches on
an additional delta marker.
Remote command:
CALCulate<n>:MARKer<m>[:STATe] on page 104
CALCulate<n>:MARKer<m>:X on page 105
CALCulate<n>:MARKer<m>:Y? on page 107
CALCulate<n>:DELTamarker<m>[:STATe] on page 174
CALCulate<n>:DELTamarker<m>:X on page 175
CALCulate<n>:DELTamarker<m>:X:RELative? on page 175
CALCulate<n>:DELTamarker<m>:Y? on page 176
More Markers
Opens a sub-menu to select one of up to 16 available markers. See "Marker 1 / Marker
2 / Marker 3 / … Marker 16,/ Marker Norm/Delta" on page 68.
Marker to Trace
Opens an edit dialog box to enter the number of the trace on which the marker is to be
placed.
Remote command:
CALCulate<n>:MARKer<m>:TRACe on page 105
Marker Wizard
Opens a configuration dialog for markers. The marker wizard allows you to configure
and activate up to 16 different markers in one dialog. The first 8 markers are displayed
on one tab, the last 8 markers on a second tab. For each marker, the following settings
are available:
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Softkeys of the Analog Demodulation option
"Selected/
State"
"Normal/Delta"
"Ref. Marker"
"Trace"
Remote command:
CALCulate<n>:MARKer<m>[:STATe] on page 104
CALCulate<n>:DELTamarker<m>[:STATe] on page 174
CALCulate<n>:MARKer<m>:TRACe on page 105
CALCulate<n>:DELTamarker<m>:TRACe on page 174
CALCulate<n>:DELTamarker<m>:MREF on page 174
All Marker Off ← Marker Wizard
Switches all markers off. It also switches off all functions and displays that are associated with the markers/delta markers.
Remote command:
CALCulate<n>:MARKer<m>:AOFF on page 98
When you press the "Selected" or "State" field the corresponding
marker is activated and the marker row is highlighted.
Defines whether it is a normal marker or delta marker. For delta markers you can define a reference marker.
Reference marker for delta markers. The marker values for the delta
marker are indicated relative to the specified reference marker.
The reference marker can either be another active marker, or a fixed
reference marker ("FXD", see "Ref Fixed" on page 72).
Trace for which the marker is to be set.
All Marker Off
Switches all markers off. It also switches off all functions and displays that are associated with the markers/delta markers.
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Softkeys of the Analog Demodulation option
Remote command:
CALCulate<n>:MARKer<m>:AOFF on page 98
Marker Table
Defines how the marker information is displayed.
For more information, see "Displayed Marker Information" in the description of the
base unit.
"On"
"Off"
"Aut"
Remote command:
DISPlay:MTABle on page 109
Marker Stepsize
Opens a submenu to set the step size of all markers and delta markers.
Default value for the marker step size is Stepsize Sweep Points.
Displays the marker information in a table in a separate area beneath
the diagram.
Displays the marker information within the diagram area.
(Default) The marker table is displayed automatically if more than 2
markers are active, and removed if only 1 or 2 markers are active.
This helps keep the information in the display clear.
Stepsize Standard ← Marker Stepsize
Moves the marker or delta marker from one measurement point to the next, if the
marker or delta marker value is changed via the rotary knob ( "Marker 1 / Marker 2 /
Marker 3 / … Marker 16,/ Marker Norm/Delta" softkeys, see "Marker 1 / Marker 2 /
Marker 3 / … Marker 16,/ Marker Norm/Delta" on page 68). If more measured values
than measurement points exist, it is not possible to read out all measured values. In
this case, use the Stepsize Sweep Points softkey.
Remote command:
CALC:MARK:X:SSIZ STAN (see CALCulate<n>:MARKer<m>:X:SSIZe
on page 107)
Stepsize Sweep Points ← Marker Stepsize
Moves the marker or delta marker from one measured value to the next, if the marker
or delta marker value is changed via the rotary knob ( "Marker 1 / Marker 2 / Marker 3 /
… Marker 16,/ Marker Norm/Delta" softkeys, see "Marker 1 / Marker 2 / Marker 3 / …
Marker 16,/ Marker Norm/Delta" on page 68). If more measured values than measure-
ment points exist, every single measured value is accessible and its value is displayed
in the marker field.
The number of measured values is defined in the ""Sweep"" menu via the Sweep
Points softkey.
This functionality is available for all base unit measurements with the exception of statistics ( "APD" and "CCDF" softkeys in the "Measurement" menu).
Remote command:
CALC:MARK:X:SSIZ POIN (see CALCulate<n>:MARKer<m>:X:SSIZe
on page 107)
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Softkeys of the Analog Demodulation option
Marker Zoom (span > 0)
Opens an edit dialog box to enter a display range for the zoom. The area around
marker 1 is expanded accordingly and more details of the result can be seen. If no
marker is activated, marker 1 is switched on and set on the largest signal.
The following sweep is stopped at the position of the reference marker. The frequency
of the signal is counted and the measured frequency becomes the new center frequency. The zoomed display range is then configured and the new settings are used
by the R&S FSVA/FSV for further measurements.
If the display has not yet been switched to the new frequency display range and you
press the softkey, the procedure is aborted. If an instrument setting is changed during
this operation, the procedure is also aborted.
Remote command:
CALCulate<n>:MARKer<m>:FUNCtion:ZOOM on page 95
Link Mkr1 and Delta1
The delta marker 1 is linked to marker 1, so if the x-axis value of the marker 1 is
changed, the delta marker 1 will follow on the same x-position. The link is off by
default.
You can set the two markers on different traces to measure the difference (e.g.
between a max hold trace and a min hold trace or between a measurement and a reference trace).
Remote command:
CALCulate<n>:DELTamarker<m>:LINK on page 173
Link Time Marker
Links the markers in all time domain diagrams.
Remote command:
CALCulate<n>:MARKer<m>:LINK on page 96
Link AF Spectrum Marker
Links the markers in all AF spectrum displays.
Remote command:
CALCulate<n>:MARKer<m>:LINK on page 96
2.2.11 Softkeys of the Marker Function Menu – MKR FUNC Key (Analog Demodulation)
The following table shows all softkeys available in the "Marker Function" menu.
Select Marker (No)........................................................................................................72
Phase Noise..................................................................................................................72
Ref Fixed.......................................................................................................................72
└ Ref. Fixed On/Off............................................................................................72
└ Ref Point Level................................................................................................72
└ Ref Point Frequency (span > 0)/Ref Point Time (zero span)..........................73
└ Peak Search................................................................................................... 73
n dB down..................................................................................................................... 73
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Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Marker Peak List........................................................................................................... 74
└ Peak List On/Off..............................................................................................74
└ Sort Mode Freq/Lvl......................................................................................... 74
└ Max Peak Count............................................................................................. 74
└ Peak Excursion...............................................................................................74
└ Left Limit......................................................................................................... 74
└ Right Limit.......................................................................................................75
└ Threshold........................................................................................................75
└ ASCII File Export............................................................................................ 75
└ Decim Sep...................................................................................................... 75
└ Marker Number...............................................................................................75
Select Marker (No)
Opens a submenu to select one of 16 markers and define whether the marker is a normal or a delta marker (see "Marker 1 / Marker 2 / Marker 3 / … Marker 16,/ Marker
Norm/Delta" on page 68). "(No)" indicates the number of the currently active marker.
