The product documentation helps you to use the R&S ZNA safely and efficiently. Follow the instructions provided here and in the printed "Basic Safety Instructions". Keep
the product documentation nearby and offer it to other users.
Intended use
The R&S ZNA is designated for the development, production and verification of electronic components and devices in industrial, administrative, and laboratory environments. Use the R&S ZNA only for its designated purpose. Observe the operating conditions and performance limits stated in the data sheet.
Where do I find safety information?
Safety information is part of the product documentation. It warns you about the potential dangers and gives instructions how to prevent personal injuries or damage caused
by dangerous situations. Safety information is provided as follows:
●
The printed "Basic Safety Instructions" provide safety information in many languages and are delivered with the R&S ZNA.
●
Throughout the documentation, safety instructions are provided when you need to
take care during setup or operation.
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2.1.1Getting Started Manual
Preface
Documentation Overview
2Preface
This chapter provides safety-related information, an overview of the user documentation and the conventions used in the documentation.
2.1Documentation Overview
This section provides an overview of the R&S ZNA user documentation. Unless specified otherwise, you find the documents on the R&S ZNA product page at:
https://www.rohde-schwarz.com/manual/ZNA
Introduces the R&S ZNA 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.
2.1.2User Manual and Help
The user 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.
The contents of the user manual is available as help in the R&S ZNA. The help offers
quick, context-sensitive access to the complete information for the instrument and its
firmware.
The user manual is also available for download or for immediate display on the Internet.
2.1.3Service 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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2.1.4Instrument Security Procedures
2.1.5Basic Safety Instructions
2.1.6Data Sheets and Brochures
Preface
Conventions Used in the Documentation
Deals with security issues when working with the R&S ZNA 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 ZNA. 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 https://www.rohde-schwarz.com/brochure-datasheet/ZNA
2.1.7Release 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 https://www.rohde-schwarz.com/firmware/ZNA
2.1.8Application Notes, Application Cards, White Papers, etc.
These documents deal with special applications or background information on particular topics.
See https://www.rohde-schwarz.com/application/ZNA
2.2Conventions Used in the Documentation
2.2.1Typographical Conventions
The following text markers are used throughout this documentation:
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Preface
Conventions Used in the Documentation
ConventionDescription
[Keys]Key and knob names are enclosed by square brackets.
This also applies to the virtual keys in the control window of the
R&S ZNA.
"Graphical user interface elements"
File names, commands,
program code
InputInput to be entered by the user is displayed in italics.
LinksLinks 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.
File names, commands, coding samples and screen output are distinguished by their font.
tion marks.
2.2.2Conventions 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.
2.2.3Notes 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.
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Putting the Analyzer into Operation
Unpacking and Checking the Instrument
3Putting the Analyzer into Operation
This section describes the basic steps to be taken when setting up the analyzer for the
first time.
Simple measurement examples are provided in Chapter 6, "Performing Measure-
ments", on page 56; for a description of the operating concept refer to Chapter 5,
"Operating the Instrument", on page 29. For all background and reference informa-
tion concerning manual and remote control of the instrument, refer to your analyzer's
help system or user manual. A more detailed description of the hardware connectors
and interfaces is also part of the help system or user manual.
Risk of injury due to disregarding safety information
Observe the information on appropriate operating conditions provided in the data sheet
to prevent personal injury or damage to the instrument. Read and observe the basic
safety instructions provided with the instrument, in addition to the safety instructions in
the following sections. In particular:
●
Do not open the instrument casing.
Risk of instrument damage due to inappropriate operating conditions
An unsuitable operating site or test setup can damage the instrument and connected
devices. Before switching on the instrument, observe the information on appropriate
operating conditions provided in the data sheet. In particular, ensure the following:
●
All fan openings are unobstructed and the airflow perforations are unimpeded. A
minimum distance of 10 cm to other objects is recommended.
●
The instrument is dry and shows no sign of condensation.
●
The instrument is positioned as described in the following sections.
●
The ambient temperature does not exceed the range specified in the data sheet.
●
Signal levels at the input connectors are all within the specified ranges.
