PeakTech 4135, 4130, 4140 Operation Manual

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PeakTech

4130 / 4135 / 4140

Operation manual

Digital Spectrum Analyzer

Safety introduction

Summary

Before operating this instrument, read the following safety precautions to avoid injury and prevent damage to this product or any products connected to it. For safe operation, be sure to operate this instrument in accordance with the provisions. Use proper power cord

Only power cord that is recognized by the country where this instrument is located

is allowed. Reliable grounding This product is grounded through the grounding wire of the power cord. To avoid electrical shock, before connecting any input or output terminal of the product, make sure reliable connection between the grounding terminal of the power cord of this product and protective earth terminal. Check all terminal ratings Check all ratings and markings on the product to avoid the impact of fire and excessive current, please consult the manual for further ratings information before any connections. Overvoltage protection Ensure that no excessive voltage (such as voltage caused by lightning or other large voltage) reach the product. Otherwise the operator may have a risk of electric shock. Do not operate without cover Do not operate the Spectrum Analyzer with covers or panels removed.

Use proper fuse

Only fuse specified by the Spectrum Analyzer is allowed. Do not expose circuit Do not touch exposed connectors and components when the unit is powered. Do not operate with suspected failures If you suspect a failure of this product, please contact PEAKTECH authorized maintenance personnel to detect. Any maintenance, adjustment or parts replacement must be performed by PEAKTECH authorized maintenance personnel.

Keep proper ventilation

Try to ensure good ventilation, bad ventilation will cause temperature increase of the instrument, thereby causing damage to it. Keep good ventilation when operating, check the vents and fan regularly. Operation environment To avoid internal short circuit or electric shock, do not operate the instrument in a damp environment. Do not operate in an explosive atmosphere. To avoid equipment damage or personal injury, do not operate the instrument in an explosive atmosphere. Clean and dry Keep product surface’s clean and dry to avoid dust or air moisture affecting the performance of the instrument.

Electrostatic protection

It may cause damage to the instrument if interface is with static electricity, so operate at anti-static area as much as possible to avoide static electricity when handling and operating. Ground the inner and outer conductors of interface briefly

to discharge static electricity before connecting cable to the instrument. Handling

To avoid instrument sliping down during handling which may damage the keys, knob or interfaces and other parts on the panel, please pay attention to handling safty

Safety terms and symbols

Terms in this guide. The following terms may appear in the guide: Caution Caution statement indicate the conditions and behaviors that may cause product damage or loss of data. Warning Warning statement indicate the conditions and behaviors that may endanger the lives and safety of the operating personnel.

Terms on the product. The following terminologies may apper on this product:

Danger Indicates an immediate injury once you carry out this operation.

Warning Indicates a probable damage to this product or other devices that is

connected with it once you carry out this operation.

Caution Indicates a protential hazard once you carry out this operation.

Symbols on the product. The following symbols may appear on the product:

Maintenance and cleaning

Maintenance Do not place the instrument in the sunlight for a long time. Clean Clean the instrument regularly according to using status.

Method is as follows:

1. To avoid electric shock, disconnect power before cleaning work.

2. Wipe the loose dust on the outside of the instrument with soft moist but not dripping cloth (use mild detergent or water, but not dissolved thinner, otherwise it will damage the designation strip or plastic parts). Be careful not to scratch the LCD protector when cleaning instruments with LCD screen.

Caution： Do not let any corrosive liquid stain the instrument to avoid

damage.

Warning: Before re-energizing, make sure the instrument is completely

dry to avoid short circuit even personal injury caused by moisture.

Brief introduction of Digital Spectrum Analyzer

The PeakTech 4130 / 4135 / 4140 is a Spectrum Analyzer with compact design, easy handling, high cost – performance ratio and various functions. It has a keyboard layout which is easy to operate, high-definition color LCD screen and various remote communication interfaces. It can be widely used in many fields including education science, enterprise R & D and industrial production etc.

Main Features:

 Frequency range:9 kHz to 3.0 GHz (P4140), 2.2GHz (P4135) or 1.5GHz (P4130)  Display Average Noise Level (DANL)-135 dBm (Typical value)  Phase noise: -80 dBc/Hz (offset 10 kHz)  Full-amplitude precision: ±1.0 dB  Resolution Bandwidth (RBW): 10 Hz  Various measurement function and auto-setting function  Multi-window display, accurate measurement  Equipped with preamplifier and AM / FM demodulation function  Tracking generator included  High stablility oscillator (optional)  7 inch high-definition screen (800×480 pixels), the image interface is simple

and clear which makes operation easy

 Equipped with various interfaces, such as LAN, USB Host, USB Device, RS232  Compact design, weights only 6.0kg

Overview

Abstract： Chapter 1 Getting started

This chapter introduces the front and rear panels, user interface and notes for first operation of the Spectrum Analyer.

Chapter 2 Front and Rear panel operation

This chapter describes the functions of the keys on the front panel, and introduces menu functions of each key in detail.

Chapter 3 Remote Control

This chapter introduces remote control methods of the Spectrum Analyzer.

Chapter 4 Specifications

This chapter introduces the specifications of the Spectrum Analyzer.

Chapter 5 Appendix

This chapter provides the accessories list and service and support information of the Spectrum Analyzer.

Format specification：

1. Key： This guide usually uses “text box+text (bold)” to indicate a key on front panel, such as FREQ indicates FREQ key.

2. Menu： This guide usually uses “character shading+text (bold)” to indicate a menu, such as “center frequency” indicates the center frequency menu option under FREQ key.

3. Connector：

This guide usually uses "brackets + text (bold)," to indicate a connector on the front or rear panel. For example: [GEN OUTPUT 50Ω].

4. Operating steps：

This guide usually uses an arrow “” to indicate the next step. For example: FREQ

center frequency indictes pressing FREQ function key on the front panel then pressing “center frequency”  menu softkey.