See "Marker 1 / Marker 2 / Marker 3 / … Marker 16,/ Marker Norm/Delta" on page 68.
Phase Noise
For AF spectrum displays, the Phase Noise marker is a normal marker with a special
display value.
Remote command:
CALCulate<n>:MARKer<m>:FUNCtion:PNOise:RESult? on page 93
CALCulate<n>:MARKer<m>:FUNCtion:PNOise:RESult? on page 93
Ref Fixed
Opens a submenu to set all values of a reference point. Instead of using the current
values of the reference marker (marker 1) as reference point for the delta markers,
level and frequency or time are set to fixed values and used as reference point.
Ref. Fixed On/Off ← Ref Fixed
Switches the relative measurement to a fixed reference value on or off. The level and
frequency or time values of marker 1 immediately become the reference point, but can
be altered using the corresponding softkeys ("Ref Point Level" on page 72, "Ref
Point Frequency (span > 0)/Ref Point Time (zero span)" on page 73 and "Peak
Search" on page 73).
When set to ON, all delta markers which previously referenced marker 1 are automatically set to reference the fixed marker.
The reference marker assignment can be changed using the "Marker Wizard" (see
"Marker Wizard" on page 68).
Remote command:
CALCulate<n>:DELTamarker<m>:FUNCtion:FIXed[:STATe] on page 172
Ref Point Level ← Ref Fixed
Opens an edit dialog box to enter a reference level value. All relative level values of the
delta markers refer to this reference level.
Remote command:
CALCulate<n>:DELTamarker<m>:FUNCtion:FIXed:RPOint:Y on page 171
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Ref Point Frequency (span > 0)/Ref Point Time (zero span) ← Ref Fixed
Opens an edit dialog box to enter a frequency reference or time value. All relative frequency or time values of the delta markers refer to this frequency reference. For phase
noise measurement, input of reference time is not possible.
Remote command:
CALCulate<n>:DELTamarker<m>:FUNCtion:FIXed:RPOint:X on page 171
Peak Search ← Ref Fixed
Sets the maximum value of the selected trace as the reference point.
Remote command:
CALCulate<n>:DELTamarker<m>:FUNCtion:FIXed:RPOint:MAXimum[:PEAK]
on page 170
n dB down
Opens an edit dialog box to enter a value to define the level spacing of the two temporary markers to the right and left of marker 1 (default setting: 3 dB). Activates the temporary markers T1 and T2. The values of the temporary markers (T1, T2) and the
entered value (ndB) are displayed in the marker field.
If a positive value is entered, the markers T1 and T2 are placed below the active reference marker. If a negative value (e.g. for notch filter measurements) is entered, the
markers T1 and T2 are placed above the active reference marker. Marker T1 is placed
to the left and marker T2 to the right of the reference marker.
In the marker table, the following results are displayed:
Span setting Parameter name Description
span > 0 Bw frequency spacing of the two temporary markers
span = 0 PWid pulse width between the two temporary markers
Q factor quality of the displayed bandwidth value (Bw)
If it is not possible to form the frequency spacing for the n dB value (e.g. because of
noise display), dashes instead of a measured value are displayed.
Remote command:
CALC:MARK1:FUNC:NDBD:STAT ON, see CALCulate<n>:MARKer<m>:FUNCtion:
NDBDown:STATe on page 103
CALC:MARK1:FUNC:NDBD 3dB, see CALCulate<n>:MARKer<m>:FUNCtion:
NDBDown on page 100
CALC:MARK1:FUNC:NDBD:RES? , see CALCulate<n>:MARKer<m>:FUNCtion:
NDBDown:RESult? on page 102
CALC:MARK:FUNC:NDBD:QFAC?, see CALCulate<n>:MARKer<m>:FUNCtion:
NDBDown:QFACtor on page 102
CALC:MARK1:FUNC:NDBD:FREQ? (span > 0), see CALCulate<n>:MARKer<m>:
FUNCtion:NDBDown:FREQuency? on page 101
CALC:MARK1:FUNC:NDBD:TIME? (span = 0), see CALCulate<n>:MARKer<m>:
FUNCtion:NDBDown:TIME? on page 103
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Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Marker Peak List
Opens the "Peak List" submenu to define criteria for the sort order and the contents of
the peak list. For each listed peak the frequency ("Stimulus") and level ("Response")
values are given. In addition, the peaks are indicated in the trace display. A maximum
of 50 entries are listed.
Remote command:
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:COUNt? on page 98
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:X on page 99
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:Y? on page 100
Peak List On/Off ← Marker Peak List
Activates/deactivates the marker peak list. If activated, the peak list is displayed and
the peaks are indicated in the trace display.
Remote command:
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:STAT on page 95
Sort Mode Freq/Lvl ← Marker Peak List
Defines the criteria for sorting:
"Freq"
"Lvl"
Remote command:
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:SORT on page 99
sorting in ascending order of frequency values (span > 0) or time values (span = 0)
sorting in ascending order of the level
Max Peak Count ← Marker Peak List
Defines the maximum number of peaks to be determined and displayed.
Remote command:
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:LIST:SIZE on page 94
Peak Excursion ← Marker Peak List
Opens an edit dialog box for level measurements to enter the minimum level value by
which a signal must rise or fall so that it will be identified as a maximum or a minimum
by the search functions. Entries from 0 dB to 80 dB are allowed; the resolution is 0.1
dB. The default setting for the peak excursion is 6 dB.
For more information see "Specifying the suitable peak excursion" and "Effect of different peak excursion settings".
Remote command:
CALCulate<n>:MARKer<m>:PEXCursion on page 104
Left Limit ← Marker Peak List
Opens an edit dialog box to enter a value for the lower limit (left vertical line: S1 for
span > 0; T1 for zero span). The search is performed between the lines of the left and
right limit (see also Right Limit softkey).
Remote command:
CALCulate<n>:MARKer<m>:X:SLIMits:LEFT on page 106
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Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Right Limit ← Marker Peak List
Opens an edit dialog box to enter a value for the upper limit (left vertical line: S2 for
span > 0; T2 for zero span). The search is performed between the lines of the left and
right limit (see also Left Limit softkey). If no value is set, the upper limit corresponds to
the stop frequency.
Remote command:
CALCulate<n>:MARKer<m>:X:SLIMits:RIGHT on page 106
Threshold ← Marker Peak List
Opens an edit dialog box to define the threshold line. The threshold line represents the
lower level limit for a "Peak" search and the upper level limit for a "Min" search.
Remote command:
CALCulate<n>:THReshold:STATe on page 97
CALCulate<n>:THReshold on page 96
ASCII File Export ← Marker Peak List
Opens the "ASCII File Export Name" dialog box and saves the active peak list in ASCII
format to the specified file and directory.
The file consists of the header containing important scaling parameters and a data section containing the marker data. For details on an ASCII file see Chapter 2.1.11, "ASCII
File Export Format", on page 23.