●
Signal outputs are connected correctly and are not overloaded.
3.1Unpacking and Checking the Instrument
Check the equipment for completeness using the delivery note and the accessory lists
for the various items. If you notice any damage, immediately contact the carrier who
delivered the instrument.
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Putting the Analyzer into Operation
Bench Top Operation
Packing material
Retain the original packing material. If the instrument needs to be transported or shipped later, you can use the material to protect the control elements and connectors.
Risk of injury during transportation
The carrying handles at the front and side of the casing are designed to lift or carry the
instrument. Do not apply excessive force to the handles. If a handle is ripped off, the
falling instrument can cause injury.
As the R&S ZNA is very heavy (over 30 kg fully equipped), it must always be carried
by two people using both carrying handles to avoid personal injury or damage to the
instrument.
3.2Positioning the Instrument
The network analyzer is designed for use under laboratory conditions, either on a
bench top or in a rack. Notice the general ambient conditions at the operating site
described under "Risk of instrument damage due to inappropriate operating conditions"
on page 11.
Instrument damage caused by electrostatic discharge
Electrostatic discharge (ESD) can damage the electronic components of the instrument
and the device under test (DUT). Electrostatic discharge is most likely to occur when
you connect or disconnect a DUT or test fixture to the instrument's test ports. To prevent electrostatic discharge, use a wrist strap and cord and connect yourself to the
ground, or use a conductive floor mat and heel strap combination.
3.3Bench Top Operation
If the analyzer is operated on a bench top, the surface must be flat. The instrument can
be used in horizontal or vertical position, standing on its feet, or with the support feet
on the bottom expanded.
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Putting the Analyzer into Operation
EMI Suppression
Risk of injury if feet are folded out
The feet can fold in if they are not folded out completely or if the instrument is shifted.
Collapsing feet can cause injury or damage the instrument.
●
Fold the feet completely in or out to ensure stability of the instrument. Never shift
the instrument when the feet are folded out.
●
When the feet are folded out, do not work under the instrument or place anything
underneath.
●
The feet can break if they are overloaded. The overall load on the folded-out feet
must not exceed 500 N.
3.4Operation in a 19" Rack
The R&S ZNA can be mounted in 19" racks using the adapter R&S ZZA-KN6 (order
number 1332.4498.02). Proceed according to the mounting instructions supplied with
the rack adapter.
Risk of instrument damage due to insufficient airflow in a rack
If you mount several instruments in a rack, you need an efficient ventilation concept to
ensure that the instruments do not overheat. Insufficient airflow for a longer period can
disturb the operation and even cause damage.
3.5EMI Suppression
Electromagnetic Interference (EMI) can affect the measurement results.
To suppress generated Electromagnetic Interference:
●
Use suitable shielded cables of high quality (see table below)
●
Always terminate open cable ends
●
Note the EMC classification in the data sheet
Regarding length and quality, the following requirements have to be met for cable that
are directly connected to the R&S ZNA:
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R&S® ZNA
Putting the Analyzer into Operation
Starting the Analyzer and Shutting Down
Table 3-1: Cable Requirements
Cable Type (Connector)Requirement
RF cables (PORT 1, ..., PORT N)Double shielded
BNC cables (various)Double shielded
DB-25 (User Port)Double shielded
Digital I/Q (External Handler IO, External Data Logger, Direct Control)
GPIBStandard cable
RFFE/GPIOR&S ZN-Z25 (order no. 1334.3424.02) only
DisplayPort (Monitor)Standard cable
DVI-D (Monitor)2 ferrite cores
LANAt least CAT6, S/FTP
PCIeStandard cable
USBStandard cables, length ≤ 3m
R&S order no. 1402.4990.00 only
3.6Connecting the Analyzer to the AC Supply
The network analyzer is automatically adapted to the AC supply voltage, which must
be in the range of 100 V to 240 V at 50 Hz to 60 Hz. A line frequency of 400 Hz is also
supported.
The mains connector is located in the upper part of the rear panel (see Chapter 4.2,
"Rear Panel", on page 26).