Content

Chapter 1 Getting started

Initial inspect

Outlook and dimension

Prepare for use

Front panel

Function keys on front panel

Rear panel

Parameter setting

Chapter 2 Basic operation

1. Basic Settings

Center Frequency

Start Freq

Stop Freq

CF Step

Signal Track

2. SPAN

Span

Full span

Zero span

Last span

3. AMPT

Auto Scale

Ref Level

Input Atten

Scale/Div

Scale Type

Y-axis Units

Ref Offset

Auto Range

Int Preamp

Max Mix Level

4. BW

RBW

VBW

V/R Ratio

Detector Type

5. Sweep

Time

Mode

Single

Points

SWT Count

Trigger Type

Trigger Setup

6. Trace

Select Trace

Trace Type

Average Times

Math

All Clear

7. Marker Measurement

Marker Select

Normal

Delta

Delta Pair

Span Pair

Off

Mark Trace

Readout

Marker Fctn

Select Marker

Noise Marker

N dB BW

Marker Table

Freq Count

8. Peak Search

Next Peak

Peak Right

Peak Left

Peak Min

Peak P-P

Cont Peak

Peak Para

Peak Table

9. Marker->

Marker->CF

Marker ->Step

Marker ->Start

Marker ->Stop

MarkerΔ->Span

Marker ->Ref

10. AUTO Tune

11. Display

Display line

Full screen

Active Fctn

Screen Off

12. Preset

13.System Setup

Language

Reset

I/O Setting

Ref Source

14. Source

Source

Amplitude

Normalize

15. Meas

Channel Power (CP)

Adjacent Channel Power (ACP)

Ocuupied Bandwidth (OBW)

Chapter 3 Remote control

Chapter 4 Specifications

Frequency

Amplitude

Sweep

Trigger

Trakcing source

Input/output

General characteristics

Chapter 5 Appendix

Standard accessories

Optional accessories

Options

Chapter 1 Getting started

This chapter introduces the front and rear panels, user interface and notes for first operation of the Spectrum Analyer. The contents of this chapter are as follows:

 Initial inspect  Outlook and dimensions  Front panel  Rear panel  Parameter setting

Initial inspect

1. Inspect the transport package

Check the transport package and verify its contents is complete, keep the package and fill material before testing the analyzer.

2. Inspect the unit

Please inspect the unit carefully, if its content is not complete, or the analyzer does not pass the performance test, please contact your dealer or the manufacturer.

3. Check the accessories

Check the accessories according to the packing list, if damaged or missing, please contact your PeakTech distributor.

Outlook and dimension

Data

Spectrum Analyzer 9kHz-3.0GHz

RF INPUT 50Ω

MAX +30dBm/50V DCMAX 50V DC

GEN OUTPUT 50Ω

kHz

1 2 3

-dBm

MHz

4 5 6

+dBm

GHz

Peak

Auto Tune

Single

Display

Trigger

Sweep

Marker

Source

CAL

Setup

System

Recall

Preset

Save

Meas

t Trace

cto

Demod

Count

Freq

Marker

AMPT

SPAN

FREQ

sec

Control

Marker

Utility

Setting

Front view Unit：mm

Planform Unit：mm

Prepare for use

Adjust the legs of the instrument

Open the legs of the Analyzer as bracket of the instrument to make it tilted upward before operation, which makes the following operation and observation more convenient. When the instrument is not in use, the user can close the support legs to facilitate placement or removal.

Switching the power on

Connect the Spectrum Analyzer to AC power with the power cord from the accessories, please refer to the introduction about the requirement of voltage and frequency of AC power in the “Rear panel” section.

Boot examination

Connect power cord properly, then press the power switch on the front panel to turn on the Spectrum Analyzer. The boot screen displays the boot initialization process information, then displays sweep curve at the end.

Perform self-calibration

Please perform self-calibration after boot. Press CAL Calibration Immediate calibration to process self-calibration for the system with the internal calibration source of the system.

Front panel

Data

Spectrum Analyzer 9kHz-2.2GHz

RF INPUT 50Ω

MAX +30dBm/50V DCMAX 50V DC

GEN OUTPUT 50Ω

kHz

1 2 3

-dBm

MHz

4 5 6

+dBm

GHz

Peak

Auto Tune

Single

Display

Trigger

Sweep

Marker

Source

CAL

Setup

System

Recall

Preset

Save

Meas

Trace

cto

Demod

Count

Freq

Marker

AMPT

SPAN

FREQ

sec

Control

Marker

Utility

Setting

① LCD display screen ② Adjusting knob ③Function key area ④ Digit keys ⑤ RF input ⑥Direction keys ⑦ Menu software/ menu control key ⑧USB Host ⑨ Power

Function keys on front panel:

Peak

Auto

Tune

Single

Display

Trigger

Sweep

Marker

Source

CAL

Setup

System

Recall

Preset

Save

Meas

Trace

cto

Demod

Count

Freq

Marker

AMPT

SPAN

FREQ

Control

Marker

Utility

Setting

Table 1-2 Description of function keys on front panel

Function key

Function description

FREQ

Set informations like center frequency, start frequency and end frequency etc.

SPAN

Set the frequency range of sweep.

AMPT

Set parameters like reference level, RF attenuator, scale, Yaxis units etc. Set level offset, the largest mixer and input impedance. Used to perform automatic calibration, automatic range and turn on the preamplifier.

Set resolution bandwidth (RBW) and vedio bandwidth (VBW)

and V/R ratio.

Sweep

Set parameters like sweep time, mode etc.

Trigger

Set informations about trigger

Single

Set “single” trigger of the instrument

Display

Set informations about screen display

Auto Tune

Auto tune of full frequency range

Marker

Read amplide, frequency or sweep time etc. of each point on trace through the marker

Marker—>

Set other system paraters of the instrument with current marker value

Freq Count

Set parameters like frequency count, resolution etc.

Peak Search

Unfold setting menu of peak search, and execute peak search function simultaneously

Note：

*The function is only applicable for the unit selected with according options.

Demod

Config demodulation function **

Meas

Select and control measurement function **.

Source

Set tracking source*.

CAL

Set information about the auto calibration of the instrument .

Trace

Set parameters of trace.

Detector

Set detection mode of detector.

System Setup

Set parmaters of system.

Triger

Set information about trigger.

Save

File save and read function.

Recall

Recall saved data and information.

Preset

Reset system to factory default state or userdefined state.

Rear panel

SHIJIAZHUANG SUIN INSTRUMENTS CO.,LTD.

10MHz IN/OUT

Trigger in

RS232

USB Device

LAN

VGA

REPLACE FUSE

AS SPECIFIED DISCONNECT POWER CORD BEFORE REPLACING FUSE

100-240V AC 50/60Hz

T 3A/250V

1. VGA port

This port provides VGA vedio signal output, connect this interface with VGA cable

2. RS-232 port

This port provides serial data output, connect this interface with RS-232 cable

3. TRIGGER IN

When the Spectrum Analyzer is under external trigger mode, this connector receives an external trigger signal. The external trigger signal is input to the Spectrum Analyzer through BNC cable

4.10MHz IN/OUT

Realize reference clock input/ output through BNC cable

5. AC Power Connector

The AC power specifications that this instrument supports is: 100 V - 240 V, 45 Hz - 440 Hz

6.USB Device

The Spectrum Analyzer could connect with external USB device as “slave device”

7.LAN

This interface is used to connect the spectrum analyzer to the LAN to realize remote control.