This format can be processed by spreadsheet calculation programs, e.g. MS-Excel. It
is necessary to define ';' as a separator for the data import. Different language versions
of evaluation programs may require a different handling of the decimal point. It is therefore possible to select between separators '.' (decimal point) and ',' (comma) using the
"Decim Sep" softkey (see "Decim Sep" on page 63).
Remote command:
FORMat:DEXPort:DSEParator on page 185
MMEMory:STORe<n>:LIST on page 183
Decim Sep ← Marker Peak List
Selects the decimal separator with floating-point numerals for the ASCII Trace export
to support evaluation programs (e.g. MS-Excel) in different languages. The values '.'
(decimal point) and ',' (comma) can be set.
Remote command:
FORMat:DEXPort:DSEParator on page 185
Marker Number ← Marker Peak List
If enabled, the determined peaks are indicated by their corresponding marker number
in the trace display.
Remote command:
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:ANNotation:LABel:STATe
on page 94
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2.2.12 Softkeys of the Input/Output Menu
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
The following table shows all softkeys available in the "Input/Output" menu. It is possible that your instrument configuration does not provide all softkeys. If a softkey is only
available with a special option, model or (measurement) mode, this information is provided in the corresponding softkey description.
Input (AC/DC)................................................................................................................76
Noise Source.................................................................................................................76
Video Output................................................................................................................. 76
Tracking Generator....................................................................................................... 77
Power Sensor................................................................................................................77
Trigger Out....................................................................................................................77
External Mixer............................................................................................................... 77
Probe Config................................................................................................................. 77
Signal Source................................................................................................................77
└ Input Path........................................................................................................77
└ Connected Device...........................................................................................78
└ Input Sample Rate.......................................................................................... 78
└ Full Scale Level...............................................................................................78
└ Level Unit........................................................................................................78
└ Adjust Reference Level to Full Scale Level.................................................... 78
EXIQ..............................................................................................................................78
└ TX Settings..................................................................................................... 79
└ RX Settings.....................................................................................................79
└ Send To...........................................................................................................79
└ Firmware Update............................................................................................ 79
└ R&S Support...................................................................................................79
└ DigIConf..........................................................................................................79
Digital IQ Info................................................................................................................ 80
Input (AC/DC)
Toggles the RF input of the R&S FSVA/FSV between AC and DC coupling.
This function is not available for input from the R&S Digital I/Q Interface (option
R&S FSV-B17).
Remote command:
INPut:COUPling on page 178
Noise Source
Switches the supply voltage for an external noise source on or off.
Remote command:
DIAGnostic<n>:SERVice:NSOurce on page 185
Video Output
Sends a video output signal according to the measured level to the connector on the
rear panel of the R&S FSVA/FSV.
Note: Video output does not return valid values in IQ or FFT mode.
Remote command:
OUTP:IF VID , see OUTPut:IF[:SOURce] on page 184
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Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Tracking Generator
This softkey is only available if the R&S FSV option Tracking Generator (R&S FSV-B9)
or External Tracking Generator (R&S FSV-B10) or both are installed. It is not available
in I/Q Analyzer mode.
For details see the base unit description.
Power Sensor
For precise power measurement a power sensor can be connected to the instrument
via the front panel (USB connector) or the rear panel (power sensor, option R&S FSVB5). The Power Sensor Support firmware option (R&S FSV-K9) provides the power
measurement functions for this test setup.
This softkey is only available if the Power Sensor option (R&S FSV-K9) is installed.
For details see the chapter "Instrument Functions Power Sensor (K9)" in the base unit
description.
This softkey is available for RF measurements.
Trigger Out
Sets the Trigger Out port in the Additional Interfaces (option R&S FSV-B5 only) to low
or high. Thus, you can trigger an additional device via the external trigger port, for
example.
Remote command:
OUTPut:TRIGger on page 184
External Mixer
Opens the submenu for the external mixer.
For details see the base unit description.
Probe Config
With firmware R&S FSVA/FSV 1.61SP2 or newer, active probes are supported (via an
adapter). This softkey opens an edit dialog box to activate and configure a connected
probe which is to provide an input signal. It is only available if a probe is connected to
the instrument's [RF Input] and USB connectors.
For details see the base unit Operating Manual.
Remote command:
PROBe[:STATe] on page 117
PROBe:SETup:MODE on page 117
Signal Source
Opens a dialog box to select the signal source.
For "Digital Baseband (I/Q)", the source can also be configured here.
Input Path ← Signal Source
Defines whether the "RF Radio Frequency" or the "Digital IQ" input path is used for
measurements. "Digital IQ" is only available if option R&S FSV-B17 (R&S Digital I/Q
Interface) is installed.
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Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Note: Note that the input path defines the characteristics of the signal, which differ significantly between the RF input and digital input.
Remote command:
INPut:SELect on page 182
Connected Device ← Signal Source
Displays the name of the device connected to the optional R&S Digital I/Q Interface
(R&S FSV-B17) to provide Digital IQ input. The device name cannot be changed here.
The device name is unknown.
Remote command:
INPut:DIQ:CDEVice on page 178
Input Sample Rate ← Signal Source
Defines the sample rate of the digital I/Q signal source. This sample rate must correspond with the sample rate provided by the connected device, e.g. a generator.
Remote command:
INPut:DIQ:SRATe on page 180
Full Scale Level ← Signal Source
The "Full Scale Level" defines the level that should correspond to an I/Q sample with
the magnitude "1".
The level can be defined either in dBm or Volt.
Remote command:
INPut:DIQ:RANGe[:UPPer] on page 179
Level Unit ← Signal Source
Defines the unit used for the full scale level.
Remote command:
INPut:DIQ:RANGe[:UPPer]:UNIT on page 180
Adjust Reference Level to Full Scale Level ← Signal Source
If enabled, the reference level is adjusted to the full scale level automatically if any
change occurs.
Remote command:
INPut:DIQ:RANGe:COUPling on page 179
EXIQ
Opens a configuration dialog box for an optionally connected R&S EX-IQ-BOX and a
submenu to access the main settings quickly.
Note: The EX-IQ-Box functionality is not supported for R&S FSV models
1307.9002Kxx.
If the optional R&S DigIConf software is installed, the submenu consists only of one
key to access the software. Note that R&S DigIConf requires a USB connection
(not LAN!) from the R&S FSVA/FSV to the R&S EX-IQ-BOX in addition to the R&S
Digital I/Q Interface connection. R&S DigIConf version 2.10 or higher is required.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
For typical applications of the R&S EX-IQ-BOX see also the description of the R&S
Digital I/Q Interface (R&S FSV-B17) in the base unit manual.
For details on configuration see the "R&S®Ex I/Q Box - External Signal Interface Module Manual".
For details on installation and operation of the R&S DigIConf software, see the
"R&S®EX-IQ-BOX Digital Interface Module R&S®DigIConf Software Operating Manual".
TX Settings ← EXIQ
Opens the "EX-IQ-BOX Settings" dialog box to configure the R&S FSVA/FSV for digital
output to a connected device ("Transmitter" Type).
RX Settings ← EXIQ
Opens the "EX-IQ-BOX Settings" dialog box to configure the R&S FSVA/FSV for digital
input from a connected device ("Receiver" Type).