► Connect the network analyzer to the AC power source using the AC power cable
delivered with the instrument.
The maximum power consumption and the typical power consumption of the individual
analyzer models are listed in the data sheet.
3.7Starting the Analyzer and Shutting Down
The AC power switch is located in the upper part of the rear panel, above the mains
connector; see Chapter 4.2, "Rear Panel", on page 26.
To start the analyzer, proceed as follows:
1. Switch the AC power switch to position I (On).
After power-on, the analyzer automatically goes to standby or ready state, depending on the state of the standby toggle key at the front panel when the instrument
was switched off last time.
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Putting the Analyzer into Operation
Standby and Ready State
2. If necessary, press the standby toggle key on the front panel to switch the instrument to ready state.
The instrument automatically performs a system check, boots the Windows® operating system and then starts the vector network analyzer (VNA) application. If it
was terminated regularly, the VNA application restores all recall sets and instrument settings of the previous analyzer session.
To shut down the analyzer, proceed as follows:
1. Press the standby key.
Pressing the standby key causes the instrument to save all loaded recall sets, to
close the VNA application, to shut down Windows®, and to go to standby state. Of
course, you can also perform these steps manually, like in any Windows session.
2. If desired, set the AC power switch to position O (Off).
Risk of data loss
It is recommended to switch the analyzer to standby state before disconnecting it from
the AC supply. If you set the power switch to 0 while the VNA application is still running, you lose the current settings. Moreover, loss of program data cannot be excluded
if the application is terminated improperly.
The AC power switch can be permanently on. It is recommendable, however, to switch
it off if the instrument is not used for some time. When you switch the instrument back
on, be sure to comply with the extended warm-up phase specified in the data sheet.
To guarantee the specified functionality, after turning off the R&S ZNA, you have to wait
for at least 10 seconds before turning it on again. This rule applies to both the AC
power off and the standby state.
3.8Standby and Ready State
The standby toggle key is located in the bottom left corner of the front panel.
The standby power only supplies the power switch circuits and the optional high precision quartz (R&S ZNA-B4, "Precision Oven Quartz Frequency Reference"). In this
state, it is safe to switch the AC power off and disconnect the instrument from the
power supply. In ready state, all modules are power-supplied. When switched to ready
state, the analyzer initiates its startup procedure.
Observe the instructions for startup and shutdown in Chapter 3.7, "Starting the Ana-
lyzer and Shutting Down", on page 14.
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Putting the Analyzer into Operation
3.9Connecting External Accessories
The analyzer's standard PC interfaces (Monitor, USB, LAN) can be used to connect
various accessories:
●
An external monitor displays the Windows® desktop plus the Vector Network Analyzer (VNA) application windows.
●
External keyboard and mouse simplify local control, in particular manual (GUI)
operation of the VNA application.
●
A printer can be used to create hard copies of the measurement diagrams and
traces from within the VNA application.
●
A LAN connection can be established to access the analyzer's mass storage or
control the analyzer from an external PC.
●
The R&S ZNA can also be remote controlled via USB.
External monitor, keyboard and mouse are not required for local operation. The
R&S ZNA can be fully controlled by tapping the touchscreen.
Connecting External Accessories
3.9.1Connecting a Monitor
A standard monitor can be connected to the DVI-D connector of the R&S ZNA. No
extra configuration is required.
The R&S ZNA also offers a DisplayPort.
Safety aspects
The monitor must be connected while the instrument is switched off (or in standby
mode). Otherwise correct operation cannot be guaranteed.
3.9.2Connecting a Keyboard
A keyboard can be connected to any of the USB connectors. After being auto-detected
by the operating system, it can safely be disconnected and reconnected even during
measurements.
Keyboard configuration
The default input language is English – US. Select "Settings" > "Time & language" >
"Region & language" from the Windows® Start menu to manage languages and keyboards.
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3.9.3Connecting a Mouse
Putting the Analyzer into Operation
Connecting External Accessories
To access Windows®, use the button in the toolbar of the application window.
A USB mouse can be connected to any of the USB connectors. After being auto-detected by the operating system, it can safely be disconnected and reconnected even during measurements.