Parameter setting

Realize parameter input with numeric keys, adjusting knob or direction keys. This section introducs thress parameter setting methods with an example (set center frequency to 1500 MHz).

1. Use numeric keys

1) Press FREQ  Center frequency;

2) Use numeric keys to input value “750”;

3) Select desired unit “MHz” from the unit menu that pops up.

2. Use adjusting knob

In the parameters editable state, turn the knob to increase (clockwise) or decrease

(counter-clockwise) parameters at specified steps.

1) Press FREQ Center frequency;

2) Turn the knob to get desired parameter value (750 MHz).

3. Use direction keys

In the parameter editable state, the direction keys can be used for the progressive

increment or decrement of the parameter value according to a certain step.

1) Press FREQ  Center frequency;

2) Press the up / down direction key to get desired parameter value (750 MHz).

Chapter 2 Basic operation

The contents of this chapter are as follows:

 Basic Settings  Sweep and Functions Settings  Measurement Settings  The using and function settings of Marker  Shortcut  System Settings

Basic Settings

FREQ

Set the frequency parameter of analyzer. The analyzer sweeps within a specified range, and the sweep will start once you change this parameter. The frequency range of current channel can be expressed by either of two groups of paramenters: Start Frequency/Stop Frequency（f

start/fstop

）, or center

Frequency/Span（ f

center/fspan

） . If any one of them is adjusted, other three

parameters will be changed accordingly to ensure their coupling relationship.

center

=（f

start-fstop

）/2

span

= f

stop

- f

start

Center Frequency

Enable the center frequency function, to allow a frequency displays in center be selected. When pressed, the frequency mode is switched to Center Frequency/Span for input. In this mode, parameters you specified are always shown at the lower right and left side of the display grid.

Key points:

 The start and stop frequencies vary with the center frequency when span is

constant.

 Changing the center frequency horizontally shifts the current sweep channel

and the adjustment is limited by the specified range in datasheet.

 In the Zero Span mode, start frequency, stop frequency and center frequency

are always equal.

 User can modify this parameter by numeric keys, knob and arrow keys.

Table 2-1 Center Frequency

Parameter

Description

Default

0.75GHz (P4130); 1.1GHz (P4135); 1.5GHz (P4140)

Range

0Hz ~ 1.5GHz (P4130); 0Hz ~ 2.2GHz (P4135) 0Hz ~ 3.0GHz (P4140)

Unit

GHz, MHz, kHz, Hz

Knob Step

Span>0, step=span/200 Span=0, step=RBW/100, Min=1 Hz

Arrow Keys Step

CF step

Start Freq

Set the start frequency of current channel, displays at the left scale. When pressed, the frequency mode is switched to Start Frequency/Stop Frequency for input. In this mode, parameters you specified are always shown at the lower left and right side of the grid.

Key points:

 The span and center frequency are changed automatically according to the start

frequency. The change of the span would have influence on other system parameters. For more details, please refer to “Span”.

 In Zero Span mode, the start frequency, stop frequency and center frequency

are always equal.

 You can modify this parameter using the numeric keys, knob, or arrow keys.

Table 2-2 Start Frequency

Stop Freq

Set the stop frequency of current channel, displays at the right scale. When pressed, the frequency mode is switched to Start Frequency/Stop Frequency for input. In this mode, parameters you specified are always shown at the lower left and right side of the grid.

Key points:

 The span and center frequency are changed automatically according to the stop

frequency. The change of the span would have influence on other system parameters. For more details, please refer to “Span”.

 You can modify this parameter using the numeric keys, knob, or direction keys.

Table 2-3 Stop Frequency

*Note：The range is from 100 Hz to 3.0GHz in non-zero span.

CF Step

Set the CF step. User can modify the center frequency by fixed step continuously switches the channel to be measured.

Key points:

 Setting for CF step could be “Manual” or “Auto”. In “Auto” mode, CF step is 1/10 of

span for non-zero span, and equals the RBW for zero span. In “Manual” mode, user can input data by numeric keys.

 After setting of appropriate CF step and center frequency, user can switch the

measured channel with specified step by Up/Down keys in order to sweep the adjacent channels manually.

 You can modify this parameters by numeric keys, knob, or arrow keys.

Table 2-4 CF Step

Parameter

Description

Default

0 GHz

Range

0 Hz ~ 1.5GHz (P4130) 0 Hz ~ 2.2GHz (P4135) 0 Hz ~ 3.0GHz (P4140)

Unit

GHz, MHz, kHz, Hz

Knob Step

Span>0, step=span/200 Span=0, step=RBW/100, Min=1 Hz

Arrow Keys Step

CF step

Parameter

Description

Default

1.5 GHz (P4130) ; 2.2 GHz (P4135); 3.0 GHz (P4140)

Range*

0Hz ~ 1.5GHz (P4130); 0Hz ~ 2.2GHz (P4135) 0Hz ~ 3.0GHz (P4140)

Unit

GHz, MHz, kHz, Hz

Knob Step

Span>0, step=span/200 Span=0, step=RBW/100, Min=1 Hz

Arrow Keys Step

CF step

Signal Track

Enable or disable the function of signal track. Tracks signals with unstable frequency and less than 3dB transient variation in amplitude by placing Marker 1(refer to “Marker Measurement”) onto the measured signal to track the variation continuously. Progress of signal track as figure 2-1:

Figure 2-1

Key points:

 When Signal Track is on, the ST icon is shown at the left of screen.  If an active marker exsits, when Signal Track is on, the analyzer will search and

mark the point (with no more than 3dB variation in amplitude) near the marker, set the frequency of this point as center frequency and hold the signal at the center of screen.

 If no marker is active, when Signal Track is on, Marker 1 is enalbled and executes a

peak searching, set the current peak frequency as center frequency and hold the signal at the center of the screen.

 In continouse sweep, the system tracks continuously. In single sweep, only track

one signal. In zero span, Signal Track is invalid.

SPAN

Set the span of analyzer. The frequency parameter varies with the span. Once change the span, sweep will be restarted.

Parameter

Description

Default

150MHz (P4130), 220MHz (P4135), 300MHz (P4140)

Range

1 Hz ~ 3.0GHz (P4140); 2.2GHz (P4135) ; 1.5GHz (P4130)

Unit

GHz, MHz, kHz, Hz

Knob Step

Span>0, step=span/200 Span=0, step=VBW/100, Min=1 Hz

Arrow Keys Step

In 1-2-5 sequency

Span

Set the frequency range of current channel. When pressed, the frequency mode is switched to Center Freq/Span for input, and the Center Freq and Span are shown at the lower left and right of the display grid.

Key points:

The Start/Stop Frequency varies with the changing of Span automatically.