Send To ← EXIQ
The configuration settings defined in the dialog box are transferred to the R&S EX-IQBOX.
Firmware Update ← EXIQ
If a firmware update for the R&S EX-IQ-BOX is delivered with the R&S FSVA/FSV firmware, this function is available. In this case, when you select the softkey, the firmware
update is performed.
R&S Support ← EXIQ
Stores useful information for troubleshooting in case of errors.
This data is stored in the C:\R_S\Instr\user\Support directory on the instru-
ment.
If you contact the Rohde&Schwarz support to get help for a certain problem, send
these files to the support in order to identify and solve the problem faster.
DigIConf ← EXIQ
Starts the optional R&S DigIConf application. This softkey is only available if the
optional software is installed.
To return to the R&S FSVA/FSV application, press any key on the front panel. The
application is displayed with the "EXIQ" menu, regardless of which key was pressed.
For details on the R&S DigIConf application, see the "R&S®EX-IQ-BOX Digital Interface Module R&S®DigIConf Software Operating Manual".
Note: If you close the R&S DigIConf window using the "Close" icon, the window is
minimized, not closed.
If you select the "File > Exit" menu item in the R&S DigIConf window, the application is
closed. Note that in this case the settings are lost and the EX-IQ-BOX functionality is
no longer available until you restart the application using the "DigIConf" softkey in the
R&S FSVA/FSV once again.
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Softkeys of the Analog Demodulation option
Remote command:
Remote commands for the R&S DigIConf software always begin with SOURce:EBOX.
Such commands are passed on from the R&S FSVA/FSV to the R&S DigIConf automatically which then configures the R&S EX-IQ-BOX via the USB connection.
All remote commands available for configuration via the R&S DigIConf software are
described in the "R&S®EX-IQ-BOX Digital Interface Module R&S®DigIConf Software
Operating Manual".
Example 1:
SOURce:EBOX:*RST
SOURce:EBOX:*IDN?
Result:
"Rohde&Schwarz,DigIConf,02.05.436 Build 47"
Example 2:
SOURce:EBOX:USER:CLOCk:REFerence:FREQuency 5MHZ
Defines the frequency value of the reference clock.
Digital IQ Info
Displays a dialog box with information on the digital I/Q input and output connection via
the optional R&S Digital I/Q Interface (R&S FSV-B17), if available. The information
includes:
●
Device identification
●
Used port
●
(Maximum) digital input/output sample rates and maximum digital input/output
transfer rates
●
Status of the connection protocol
●
Status of the PRBS descewing test
For details see "Interface Status Information" in "Instrument Functions - R&S Digital I/Q
Interface (Option R&S FSV-B17)" in the description of the base unit.
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S
Remote command:
INPut:DIQ:CDEVice on page 178
FSV–K7)
2.3 Remote Commands of the Analog Demodulation
(R&S FSV–K7)
In this section all remote control commands specific to the Analog Demodulation option
are described in detail. The abbreviation ADEMOD stands for the Analog Demodulation operating mode. For details on conventions used in this chapter refer to Chap-
ter 2.3.1, "Notation", on page 82.
For further information on analyzer or basic settings commands, refer to the corresponding subsystem in the base unit description.
In particular, the following subsystems are identical to the base unit; refer to the base
unit description:
●
CALCulate:DELTamarker
●
CALCulate:MARKer (except for the K7-specific commands described in Chap-
ter 2.3.2, "CALCulate Subsystem (Analog Demodulation, R&S FSV–K7)",
on page 85)
●
INITiate subsystem
●
INPut subsystem
●
OUTput subsystem
Subsystems of the Analog Demodulation (R&S FSV–K7)
2.3.1 Notation.........................................................................................................................82
2.3.2 CALCulate Subsystem (Analog Demodulation, R&S FSV–K7).................................... 85
2.3.2.1 CALCulate:MARKer:FUNCtion:ADEMod Subsystem (Analog Demodulation, Analog
Demodulation)...............................................................................................................85
2.3.2.2 Other CALCulate commands........................................................................................ 90
2.3.2.3 Other Referenced CALCulate Commands....................................................................98
2.3.3 DISPlay Subsystem (Analog Demodulation, R&S FSV–K7).......................................108
2.3.4 INSTrument Subsystem (Analog Demodulation, R&S FSV–K7).................................115
2.3.5 PROBe subsystem...................................................................................................... 116
2.3.6 SENSe Subsystem (Analog Demodulation, R&S FSV–K7)........................................ 117
2.3.6.1 Trace Mode Result Types............................................................................................118
2.3.6.2 Formats for Returned Values: ASCII Format and Binary Format................................ 118
2.3.6.3 SENSe:ADEMod Subsystem (Analog Demodulation, Analog Demodulation)............ 119
2.3.6.4 SENSe:ADJust Subsystem.........................................................................................145
2.3.6.5 SENSe:BANDwidth Subsystem (Analog Demodulation, R&S FSV–K7).....................147
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2.3.6.6 SENSe:FILTer Subsystem (Analog Demodulation, Analog Demodulation)................ 148
2.3.6.7 SENSe:FREQuency Subsystem (Analog Demodulation, R&S FSV–K7)................... 153
2.3.6.8 SENSe:SWEep Subsystem (Analog Demodulation, R&S FSV–K7)...........................155
2.3.6.9 Other commands in the SENSe subsystem................................................................157
2.3.7 TRACe Subsystem (Analog Demodulation, R&S FSV–K7)........................................ 160
2.3.7.1 Commands of the TRACe subsystem.........................................................................160
2.3.7.2 Formats for Returned Values: ASCII Format and Binary Format................................161
2.3.8 TRIGger Subsystem (Analog Demodulation, R&S FSV–K7)...................................... 162
2.3.9 UNIT Subsystem (Analog Demodulation, R&S FSV–K7)........................................... 169
2.3.10 Other Commands Referenced in this Manual............................................................. 170
2.3.10.1 CALCulate:DELTamarker Subsystem (Analog Demodulation, R&S FSV–K7)............170
2.3.10.2 INPut subsystem.........................................................................................................176
2.3.10.3 MMEMory subsystem..................................................................................................183
Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S FSV–K7)
2.3.10.4 OUTPut subsystem.....................................................................................................183
2.3.10.5 Other Commands........................................................................................................184
2.3.1 Notation
In the following sections, all commands implemented in the instrument are first listed
and then described in detail, arranged according to the command subsystems. The
notation is adapted to the SCPI standard. The SCPI conformity information is included
in the individual description of the commands.
Individual Description
The individual description contains the complete notation of the command. An example
for each command, the *RST value and the SCPI information are included as well.