Mouse configuration
Select "Settings" > "Devices" > "Mouse & touchpad" from the Windows® "Start" menu
to configure the mouse properties.
To access Windows®, use the
3.9.4Connecting a Printer
A printer can be connected to any of the USB connectors. After successful installation,
it can safely be disconnected and reconnected even during measurements.
Before printing (System – [File Print] > "Print"), the analyzer checks whether a printer is
connected and turned on and whether the appropriate printer driver is installed.
Printer driver installation
If necessary, the printer driver installation is initiated using the operating system's "Add
Printer Wizard". The wizard is self-explanatory. A printer driver must be installed only
once.
A great variety of printer drivers is available on the analyzer. To obtain the complete
list, select "Settings" > "Devices" > "Printers & scanners" from the Windows® "Start"
menu.
To access Windows®, use the
button in the toolbar of the application window.
button in the toolbar of the application window.
You can load updated and improved driver versions or new drivers from an installation
disk, USB memory stick or another external storage medium. Alternatively, if the analyzer is integrated in a network, you can install driver data stored in a network directory.
In either case, use the "Add Printer" wizard to complete the installation.
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3.9.5Connecting a LAN Cable
Putting the Analyzer into Operation
Minimizing the VNA Application
Printer configuration
Use the "Printer Setup" dialog of the firmware (System – [File Print] > "Print" >
"Print...") or the Windows® printer management to configure the printer properties and
printing preferences.
A LAN cable can be connected to the LAN connector on the rear panel of the analyzer.
To establish a LAN connection, proceed as follows:
1. Refer to Chapter 7.3.1, "Assigning an IP Address", on page 67.
2. Connect a CAT6 or CAT7 LAN cable to the LAN port.
The LAN port of the analyzer is an auto-crossover Ethernet port. You can connect it to
a network, but you can also set up a direct connection to a computer or another instrument. For both connection types, you can use either crossover or straight through
(patch) cables.
The IP address information is displayed in the System – [Setup] > "Remote Settings"
softtool tab.
3.9.6Connecting a USB Cable for Remote Control
The R&S ZNA can also be remote controlled via USB. To prepare for remote control
operation, connect a suitable USB 2.0 or 3.0 cable to the type B "USB Device" port on
the rear panel of the instrument. With direct connection to a master device, a connecting cable A-B (plug type A onto plug type B) must be used.
For more information, refer to the Remote Control chapter of your analyzer's help system or user manual.
3.10Minimizing the VNA Application
With a minimized VNA application, you can access your analyzer's Windows® desktop
or run other applications.
To exit the default full-screen mode of the VNA application, deselect System – [Display]
> "View Bar" > "Title Bar Task Bar". Then use the standard Windows® titlebar functions
to minimize/maximize/close the application window.
To start the VNA application with a minimized window
1. Right-click the Vector Network Analyzer shortcut icon on the desktop and open the
"Properties" dialog.
2. In the "Shortcut" tab, select "Run: Minimized".
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Putting the Analyzer into Operation
Minimizing the VNA Application
A software update restores the original shortcut properties.
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Instrument Tour
Front Panel
4Instrument Tour
This chapter gives an overview of the control elements and connectors of the
R&S ZNA and gives all information that is necessary to put the instrument into operation and connect external devices.
4.1Front Panel
The front panel of a R&S ZNA consists of a large-scale capacitive touchscreen and the
test port area below it.
Brief explanations on the controls and connectors can be found on the next pages.
Two-port and four-port network analyzers
The figures and examples in this Getting Started guide show a four-port network analyzer. Everything described in this guide is also valid for two-port analyzers. The extended measurement functionality of the four-port instruments is described in the help system and in the user manual.
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4.1.1Touchscreen
Instrument Tour
Front Panel
The touchscreen is split into two parts: the application window with diagrams and softtools on the left, and the control window with its (virtual) function keys and data entry
controls on the right. User interaction is touch-only, i.e. all hardkeys commonly used in
Rohde & Schwarz VNAs have been implemented in software.
Refer to the data sheet for the technical specifications of the touchscreen.