 In manual span mode, the minimum can be set as 100Hz (the only way to zero span

is to press the Zero Span menu option), the maximum is described in “Specification”, analyzer enter into full span mode when select maximum setting.

 In non-zero span mode, CF step and RBW changes with the span when they are

Auto mode, and changing of RBW will influence VBW (in Auto mode).

 Any changes among Span, RBW and VBW will influence Sweep Time.  In non-zero span mode, some function are invalid, like “Video” trigger, “1/△ time”

readout.

 You can modify this parameter by numeric keys, knob and arrow keys.

Table 2-5 Span

*Note: 0 Hz is only available in zero span.

Full Span

Set the span of analyzer to be maximum.

Zero Span

Set the span of analyzer to be 0Hz. In this case, stop frequency and start frequency are both equal to center frequency, the horizontal axis denotes time. The analyzer here is measuring the time domain characteristics of amplitude where frequency point is.

Key points:

In zero span mode, the analyzer displays the time domain characteristic of fixed frequency component, which has many difference with non-zero mode, and the following functions are valid in zero span mode:

 FREQ : Signal Track

 Marker-> : “Mkr->CF”, “Mkr->Step”, “Mkr ->Start”, “Mkr ->Stop”, “Mkr△ ->CF”

and “Mkr△->Span”.

 Marker : Readout of “Frequency”, “Period” and “1/△time” (valid in Delta marker

type).

 TG : Power Sweep

Last Span

Set the span of analyzer to be previous setting.

AMPT

Enable the reference level and enter into the amplitude menu. Through these parameters, tested signal can be displayed at an optimal view with least error.

Parameter

Description

Default

1.5 GHz (P4130) ; 2.2 GHz (P4135); 3.0 GHz (P4140)

Range*

0Hz ~ 1.5GHz (P4130); 0Hz ~ 2.2GHz (P4135) 0Hz ~ 3.0GHz (P4140)

Unit

GHz, MHz, kHz, Hz

Knob Step

span/200, Min=1 Hz

Arrow Keys Step

In 1-2-5 sequence

Auto Scale

To set the highest resolution for Y axis of current screen on condition that the signal is full displayed. A reference level is set automatically and ensures the peak of signal always on the topmost of grid for best view of tracing line.

Figure 2-2 Before Auto Scale

Figure 2-3 After Auto Scale

Ref Level

Set the reference level, indicates at the top scale as amplitude power or voltage. When change the reference level, the topmost scale of absolute amplitude level

changes accordingly shown at the upper left of the display grid. Key points:  Maximum reference level is affected by combination of maximum mixing level, input

attenuation and preamplifier. When adjust it, the input attenuation is adjusted under

a constant max mixing level, meeting:

Ref

, a RF, a PA and L

mix

denote reference level, input

attenuation, preamplifier and maximum mixing level.

 You can modify this parameter by numeric keys, knob and arrow keys. For more

details, please refer to “Paramter Input”.

Table 2-6 Reference Level

Input Atten

Set the front attenuation of the RF input in order to permit big signals (or small signals) to pass from the mixer with low distortion (or low noise).

Parameter

Description

Default

0dBm

Range

-100 dBm ~ 30 dBm

Unit

dBm, -dBm, mV, uV

Knob Step

in Log scale mode, step=scale/10 in Lin scale mode, step=0.1 dBm

Arrow Keys Step

in Log scale mode, step=scale in Lin scale mode, step=1 dBm

Key points:

 When preamplify is on, up limit for input attenuation can set to be 30dB. You can

adjust reference level to ensure above formula 2-3.  You can modify this parameter by numeric keys, knob and arrow keys. For more

details, please refer to “Parameter Input”.

Table 2-7 Input Attenuration

Scale/Div

Only in Log scale mode, set the logarithmic units and scale value per vertical grid

division on the display. Key points:

 Trough changing the scale, the displayed amplitude range is adjusted.  Amplitude range can be displayed:

Min：Reference level – 10 × scale ； Max：Reference level

 You can modify this parameter by numeric keys, knob and arrow keys. For more

details, please refer to “Parameter Input”.

Table 2-8 Scale

Scale Type

Set the scale type of Y-axis to Lin or Log, the default is Log. Key points:  In Log scale type, Y-axis denotes the logarithmic coordinate, top grid shows

reference level, and the grid size is equal to the scale value. The unit of Y-axis will be switched to be dBm as default when the scale type is changed from Lin to Log.

 In Lin scale type, Y-axis denotes linear coordinate, top grid shows reference level

and bottom grid is 0V, the grid size is10% of the reference level and scale setting is invalid. The unit of Y-axis will be switched to be Volts as default when the scale type is changed from Log to Lin.

 Scale type will not affect the unit of Y-axis.

Y-axis Units

Set the unit of Y-axis to dBm, dBmV, dBuV, Volts or Watts.

dBm, dBmV, dBuV are uint for Log scaling, but Volts and Watts are unit for Lin

scaling. Defualt uinit is dBm.

Ref Offset

Parameter

Description

Default

10dB

Range

0 dB ~ 50 dB

Unit

Knob Step

5 dB

Arrow Keys Step

5 dB

Parameter

Description

Default

10dB

Range

0.1 dB ~ 20 dB

Unit

Knob Step

Scale≥1, step=1 dB Scale<1, step=0.1 dB

Arrow Keys Step

In 1-2-5 sequence

Assign an offset to the reference level to compensate for gains or losses generated between the measured device and the analyzer. Then the level of external

amplitude tansformer input can be taken as reference for measured signal level. Key points:  The change of this parameter will not change the position of curve on screen, but

change the read out of the reference level and marker amplitude.  You can modify this parameter by numeric keys. For more details, please refer to

“Parameter Input”.

Table 2-9 Reference level offset

Auto Range * (only applicable for models selected with this function)

Auto change the amplitude parameters whitin current span for easy view of the signal display in main screen.

Figure 2-4 Before Auto range

Figure 2-5 After Auto range

Key points:  The difference between Auto Range and Auto Scale is that Auto Range can solve

the overrange problem caused by parameter setting and adjust the max. mix level to

accords with signal.  The difference between Auto Range and Auto is that: Auto Range adjusts the

main channel signal but not change the frequency settings. Auto searches signal in

full span and locate the signal at the center frequency.

Parameter

Description

Default

0dB

Range

-300 dB ~ 300 dB

Unit

Knob Step

Arrow Keys Step

Int Preamp

Turn on or off the preamplifier located at front of RF. When the function enabled, the

preamplifier will reduce the display average noise level in order to distinguish the

small signal among noises.

Key points:

 The icon will be displayed on the left screen when the preamplifier is on.