The options and operating modes for which a command can be used are indicated by
the following abbreviations:
Abbreviation Description
A spectrum analysis
A-F spectrum analysis – span > 0 only (frequency mode)
A-T spectrum analysis – zero span only (time mode)
ADEMOD analog demodulation (option R&S FSV-K7)
BT Bluetooth (option R&S FSV-K8)
CDMA CDMA 2000 base station measurements (option R&S FSV-K82)
EVDO 1xEV-DO base station analysis (option R&S FSV-K84)
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S
GSM GSM/Edge measurements (option R&S FSV-K10)
IQ IQ Analyzer mode
OFDM WiMAX IEEE 802.16 OFDM measurements (option R&S FSV-K93)
OFDMA/WiBro WiMAX IEEE 802.16e OFDMA/WiBro measurements (option R&S FSV-K93)
NF Noise Figure measurements (R&S FSV-K30)
PHN Phase Noise measurements (R&S FSV-K40)
PSM Power Sensor measurements (option R&S FSV-K9)
SFM Stereo FM measurements (optionR&S FSV-K7S)
SPECM Spectogram mode (option R&S FSV-K14)
TDS TD-SCDMA base station / UE measurements (option R&S FSV-K76/K77)
VSA Vector Signal Analysis (option R&S FSV-K70)
WCDMA 3GPP Base Station measurements (option R&S FSV-K72), 3GPP UE measure-
ments (option R&S FSV-K73)
WLAN WLAN TX measurements (option R&S FSV-K91)
FSV–K7)
The spectrum analysis mode is implemented in the basic unit. For the other modes, the
corresponding options are required.
Upper/Lower Case Notation
Upper/lower case letters are used to mark the long or short form of the key words of a
command in the description. The instrument itself does not distinguish between upper
and lower case letters.
Special Characters
| A selection of key words with an identical effect exists for several commands. These keywords
are indicated in the same line; they are separated by a vertical stroke. Only one of these keywords needs to be included in the header of the command. The effect of the command is independent of which of the keywords is used.
Example:
SENSe:FREQuency:CW|:FIXed
The two following commands with identical meaning can be created. They set the frequency of the fixed frequency signal to 1 kHz:
SENSe:FREQuency:CW 1E3
SENSe:FREQuency:FIXed 1E3
A vertical stroke in parameter indications marks alternative possibilities in the sense of
"or". The effect of the command differs, depending on which parameter is used.
Example: Selection of the parameters for the command
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R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S
FSV–K7)
[SENSe<1…4>:]AVERage<1…4>:TYPE VIDeo | LINear
[] Key words in square brackets can be omitted when composing the header. The full command
length must be accepted by the instrument for reasons of compatibility with the SCPI standards.
Parameters in square brackets can be incorporated optionally in the command or omitted as
well.
{} Parameters in braces can be incorporated optionally in the command, either not at all, once or
several times.
Description of Parameters
Due to the standardization, the parameter section of SCPI commands consists always
of the same syntactical elements. SCPI has therefore specified a series of definitions,
which are used in the tables of commands. In the tables, these established definitions
are indicated in angled brackets (<…>) and is briefly explained in the following.
For details see the chapter "SCPI Command Structure" in the base unit description.
<Boolean>
This keyword refers to parameters which can adopt two states, "on" and "off". The "off"
state may either be indicated by the keyword OFF or by the numeric value 0, the "on"
state is indicated by ON or any numeric value other than zero. Parameter queries are
always returned the numeric value 0 or 1.
<numeric_value> <num>
These keywords mark parameters which may be entered as numeric values or be set
using specific keywords (character data). The following keywords given below are permitted:
●
MAXimum: This keyword sets the parameter to the largest possible value.
●
MINimum: This keyword sets the parameter to the smallest possible value.
●
DEFault: This keyword is used to reset the parameter to its default value.
●
UP: This keyword increments the parameter value.
●
DOWN: This keyword decrements the parameter value.
The numeric values associated to MAXimum/MINimum/DEFault can be queried by
adding the corresponding keywords to the command. They must be entered following
the quotation mark.
Example:
SENSe:FREQuency:CENTer? MAXimum
Returns the maximum possible numeric value of the center frequency as result.
<arbitrary block program data>
This keyword is provided for commands the parameters of which consist of a binary
data block.
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2.3.2 CALCulate Subsystem (Analog Demodulation, R&S FSV–K7)
2.3.2.1 CALCulate:MARKer:FUNCtion:ADEMod Subsystem (Analog Demodulation, Analog
2.3.2.2 Other CALCulate commands........................................................................................ 90
2.3.2.3 Other Referenced CALCulate Commands....................................................................98
2.3.2.1 CALCulate:MARKer:FUNCtion:ADEMod Subsystem (Analog Demodulation, Ana-
Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S FSV–K7)
The CALCulate subsystem contains commands for converting instrument data, transforming and carrying out corrections. These functions are carried out subsequent to
data acquisition, i.e. following the SENSe subsystem.
Demodulation)...............................................................................................................85
log Demodulation)
The CALCulate:MARKer:FUNCtion:ADEMod subsystem contains the marker functions
for the Analog Demodulation mode.
Commands of the CALCulate:MARKer:FUNCtion:ADEMod Subsystem
CALCulate<n>:MARKer:FUNCtion:ADEMod:AFRequency[:RESult<t>]?................................85
CALCulate<n>:MARKer:FUNCtion:ADEMod:AM[:RESult<t>]?..............................................86
CALCulate<n>:MARKer:FUNCtion:ADEMod:CARRier[:RESult<t>]?......................................87
CALCulate<n>:MARKer:FUNCtion:ADEMod:FERRor[:RESult<t>]?.......................................87
CALCulate<n>:MARKer:FUNCtion:ADEMod:FM[:RESult<t>]?.............................................. 88
CALCulate<n>:MARKer:FUNCtion:ADEMod:PM[:RESult<t>]?..............................................89
CALCulate<n>:MARKer:FUNCtion:ADEMod:SINad:RESult<t>?............................................89
CALCulate<n>:MARKer:FUNCtion:ADEMod:THD:RESult<t>?..............................................90
CALCulate<n>:MARKer:FUNCtion:ADEMod:AFRequency[:RESult<t>]?
This command queries the audio frequency with analog demodulation in the specified
window.
If several demodulation modes are activated simultaneously (e.g. with the [SENSe:
]ADEMod:FM[:TDOMain][:TYPE] command, the audio frequency of the display
mode selected with CALCulate<n>:FEED on page 90 is returned.
Suffix:
<n>
.
1
window
<t> 1...6
irrelevant
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S FSV–K7)
Example: ADEM ON, see [SENSe:]ADEMod[:STATe] on page 121
Switches on analog demodulator
CALC:FEED 'XTIM:AM:TDOM', see CALCulate<n>:FEED
on page 90
Switches on AM result display.
DISP:TRAC ON, see DISPlay[:WINDow<n>]:TRACe<t>[:
STATe] on page 111
Switches the trace on.
CALC:MARK:FUNC:ADEM:AFR?
Queries the audio frequency.
Usage: Query only
Mode: ADEMOD
CALCulate<n>:MARKer:FUNCtion:ADEMod:AM[:RESult<t>]?
CALCulate<n>:MARKer:FUNCtion:ADEMod:AM[:RESult<t>]?? <MeasType>
This command queries the results of the AM modulation measurement.
Suffix:
<n>
<t> 1...6
Parameters:
<Result> The result of the selected measurement type is returned.
Query parameters:
<MeasType> PPEak | MPEak | MIDDle | RMS
.