Application WindowControl Window
Function
Keys
Screen saver
The screen saver function of the operating system can be used to switch off the display
if the analyzer receives no command for a selectable period of time. The display is
switched on again when the touchscreen is touched.
4.1.1.1Application Window
The left part of the touchscreen is reserved for the application window.
The application window presents the measurement results, mostly in form of diagrams.
The toolbar, softtools and menu bar give access to all instrument functions. For an
introduction to touchscreen operation, refer to Chapter 5.1, "Manual Operation ",
on page 29.
The following sections contain further useful information about manual control of the
instrument.
●
Refer to Chapter 5, "Operating the Instrument", on page 29 to learn how to handle traces and diagrams, and how to use menus, keys and softtools.
●
Refer to chapter "Concepts and Features" in the user manual or help system to
obtain information about the results in the diagram.
Data Entry
Panel
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4.1.1.2Control Window: Function Keys
Instrument Tour
Front Panel
●
Refer to the description of the "Display" softtool (System – [Display]) in the user
manual or help system to learn how to customize the screen.
Most of the (virtual) keys in the upper part of the control window call up a related softtool of the analyzer GUI. Every softtool, in turn, provides access to a group of related
settings and actions (see Chapter 5.2.3, "Softtools", on page 35).
The Trace keys give access to all trace settings, to the limit check settings, and to the
marker functions including marker search.
●
[Meas]: select the measured and displayed quantity.
●
[Format]: define how measured data (traces) are presented.
●
[Scale]: define how traces are scaled.
●
[Trace Config]: store traces to memory and perform mathematical operations on
traces.
●
[Line]: define limits for measurement results, visualize them in the diagrams and
activate/deactivate the limit check.
●
[Marker]: position markers on a trace, configure their properties and select the format of the numerical readout. Markers can also be used to locate specific points on
the trace, define the sweep range, and scale the diagram.
The Channel keys give access to channel-related settings.
●
[Pwr Bw Avg]: define the power of the internal signal source, the IF bandwidth, and
the sweep average.
●
[Sweep]: define the scope of measurement, including the sweep type and the number of measured sweeps.
●
[Cal]: functions that are necessary to perform and manage calibrations.
●
[ChannelConfig]: functions for channel management.
●
[Mode]: set up channels for particular (non-standard) measurements.
●
[Offset Embed]: functions for embedding and deembedding a DUT.
The Stimulus keys define the sweep range, depending on the sweep type.
●
[Start]
●
[Stop]
●
[Center]
●
[Span]
The System keys give access to (or provide) general system functions.
●
[File Print]
–Create, save or load recall sets.
–Save or load trace data.
–Send the contents of the active diagrams to a file, to the clipboard, or to an
external printer (incl. content definition and printer setup).
●
[DUT]: starting point for DUT-centric measurement setup.
–Define DUTs to be measured (type, properties)
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4.1.1.3Control Window: Data Entry Panel
Instrument Tour
Front Panel
–Choose the measurements to be performed on a selected DUT.
The analyzer fimware then helps you to set up the channel(s) accordingly.
●
[Applic]: external software tools and optional extensions of the analyzer firmware.
●
[Display]: display settings and functions that activate, modify and arrange different
diagrams.
●
[Setup]: general system settings that are not restricted to a particular recall set.
●
[Preset]: restores preset values.
The controls in the data entry panel are used to enter numbers, units, and characters.
The appearance of the panel depends on the data type of the setting selected in the
Application Window.
Figure 4-1: Data Entry Panel
left = numeric value
right = string value
While most of the keys have their standard keyboard functionality, some keys and controls provide additional functionality:
●
The [abc] and [123] keys switch between the numeric and the string keyboard.
●
The wheel control at the right of the numerical data input panel increases and
decreases numerical values, and scrolls within lists.
[Step Size] opens an input box to select the steps (in units of the current physical
parameter) between two consecutive numerical values. The step size is also valid
for value changes using the up and down keys. See also Chapter 5.6.2, "Using the
Numeric Editor", on page 47.
4.1.2Standby Key
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