Max Mix Level

Set max input level of mixer according to the manaitude of signal. Key points:  For bigger input signal, select small max mixing level in order to increase input

attenuation and reduce distortion. For smaller input signal, select big max mixing level in order to reduce input attenuation and distortion.

 Paramter in formula 2-3, are always changing on the basis of max mixing level.  You can modify this parameter by numeric keys, knob and arrow keys. For more

details, please refer to “Parameter Input”.

Table 2-11 Max mix level

Parameter

Description

Default

-10dBm

Range

-50 dBm ~ 0 dBm

Unit

dBm, -dBm, mV, uV

Knob Step

1 dBm

Arrow Keys Step

10 dBm

Sweep and Function Settings BW

Set the parameters of RBW (Resolution Bandwidth), VBW (Video Bandwidth) and Dectector.

RBW

Set the RBW (Resolution Bandwidth) in order to distinguish two close signals. Key points:  Reducing the RBW to get higher frequency resolution, but will cause the longer

sweep (In Auto Sweep mode, sweep time will be affected both by RBW and VBW).

 In Auto RBW mode, RBW decreases with the span (non-zero span).  You can modify this parameter by numeric keys, knob and arrow keys. For more

details, please refer to “Parameter Input”.

Table 2-12 RBW (gaussian filter selected)

VBW

Set the VBW (Video Bandwidth) in order to remove the band noise. Key points:  Reducing the VBW to smooth spectrum line and differentiate small signal from the

noise, but also will cause the longer sweep (In Auto Sweep mode, sweep time will be affected both by RBW and VBW).

 In Auto mode, VBW will change with RBW, but not affected by RBW in Manual

mode.

 You can modify this parameter by numeric keys, knob and arrow keys. For more

details, please refer to “Parameter Input”.

Table 2-13 VBW

V/R Ratio

Set the ratio of VBW to RBW. If the response of signal is very close to noise level, to

avoid the signal to be covered by noise, you need to set the ratio less than 1 to

reduce noise. Key points:  Select right V/R Ratio while measuring different kinds of signal:

Sine signal: Select 1 to 3 (for faster sweeps). Pulse Signal: Select 10 (reduce the influence on amplitude of transient signals)

 You can modify this parameter by numeric keys, knob and arrow keys. For more

details, please refer to “Parameter Input”.

Table 2-14 V/R Ratio

Parameter

Description

Default

1 MHz

Range

10 Hz ~ 1 MHz

Unit

GHz, MHz, kHz, Hz

Knob Step

In 1-3-10 sequence

Arrow Keys Step

In 1-3-10 sequence

Parameter

Description

Default

1 MHz

Range

1 Hz ~ 1 MHz

Unit

GHz, MHz, kHz, Hz

Knob Step

In 1-3-10 sequence

Arrow Keys Step

In 1-3-10 sequence

Detector Set the detector type of analyzer for different signal measurement.

Detector Type

While displaying a wider span, analyzer always capture the whole data for each pixel whthin a specified time. Then, the data will be processed (Peak Value, Average Value) by current selected detector and shown on screen after finishing the processing.

Key points:

 Select appropriate dectector type according to the application to ensure the

accuracy of the measurement.

 Optional detector types are: Pos Peak, Neg Peak, Sample, Normal, RMS Avg and

Voltage Avg, the default is Pos Peak.

 Each selected type is shown with a parameter icon on the left status bar of screen

as Figure 2-6 below:

Figure 2-6

1. Pos Peak

Search the maximum from the samling data segment and display it. In this type, the signal will not be missed even with very small resolution, which is very helpful for EMC test.

2. Neg Peak

Search the minimum from the sampling data segment and display it at the corresponding pixel.

3. Sample

Sample type shows the transient level of the center time in corresponding interval for each pixel of curve. If the span is far bigger than RBW, the detector will not be such reliable. So sample type is only applicable for Noise signal or similar ones.

4. Normal

Normal also can be named as Pos Normal or Rosenfell, that is searching both the minimum and maximum from the sampling data segment and displays maximum at each odd pixel, minimum at each even pixel. In this type, user can intuitively view the change range of amplitude.

5. RMS Avg

Caculate the data from the smapling data segment with mean square root operation and display the result. This type can reject noise and easy for user to view the weak signal.

Parameter

Description

Default

Range

0.000001 ~ 100000

Unit

Knob Step

In 1-3-10 sequence

Arrow Keys Step

In 1-3-10 sequence

Where, VRMS denotes the mean square root value of voltage, unit is V. N denotes the number of smples assigned for each pixel. vi denotes the envelop of the samples, unit is V.

Reference Resistance R can be used for Power calculation:

6. Voltage Avg

Average the data from sampling assigned to pixel and displays the result.

Where, V denotes the average of voltage with unit V, N denotes the number of

smaples assigned to each pixel. v I denotes the envelope of smaples with unit V。 Sweep

Set the parameters about sweep and trigger, such as Time, Mode, SWT Count and

Trig Type.

Time

Set the time for the analyzer to complete a sweep within span. Either Auto or Maual

can be used, the default is Auto. Key points:  In non-zero span mode, once you select Auto, the analyzer will choose the shortest

sweep time according to current parameter setting, such as RBW, VBW and so on.  Decreasing sweep time will speed the measurement. But if your specified time is

less than the shortest sweep time in Auto coupling, it will lead to error in

measurement, and “UNCAL” will be shown at the status bar of the screen.  You can modify this parameter by numeric keys, knob and arrow keys.

Table 2-15 Sweep time

*Note: in non-zero mode, minimum is 10 ms.

Mode

Set the sweep mode to Single or Continue, the default is Continue. The icon for selected mode will be shown at the left status bar of screen.

1. Single

Set the sweep mode to Single and the number 10 in parameter icon shows the current sweep number.

2. Continue

Set the sweep mode to Continue. The “Cont” in parameter icon denotes the

analyzer is sweeping continuously.

Parameter

Description

Default

50 ms

Range*

20 us ~ 1500s (P4130); 2200s (P4135) 3000 s (P4140)

Unit

Ks, s, ms, us

Knob Step

Sweep time/100, Min = 1ms

Arrow Keys Step

In 1-1.5-2-3-5-7.5 sequence

Key points:

 In single mode, when pressed, the system enter into continue sweep mode and will

sweep when trigger condition allows.  In continue mode, the system send initialization signal automatically and enter into

the judement program directly when each sweep finishes.

Single

In single sweep mode, the menu is used for the initialization of trigger. After executing, the system will sweep (or measure) as specificed numbers when trigger

condition allows. Key points:  In continue mode, when select Single menu, the system enter into signle sweep

mode and will sweep with specified numbers when trigger condition allows.