1...4
irrelevant
trace 1, 2, 3, 4, 5 or 6
PPEak
Measurement with detector Pluspeak (+PK)
MPEak
Measurement with detector MinusPeak (-PK)
MIDDle
Averaging ±PK/2
RMS
RMS measurement
<Result>
Example: ADEM ON (see [SENSe:]ADEMod[:STATe] on page 121)
Switches on the analog demodulator.
CALC:FEED 'XTIM:AM:TDOM', see CALCulate<n>:FEED
on page 90
Switches on the AM result display.
DISP:TRAC ON, see DISPlay[:WINDow<n>]:TRACe<t>[:
STATe] on page 111
Switches on the trace.
CALC:MARK:FUNC:ADEM:AM? PPE
Queries the peak value.
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S FSV–K7)
Usage: Query only
Mode: ADEMOD
CALCulate<n>:MARKer:FUNCtion:ADEMod:CARRier[:RESult<t>]?
This command queries the carrier power.
With RF Power result display, the carrier power is determined from trace 1 to 6 indicated in the suffix. With all other result displays, the carrier power is determined from the
current trace data (CLR/WRITE trace).
Suffix:
<n>
<t> 1...6
Example: ADEM ON (see [SENSe:]ADEMod[:STATe] on page 121)
Usage: Query only
Mode: ADEMOD
CALCulate<n>:MARKer:FUNCtion:ADEMod:FERRor[:RESult<t>]?
This command queries the frequency error with FM and PM demodulation. The frequency error is determined from the current measurement data (CLR/WRITE trace).
The offset thus determined differs from that calculated in the [SENSe:]ADEMod:FM:
OFFSet on page 132 command since, for determination of the frequency deviation,
the modulation is removed by means of low pass filtering, producing results that are
different from those obtained by averaging with the SENSe command.
.
1...4
irrelevant
irrelevant
Switches on analog demodulator
CALC:FEED 'XTIM:RFP', see CALCulate<n>:FEED
on page 90
Switches on RF power result display
CALC:MARK:FUNC:ADEM:CARR?
Queries the carrier power
Suffix:
<n>
<t> 1...6
.
1...4
irrelevant
irrelevant
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S FSV–K7)
Example: ADEM ON (see [SENSe:]ADEMod[:STATe] on page 121)
Switches on analog demodulator
CALC:FEED 'XTIM:FM:TDOM', see CALCulate<n>:FEED
on page 90
Switches on FM result display
CALC:MARK:FUNC:ADEM:FERR?
Queries the frequency error of trace 1
Usage: Query only
Mode: ADEMOD
CALCulate<n>:MARKer:FUNCtion:ADEMod:FM[:RESult<t>]?
CALCulate<n>:MARKer:FUNCtion:ADEMod:FM[:RESult<t>]?? <MeasType>
This command queries the results of FM modulation measurement.
Suffix:
<n>
<t> 1...6
Parameters:
<Result> The result of the selected measurement type is returned.
Query parameters:
<MeasType> PPEak | MPEak | MIDDle | RMS
.
1...4
irrelevant
trace 1, 2, 3, 4, 5 or 6
PPEak
Measurement with detector Pluspeak (+PK)
MPEak
Measurement with detector MinusPeak (-PK)
MIDDle
Averaging ±PK/2
RMS
RMS measurement
<Result>
Example: ADEM ON (see [SENSe:]ADEMod[:STATe] on page 121)
Switches on the analog demodulator.
CALC:FEED 'XTIM:FM:TDOM', see CALCulate<n>:FEED
on page 90
Switches on the FM result display.
CALC:MARK:FUNC:ADEM:FM? PPE
Queries the peak value.
Usage: Query only
Mode: ADEMOD
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S FSV–K7)
CALCulate<n>:MARKer:FUNCtion:ADEMod:PM[:RESult<t>]? <Result>
CALCulate<n>:MARKer:FUNCtion:ADEMod:PM[:RESult<t>]?? <MeasType>
This command queries the results of PM modulation measurement of analog demodulation.
Suffix:
<t>
<n> 1...4
Parameters:
<Result> The result of the selected measurement type is returned.
Query parameters:
<MeasType> PPEak | MPEak | MIDDle | RMS
Example: ADEM ON (see [SENSe:]ADEMod[:STATe] on page 121)
.
1...6
trace 1, 2, 3, 4, 5 or 6
irrelevant
PPEak
Measurement with detector Pluspeak (+PK)
MPEak
Measurement with detector MinusPeak (-PK)
MIDDle
Averaging ±PK/2
RMS
RMS measurement
Switches on the analog demodulator.
CALC:FEED 'XTIM:FM:TDOM', see CALCulate<n>:FEED
on page 90
Switches on the FM result display.
CALC:MARK:FUNC:ADEM:PM? PPE
Queries the peak value.
Usage: Query only
Mode: ADEMOD
CALCulate<n>:MARKer:FUNCtion:ADEMod:SINad:RESult<t>?
This command queries the result of the SINAD measurement in the specified window.
Suffix:
<n>
<t> 1...6
.
1...4
window
trace 1, 2, 3, 4, 5 or 6
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S
Example: ADEM ON (see [SENSe:]ADEMod[:STATe] on page 121)
Switches on analog demodulator
CALC:FEED 'XTIM:FM:AFSP', see CALCulate<n>:FEED
on page 90
Switches on AF spectrum of FM
CALC:MARK:FUNC:ADEM:SIN:RES?
Queries SINAD value
Usage: Query only
Mode: ADEMOD
CALCulate<n>:MARKer:FUNCtion:ADEMod:THD:RESult<t>?
This command queries the result of the THD measurement in the specified window.
Suffix:
<n>
<t> 1...6
.
1...4
window
trace 1, 2, 3, 4, 5 or 6
FSV–K7)
Example: ADEM ON (see [SENSe:]ADEMod[:STATe] on page 121)
Switches on analog demodulator
CALC:FEED 'XTIM:FM:AFSP', see CALCulate<n>:FEED
on page 90
Switches on AF spectrum of FM
DISP:TRAC ON, see DISPlay[:WINDow<n>]:TRACe<t>[:
STATe] on page 111
Switches on the trace
CALC:MARK:FUNC:ADEM:THD:RES?
Queries THD result
Usage: Query only
Mode: ADEMOD
2.3.2.2 Other CALCulate commands
CALCulate<n>:FEED <Evaluation>
This command selects the evaluation method of the measured data that is to be displayed in the specified window.
The suffix <1...6> indicates which of the traces is evaluated in the result summary.
Note that all result summaries are identical, as the results of all evaluations are included in the summary.
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S
Suffix:
<n>
Parameters:
<Evaluation> XTIM:AM:RELative[:TDOMain] |
.