 If the sytem has been already in signle mode, selecting this menu will make

anlalyzer sweep (or measure) as specified number when trigger condition allows.

 In single sweep mode, the system needs to execute the trigger initialization first and

then judge the trigger condition.

Ponits

Set the desired points for each sweep. That is the points of current trace. Key points:  When sweep time is limited by smapling rate of ADC (Analog to Digital Converter),

modifying the sweep numbers will affect sweep time. That is, the more pionts, the longer sweep time wil be.

 Modifying the numbers also influences other system parameters, so sytme will

restart sweep and measure.

 You can modify this parameter by numeric keys, knob and arrow keys. For more

details, please refer to “Parameter Input”.

Table 2-16 Sweep pionts

Hint

 Along with the increasing of the sweep points (more than 601), the resolution of

marker point will be increased too, but the sweep speed will be decreased.

 Except of Sweep Points, other parameters also influence the speed of sweep,

like Span, RBW, VBW, Detector Type and Center Frequency.

SWT Count

Set the number of time for a single sweep. The system will execute specified

numbers of sweep and the number in icon shown at the left status bar of screen

changes along with the process of sweep.

Table 2-17 Sweep Count

Parameter

Description

Default

601

Range

101 ~ 3001

Unit

Knob Step

Arrow Keys Step

100

Trigger Set the parameters of trigger function.

Trig Type

The trigger type includes Free Run, Video and External. Each icon of selected type

will be shown at the left of screen.

1. Free Run

Whenever the trigger ocnidtion is satisfied, the analyzer will generate trigger signal

continuously.

2. Video

When detected voltage of a video signal exceed the video trigger level you specified, the analyzer will generate the trigger signal. This mode is invalid for non-zero span, RMS Avg of zero span and Voltage Avg of detector.

3. External

Input an external signal (TTL signal) through [TRIGGER IN] connector on rear panel.

When the trigger condition is satisfied, the analyzer will generate trigger signals.

Trig Setup

1. Trig Level

When you select trigger level in Video Mode, the trigger level line and value will be

shown in the screen. You can modify this parameter by numeric keys, knob and arrow keys. For more details, please refer to “Parameter Input”. Table 2-18 Trigger level

*Note: This is in conncetion wit unit of current selected Y-axis.

2. Trig Edge Set the trigger edge in External mode to Pos or Neg of Pulse.

Trace

Sweep signal is shown as trace on screen.

Select Trace

Analyzer can show 3 traces at most with different trace color (Trace 1-yellow, Trace 2- light blue, Trace 3-red). Trace 1, 2, 3 can be set by users and trace 4 is formed by math operation on base of other 3 traces. Select trace and set related parameters of them. The default is Trace 1 and trace type is Clear Write.

Note：The current trace shown on the screen could be saved in analyzer or external

Parameter

Description

Default

Range

1 ~ 9999

Unit

Knob Step

Arrow Keys Step

Parameter

Description

Default

0 dBm

Range

-300 dBm ~ 50 dBm

Unit*

dBm

Knob Step

1 dBm

Arrow Keys Step

10 dBm

memory and recall when needed. User can press “Save” key to store the data, detail

method is descriped in “Save”.

Trace Type

Set the type of the current trace or disable it. The system calculates the sample data with a specific operation according to the slected trace type and finally displays the result. Trace type includes Clear Write, Max Hold, Min Hold, Video Avg, Power Avg and Freeze. Each icon of selected type will be shown at the left of screen. Take Trace 1 for example as below:

Figure 2-7

1. Clear

Clear all the data saved for previous trace and continuously displays the signals that are the data of points during the sweep.

2. Max Hold

Maintains the maximum for each point of the trace, and updates each trace point if a new maximum is generated in successive sweeps.

3. Min Hold

Maintains the minimum for each point of the trace, and updates each trace point if a new minimum is generated in successive sweeps.

4. Video Avg Display the trace after a logarithmic mean is calculated for each point of the trace in successive sweeps. Traces in this type are smoother.

5. Power Avg Display the trace after an average for each point of the trace in successive sweeps. Traces in this type are smoother.

6. View Hold and display the amplitude data of selected trace. Register stop updating trace data in order to view and read the data. This type is generally used by traces from the storage devices or remote interface download to system, the default type is View.

7. Blank Disable the trace display and all measurement based on trace.

Average Times

Set the average times of trace.

Key points:  More averaging will reduce the noise and influence of other random signals, also

better display the stable signal characteristics. The more averaging takes, the smoother the trace will be.

 You can modify this parameter by numeric keys. For more details, please refer to

“Parameter Input”.

Table 2-19 Average Times

Parameter

Description

Default

100

Range

1 ~ 1000

Unit

Knob Step

Arrow Keys Step

Math

1. Function

Set the computational method of the math trace.

 A-B: subtract Trace B from Trace A.  A+Constant: add a constant to Trace A.  A-Constant: subtract a constant from Trace A.

2. A

Assign a value to A from Trace 1, Trace2 or Trace 3. The default is Trace 1 (“T1”).

3. B

Assign a value to B from Trace 1, Trace2 or Trace 3. The default is Trace 1 (“T2”).

4. Constant Set the value of constant for math trace.

You can modify this parameter by numeric keys. For more details, please refer to “Parameter Input”.

Table 2-20 Constant in math operation

5. Operate

Enable or disable the display of math trace, the default is off.

All Clear

Clear all trace on screen. Advanced measurement stop when as there is no available data source.

Parameter

Description

Default

0 dB

Range

-300 dB ~ 300 dB

Unit

Marker Measurement Marker

The marker shows as a rhombic sign for marking the trace point. Easy for user to readout the amplitude, frequency and sweep time of each point through marker.

Key points:

Screen can show 4 pairs of marker at most, but only one pair or one single marker is active every time. In marker menu, you can input frequency and time by numeric keys, knob and arrow keys, also view the readout of point on trace.

Marker Select

Select one marker from four, the default is Marker 1. Then select other parameters such as marker type, marker trace and readout type for this marker. The enabled marker will appear on the selected trace through the Marker Trace option. And the readout of active marker located on marker place will be displayed in active function area and upper right of screen. Table 2-21 Marker parameters

Normal

Normal is one of marker type, used to measure X (frequency or time) and Y (amplitude) of one point on trace. When selected, a marker with current number will appear on trace.

Key points:  If there is no active marker, pressing this key will enable a marker at the palce of

center frequency for current trace. If there is active marker, it will be enalbled after pressing this key.

 You can shift the marker by numeric keys, knob and arrow keys and the readout of

current marker will be shown at the upper right of screen.

 The resolution of X-axis (frequency or time) readouts corresponds to the span, you

can lower span to get higher resolution for readout.

Delta

Delta is one of marker type, used to measure the difference between “reference

marker” and “certain point on trace”: X value (frequency or time) and Y value

(amplitude). When this type selected, a pair of markers will appear on trace,

Reference Marker (indicated with number and letter “R”, like “1R”) and Delta Marker

(indicated with number, like “1”).

Parameter

Description

Default

Center frequency

Range

0 ~1.5GHz (P4130);0 ~2.2GHz (P4135) 0 ~3.0GHz (P4140)

Unit

Readout=Frequency(or Period), unit is GHz, MHz, kHz, Hz (or ks, s, ms, us, ns, ps) Readout=Time (or 1/△ time), unit is ks, s, ms, us, ns, ps (or GHz, MHz, kHz, Hz)

Knob Step

Readout=Frequency(or Period), step=span/(sweep points-

1) Readout=Time (or 1/△ time), step=sweep time/(sweep points-1)

Arrow Keys Step

Readout=Frequency(or Period), step=span/10 Readout=Time (or 1/△ time), step=sweep time/10

Key points:

 If there is active marker, pressing this key will enalble a reference marker at the

place of current marker. Or else both the reference marker and Delta Marker will be activated together at the position of center frequency.

 The position of Reference Marker is always fixed (X and Y), but the Delta Marker

can be shifted by numeric keys, knob and arrow keys if it is active.

 The differences of frequency (or time) and amplitude between two markers are

shown at the upper right of screen.

 The methods of making one point as reference:

a) Open a Normal Marker and place it on one point. Then switch the marker type to

Delta and this point becomes reference by changing the position.

b) Open a Delta Marker and place it on one point. Then select Delta menu again, so

that Reference Marker is located on this point and be available to measure the delta by changing the position.

 Enable “Noise Marker” function under Marker Fctn menu, then the result of noise

measurement will be more accurate by auto correction and be normalized to 1Hz.

The application of Delta Marker: to measure the signal-noise ratio of single spectrum signal. For example, place the Reference Marker at the position of signal and Delta Marker at the position of Noise, the measuring amplitude is the signal-noise ratio.

Delta Pair

Delta Pair is one of marker types. When selected, a pair of markers will appear on

trace, which are Reference Marker (indicated with number and letter “R”, like “1R”)

and Delta Marker (indicated with number and letter “D”, like “1D”).

Key points:

 You can adjust the position of reference marker (select “reference”) and Delta

Marker by numeric keys, knob and arrow keys.

 The difference between Delta Pair and Dalta: you just can modify the delta point in

Delta type, but you can modifiy both delta point (select Delta option) and reference

point (select “Reference” option) in Delta Pair type. Additioally, X and Y keeps

unchanged during sweep in Delta type, but the Y-axis change along with sweep while X-axis keeps unchanged in Delta Pair type.

Span Pair

One of the marker types. When selected, a pair of markers will appear on trace,

which are Referenece Marker (indicated with number and letter “R”, like “1R”) and

Delta Marker (indicated with number and letter “D”, like “1D”).

Key points:

 You can adjust the position of reference marker (select “reference”) and Delta

Marker by numeric keys, knob and arrow keys at the same time.

 When select “Range”, adjusting “Span Pair” will keep the center position of two

markers and just move them to sides ( value increasing) or center (value decreasing).

 When select “Center”, adjusting “Span Pair” will keep the relative distance and just

move the center to left (value increasing) or right (value decreasing).

 The difference between Span Pair and Dalta: you just can modify the delta point in

Delta type, but you can modifiy both delta point (select Delta option) and reference point (select “Reference” option) in Span Pair type at the same time.

Off

Turn off the current selected marker. All the information and related functions will also be turned off.

Marker Trace

Select one trace for current marker from 1, 2, 3 Math and Auto (default). When

select Auto, the system will search desired trace in the order of “Clear Write”, “Max Hold”, “Min Hold”, “Video Avg”, “Power Avg” and “Freeze”. If search more than two

traces as result, it will be selected in sequence of trace number 1, 2, 3 accordingly.

Readout

Set the readout type for X-axis. You can set different type for each marker, which just change the reading mode, not actural value. This setting will influence the marker readout shown in active area and upper right of screen.

1. Frequency

In this type, Normal marker shows the absolute frequency, and the other types (Delta, Delta Pair and Span Pair) show the frequency difference between the Delta Marker and Reference Marker. In non-zero span mode, default readout type is Frequency.

2. Period

In this type, Normal marker shows the reciprocal value of frequency, and the other types (Delta, Delta Pair and Span Pair) show the reciprocal value of frequency difference between the Delta Marker and Reference Marker. When the frequency difference is zero, the displayed value is inifite and shown as 10Ts. This readout type is invalid in Zero span mode.

3. △Time

In this type, Normal marker shows the time difference between the marker and sweep start, and the other types (Delta, Delta Pair and Span Pair) show the sweep time difference between the Delta Marker and Reference Marker. In Zero span mode, the default readout type is Time.

4. 1/△time

In this type, the analyzer shows the reciprocal value of time difference between the Delta Marker and Reference Marker. When the sweep time difference is zero, the displayed value is inifite and shown as 100THz. This readout type is only available when Delta Marker selected under Zero span mode, applicable for measuring of the frequency of video signal.

Marker Fctn

Set special measuring functions of marker such as Noise Marker, N dB BW and Frequency Count.

Select Marker

Select marker to be used for the specific measuring, the default is Marker 1.

Noise Marker

Execute the Noise function for the selected marker and reads the Power Spetral

Density. Key points:  If current marker under Marker menu is off, pressing this key will enable it to Normal

type, and then measure the average noise level at the marked point and nomarlize the value to 1Hz bandwidth. During this process, the system compensates

according to different detector modes and trace types. With the mode of “RMS Avg”

and “Sample”, the measurement will be more accurate.

 If the Delta Function of marker is on, the noise marker will be enabled and moved to

the floor noise to be measured, in this case, the readouts shows the Sig./Noise ratio.

N dB BW

Enable the function of N dB bandwidth measurement or se the value of N dB. The N dB denotes the frequency difference points that are located on both sides of the current marker while the amplitude falls off (N<0) or rises (N>0) N dB sperately, see below figure 2-8:

Figure 2-8

Key points:  After measurement starts, the analyzer first search the two points locate at boths

sides of current marker with amplitude difference N dB. If the points are searched, the frequency difference between them will be shown in active area. Or else the sign “---” shows that the search failed.

 You can modify N value by numeric keys, knob and arrow keys. For more details,

please refer to “Parameter Input”.

Table 2-22 N dB BW parameter settings

4. Function Off

Disable the function of Noise Marker and N dB BW, but not the markers.