1...4
window
XTIM:AM:RELative:AFSPectrum<1…6> |
XTIM:AM[:ABSolute][:TDOMain] | XTIM:RFPower[:TDOMain] |
XTIM:FM[:TDOMain] | XTIM:FM:AFSPectrum<1…6> |
XTIM:PM[:TDOMain] | XTIM:PM:AFSPectrum<1…6> |
XTIM:AMSummary<1…6>[:ABSolute] |
XTIM:AMSummary<1…6>:RELative |
XTIM:FMSummary<1…6> | XTIM:PMSummary<1…6> |
XTIM:SPECtrum | XTIM:SUMMary<1...6> |
XTIM:RFPower[:TDOMain] | XTIM:SPECtrum |
XTIM:SUMMary<1...6> | XFRequency:SFM:LEFT |
XFRequency:SFM:RIGHt | XFRequency:SFM:MPX |
XFRequency:SFM:MONO | XFRequency:SFM:STEReo |
XFRequency:SFM:RDS | XFRequency:SFM:PILot |
XTIMe:SFM:LEFT | XTIMe:SFM:RIGHt | XTIMe:SFM:MPX |
XTIMe:SFM:MONO | XTIMe:SFM:STEReo | XTIMe:SFM:RDS |
XTIMe:SFM:PILot
XTIM:AM:RELative[:TDOMain]
Demodulated AM signal in time domain
XTIM:AM:RELative:AFSPectrum<1…6>
AF spectrum of the demodulated AM signal
XTIM:AM[:ABSolute][:TDOMain]
RF signal in time domain (RF power)
Same as 'XTIM:RFPower'
XTIM:RFPower[:TDOMain]
RF power of the signal (RF signal in time domain)
XTIM:FM[:TDOMain]
Demodulated FM signal in time domain
XTIM:FM:AFSPectrum<1…6>
AF spectrum of the demodulated FM signal
XTIM:PM[:TDOMain]
Demodulated PM signal in time domain
XTIM:PM:AFSPectrum<1…6>
AF spectrum of the demodulated PM signal
XTIM:AMSummary<1…6>[:ABSolute]
Result summary for RF signal
XTIM:AMSummary<1…6>:RELative
Result summary for demodulated AM signal
XTIM:FMSummary<1…6>
Result summary for demodulated FM signal
XTIM:PMSummary<1…6>
Result summary for demodulated PM signal
FSV–K7)
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S FSV–K7)
XTIM:SPECtrum
RF spectrum of the signal determined from the measured data
via FFT
XTIM:SUMMary<1...6>
Summary of all evaluation lists
XFRequency:SFM:LEFT
Left channel spectrum of FM stereo signal
XFRequency:SFM:RIGHt
Right channel spectrum of FM stereo signal
XFRequency:SFM:MPX
MPX channel spectrum of FM stereo signal
XFRequency:SFM:MONO
Mono channel spectrum of FM stereo signal
XFRequency:SFM:STEReo
Stereo channel spectrum of FM stereo signal
XFRequency:SFM:RDS
RDS channel spectrum of FM stereo signal
XFRequency:SFM:PILot
Pilot channel spectrum of FM stereo signal
XTIMe:SFM:LEFT
Left channel of FM stereo signal in time domain
XTIMe:SFM:RIGHt
Right channel of FM stereo signal in time domain
XTIMe:SFM:MPX
MPX channel of FM stereo signal in time domain
XTIMe:SFM:MONO
Mono channel of FM stereo signal in time domain
XTIMe:SFM:STEReo
Stereo channel of FM stereo signal in time domain
XTIMe:SFM:RDS
RDS channel of FM stereo signal in time domain
XTIMe:SFM:PILot
Pilot channel of FM stereo signal in time domain
Example:
Usage: SCPI confirmed
Mode: ADEMOD, SFM
INST:SEL ADEM
(see INSTrument[:SELect] on page 116)
Activates analog demodulator.
CALC:FEED 'XTIM:FM'
Selects the display of the FM signal.
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S FSV–K7)
Manual operation: See "AM" on page 28
See "Screen A-D" on page 28
See "FM" on page 37
See "PM" on page 38
See "RF Power" on page 39
See "Left" on page 193
See "Screen A-D" on page 194
See "Right" on page 205
See "MPX" on page 205
See "Mono" on page 205
See "Stereo" on page 205
See "RDS" on page 205
See "Pilot" on page 205
See "RF Power" on page 205
CALCulate<n>:FORMat <Limitation>
This command activates the limitation to ±180°.
Suffix:
<n>
Parameters:
<Limitation> PHASe | UPHase
Example:
Usage: SCPI confirmed
Mode: ADEMOD
Manual operation: See "Phase Wrap On/Off" on page 39
CALCulate<n>:MARKer<m>:FUNCtion:PNOise:RESult?
This command queries the result of the phase noise measurement at the specified
marker in the specified window.
.
1...4
irrelevant
PHASe
Limitation to ±180°
UPHase
Unwrapped
*RST: UPHase
CALC:FORM PHAS
Activates the limitation to ±180°.
A complete sweep with synchronization to the sweep end must be performed between
switching on the function and querying the measured value in order to obtain a correct
query result. This is only possible in single sweep mode.
Suffix:
<n>
.
1...4
window
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S FSV–K7)
<m> 1...16
marker
Example:
Usage: Query only
Mode: ADEMOD
Manual operation: See "Phase Noise" on page 72
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:ANNotation:LABel:STATe <State>
This command turns labels for peaks found during a peak search on and off.
The labels correspond to the marker number in the marker peak list.
Suffix:
<n>
INIT:CONT OFF
Switches to single sweep mode.
CALC:MARK2 ON
Switches on marker 2.
CALC:MARK2:FUNC:PNO ON
Switches on the phase noise marker 2.
INIT;*WAI
Starts a sweep and waits for the end.
CALC:MARK2:PNO:RES?
Outputs the phase noise result of marker 2.
.
Selects the measurement window.
<m> Selects the marker.
Parameters:
<State> ON | OFF
*RST: ON
Example:
Manual operation: See "Marker Number" on page 75
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:LIST:SIZE <MaxNoPeaks>
This command defines the maximum number of peaks the marker peak list may contain.
Suffix:
<n>
<m> Selects the marker.
Parameters:
<MaxNoPeaks> Maximum number of peaks to be determined.
CALC:MARK:FUNC:FPE:ANN:LAB:STAT OFF
Removes the peak labels from the diagram
.
Selects the measurement window.
*RST: 50
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S
Example:
Manual operation: See "Max Peak Count" on page 74
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:STAT <State>
This command turns a peak search on and off.
Suffix:
<n>
<m> Selects the marker.
Parameters:
<State> ON | OFF
Example:
Manual operation: See "Peak List On/Off" on page 74
CALC:MARK:FUNC:FPE:LIST:SIZE 10
The marker peak list will contain a maximum of 10 peaks.
.
Selects the measurement window.
*RST: OFF
CALC:MARK:FUNC:FPE:STAT ON
Activates marker peak search
FSV–K7)
CALCulate<n>:MARKer<m>:FUNCtion:PNOise <State>
This command switches the phase noise measurement for the specified marker on or
off in the specified window. The phase noise power density is measured at the position
of the markers. The result can be queried with CALCulate<n>:MARKer<m>:
FUNCtion:PNOise:RESult? on page 93.
Suffix:
<n>
<m> 1...16
Parameters:
<State> ON | OFF
Example:
Mode: ADEMOD
CALCulate<n>:MARKer<m>:FUNCtion:ZOOM <Range>
.
1...4
window
marker
*RST: OFF
CALC:MARK2:FUNC:PNO ON
Switches on the phase noise marker 2.
This command defines the range to be zoomed around marker 1. Marker 1 is activated
first, if necessary.
The subsequent frequency sweep is stopped at the marker position and the frequency
of the signal is counted. This frequency becomes the new center frequency, and the
zoomed span is set.
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S
Note that you should perform a complete measurement with synchronization to the end
of the measurement. This is only possible for single sweeps.
Suffix:
<n>
<m> Selects the marker.
Parameters:
<Range> <numeric_value>
Example:
Manual operation: See "Marker Zoom (span > 0)" on page 71
CALCulate<n>:MARKer<m>:LINK
Links the markers in all displays of the specified type.
Suffix:
<n>
.
Selects the measurement window.
INIT:CONT OFF
Switches to single sweep mode
CALC:MARK:FUNC:ZOOM 1kHz;*WAI
Activates zooming and waits for its end.
<DisplayType>
.
1...4
window
FSV–K7)
<m> 1...16
marker
Parameters:
<DisplayType> TIME | SPECtrum | BOTH | NONE
TIME
Links the markers in all time domain diagrams
SPECtrum
Links the markers in all AF Spectrum displays
BOTH
Links the markers both in the time domain diagrams and in the
AF Spectrum displays
NONE
Markers are not linked.
*RST: NONE
Example:
Mode: ADEMOD
Manual operation: See "Link Time Marker" on page 71
CALC1:MARK1:LINK TIME
Links the marker 1 in all time domain diagrams in screen A.
See "Link AF Spectrum Marker" on page 71
CALCulate<n>:THReshold <Threshold>
This command defines a threshold value for the marker peak search.
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S FSV–K7)
A threshold line is automatically turned on.
Suffix:
<n>
Parameters:
<Threshold> The unit depends on CALCulate<n>:UNIT:POWer.
Example:
Manual operation: See "Threshold" on page 75
CALCulate<n>:THReshold:STATe
This command turns the threshold line for the marker peak search on and off.
Suffix:
<n>
Parameters:
<State> ON | OFF
Example:
.
irrelevant
*RST: (STATe to OFF)
CALC:THR -82DBM
Sets the threshold value to -82 dBm.
<State>
.
irrelevant
*RST: OFF
CALC:THR:STAT ON
Switches on the threshold line.
Manual operation: See "Threshold" on page 75
CALCulate<n>:UNIT:ANGLe <Unit>
This command selects the unit for angles.
The unit is defined globally for all windows.
Suffix:
<n>
Parameters:
<Unit> DEG | RAD
Example:
Mode: ADEMOD
CALCulate<n>:UNIT:POWer <Unit>
This command selects the unit of the y-axis.
The unit applies to all measurement windows.
Suffix:
<n>
.
irrelevant
*RST: RAD
CALC:UNIT:ANGL DEG
.
irrelevant
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S FSV–K7)
Parameters:
<Unit> DBM | V | A | W | DBPW | WATT | DBUV | DBMV | VOLT |
DBUA | AMPere
*RST: dBm
Example:
CALC:UNIT:THD <Mode>
Selects the unit for THD measurements.
Parameters:
<Mode> DB | PCT
Example:
Mode: ADEMOD, SFM
2.3.2.3 Other Referenced CALCulate Commands
CALCulate<n>:MARKer<m>:AOFF
This command all markers off, including delta markers and marker measurement functions.
Suffix:
<n>
CALC:UNIT:POW DBM
Sets the power unit to dBm.
*RST: DB
CALC:UNIT:THD PCT
.
Selects the measurement window.
<m> depends on mode
irrelevant
Example:
Usage: Event
Manual operation: See "All Marker Off" on page 69
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:COUNt?
This command queries the number of peaks that have been found during a peak
search.
Suffix:
<n>
<m> Selects the marker.
Return values:
<NumberOfPeaks>
CALC:MARK:AOFF
Switches off all markers.
.
irrelevant
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Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S FSV–K7)
Example:
Usage: Query only
Manual operation: See "Marker Peak List" on page 74
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:SORT <SortMode>
This command selects the order in which the results of a peak search are returned.
Suffix:
<n>
<m> Selects the marker.
Parameters:
<SortMode> X
Example:
CALC:MARK:FUNC:FPE 3
Searches the 3 highest maxima for trace 1
CALC:MARK:FUNC:FPE:COUN?
Queries the number of maxima found
.
Selects the measurement window.
Sorts the peaks according to increasing position on the x-axis.
Y
Sorts the peaks according to decreasing position on the y-axis.
CALC:MARK:FUNC:FPE:SORT Y
Sets the sort mode to decreasing y values
Manual operation: See "Sort Mode Freq/Lvl" on page 74
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:X
This command queries the position of the peaks on the x-axis.
The order depends on the sort order that has been set with CALCulate<n>:
MARKer<m>:FUNCtion:FPEaks:SORT on page 99.
The number of peaks on the number that has been set with CALCulate<n>:
MARKer<m>:FUNCtion:FPEaks:COUNt?.
Suffix:
<n>
<m> Selects the marker.
Return values:
<PeakPosition> Position of the peaks on the x-axis. The unit depends on the
.
Selects the measurement window.
measurement.
99Operating Manual 1176.7561.02 ─ 06
Page 100
R&S® FSV-K7/K7S
Analog Demodulation Option R&S FSV–K7
Remote Commands of the Analog Demodulation (R&S
Example:
Manual operation:
CALCulate<n>:MARKer<m>:FUNCtion:FPEaks:Y?
This command queries the position of the peaks on the y-axis.
The order depends on the sort order that has been set with CALCulate<n>:
MARKer<m>:FUNCtion:FPEaks:SORT on page 99.
CALC:MARK:FUNC:FPE:SORT Y
Sets the sort mode to decreasing y values
CALC:MARK:FUNC:FPE 3
Searches the 3 highest maxima for trace 1
CALC:MARK:FUNC:FPE:COUN?
Queries the number of maxima found
CALC:MARK:FUNC:FPE:X?
Queries the frequencies (span <> 0) or. time (span = 0) of the
maxima found
107.5E6,153.8E6,187.9E6
frequencies in increasing order
2.05E-3,2.37E-3, 3.71e-3
times in increasing order
See "Marker Peak List" on page 74
FSV–K7)
The number of peaks on the number that has been set with CALCulate<n>:
MARKer<m>:FUNCtion:FPEaks:COUNt?.
Suffix:
<n>
<m> Selects the marker.
Return values:
<PeakPosition> Position of the peaks on the y-axis. The unit depends on the
Example:
Usage: Query only
Manual operation: See "Marker Peak List" on page 74
.
Selects the measurement window.
measurement.
CALC:MARK:FUNC:FPE:SORT Y
Sets the sort mode to decreasing y values
CALC:MARK:FUNC:FPE 3
Searches the 3 highest maxima for trace 1
CALC:MARK:FUNC:FPE:COUN?
Queries the number of maxima found
CALC:MARK:FUNC:FPE:Y?
Queries the levels of the maxima found
CALCulate<n>:MARKer<m>:FUNCtion:NDBDown <Distance>
This command defines the distance of the n dB down markers to the reference marker.
100Operating Manual 1176.7561.02 ─ 06
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