Marker Table

Open or close the marker table. When the table opened, all opened markers are listed on table and shown on the lower window of screen, including Marker number, Marker trace number, readout type, X-axis reading and amplitude. User can watch several measurements of points and up to 8 markers at the same time. Note: The opened table can be saved in the external memory and recalled when needed. User can press Save key to store the data, detail method is descriped in “Save”.

Parameter

Description

Default

-3 dB

Range

-100 dB ~ 100 dB

Unit

Knob Step

0.1 dB

Arrow Keys Step

1 dB

Figure 2-9

All Off

Turn off all the markers and related functions.

Freq Count

Frequency counter reading

Figure 2-10

1. On/Off

Turn on or off the frequency counter.

Key points:  If no active marker selected, turing on the frequency counter will open a Normal

marker automatically.

 When frequency counter opened, the frequency readouts will be more accurate.  In Zero span mode, the frequency counter is enabled to measure the frequency of

center frequency nearby.

2. Resolution

You can set the resolution of frequency counter by Manual of Auto. The available resolutions are 1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz and 100 kHz.

Table 2-23 The resolution of frequency counter

Parameter

Description

Default

1 kHz

Range

1 Hz ~ 100 kHz

Unit

GHz, MHz, kHz, Hz

Knob Step

10 times

Arrow Keys Step

10 times

Peak Search

Open the Peak searching menu and execute the searching function.

Key points:  If select Max in option of Peak Search, it will search the maximum on trace and

mark it.

 If select Param in option of Peak Search, it will search and mark the peak that

meets the condition of the parameter.

 Next Peak, Peak Right, Peak Left or Peaks in the peak table must meet the

specified parameter condition.

 The spurious signal at the zero frequency caused by LO feed will note be taken as

Peak.

 If there is no peak meets the specified condtions, the system will prompt message

“No peak found”.

Next Peak

Search and mark the peak whose amplitude is the closest to the current peak’s and

meets the searching condition. If there is no next peak, marker will not move.

Peak Right

Search and mark the nearest peak on the right of current peak and meets the searching condition. If there is no peak on the right, marker will not move.

Peak Left

Search the nearest peak on the left of current peak and meets the searching condition. If there is no peak on the left, marker will not move.

Peak Min

Search and mark the minimum amplitude on trace.

Peak P-P

Search the Peak and Minimum at the same time, and then mark them by Delta Pair. Peak is marked by Delta and Minimum is marked by Reference.

Cont Peak

Turn on or off the Continue Search, the default is off. When this type is selected, once sweep finishes, the analyzer will search a peak automatically to trace the measured signal.

The difference between Cont Peak and Signal Track: Cont Peak always search the maximum in current channel, but Signal Track only track the signal with same amplitude of marker before enabling this function, and set the frequency of this signal as center frequency.

Peak Para

Definite the conditions of peak search for various peak searching. Only for the both satisfaction with “PkExcursion” and “Peak Threshold”, the value can be confirmed as Peak.

1. PK Excursion Set the delta between the peak and minimum amplitude on both sides of it. Only peak whose delta are beyond the specified delata are treated as desired peak.

Table 2-24 Peak Excursion

2. Peak Threshold

Specify the minimum amplitude of peak, only peaks whose amplitude beyong the limit can be treated as desired peak. Table 2-25 Peak Threshold

3. Peak Search Set the peak search condition to Maximum or Parameters.

 If Max is selected, the system searches the maximum on the trace.  If Para is selected, the system searches the peak meet with specified parameter

condition.

 This setting is just available when executing the peak search under Peak menu,

while other searches such as Next Peak, Peak Right, Peak Left and Min Search are all based on the Para you specified.

Peak Table

Open the Peak Table, you will see the peak list that meets the parameter on the lower portion of screen (with frequency and amplitude displayed). The table allows 10 peaks to be shown at most. The opened peak table can be saved in the external memory, also can be recalled

when needed. User can press “Save” key to store the data, detail method is

descriped in “Save”.

1. On/Off Turn on or off the Peak Table, the default is Off.

2. Peak Sort Set Frequency or Amplitude for peak displayed order, the default is Freq.

3. Peak Readout Set the display condition to Normal, >DL or <DL.

 Normal

Display the first ten peak value meets with the search parameter in table.

 >DL

Display the first ten peak values meet with the search condition and amplitude beyond display level.

 <DL

Display the first ten peak values meet with the search condition and amplitude lower than display level.

Parameter

Description

Default

10 dB

Range

0 dB ~ 200 dB

Unit

Knob Step

1 dB

Arrow Keys Step

1 dB

Parameter

Description

Default

-90 dBm

Range

-200 dBm ~ 0 dBm

Unit

dBm, -dBm, mV, uV

Knob Step

1 dBm

Arrow Keys Step

1 dBm

Marker->

Set the other system parameters (such as frequency, Reference level) using the current marker reading. Press Marker -> to enable a marker if none of them are active at present.

Mkr->CF

Set the center frequency of analyzer to be the frequency of current marker.

 If Normal is selected, the center frequency will be set to the frequency of current

marker.

 If Delta, Delta Pair, or Span Pair is selected, the center frequency will be set to the

frequency where Delta Marker is.

 In Zero span mode, this function is invalid. Mkr->Step

Set the CF step of analyzer to be the frequency of current valid marker.

 If Normal is selected, the CF step will be set to the frequency of current marker.  If Delta, Delta Pair, or Span Pair is selected, the CF step will be set to the frequency

where Delta Marker is.

 In Zero span mode, this function is invalid. Mkr->Start

Set the start frequency of analyzer to be the frequency of current valid marker.

 If Normal is selected, the start frequency will be set to the frequency of current

marker.

 If Delta, Delta Pair, or Span Pair is selected, the start frequency will be set to the

frequency where Delta Marker is.

 In Zero span mode, this function is invalid. Mkr->Stop

Set the stop frequency of analyzer to be the frequency of current valid marker.

 If Normal is selected, the stop frequency will be set to the frequency of current

marker.

 If Delta, Delta Pair, or Span Pair is selected, the stop frequency will be set to the

frequency where Delta Marker is.

 In Zero span mode, this function is invalid.

Marker Δ->Span

Set the span of analyzer to be the difference between the two markers in type of of Delta, Delta Pair or Span Pair. In Zero span mode, this function is invalid.

Mkr->Ref

Set the reference level of analyzer to be the amplitude of current valid marker.

 If Normal is selected, the reference level will be set to the amplitude of current

marker.

 If Delta, Delta Pair, or Span Pair is selected, the reference level will be set to the

amplitude where Delta Marker is.

Shortcut Auto Tune

Search for signals antomatically throughout the whole range and adjust the frequency and amplitude to their best status and realize one-key signal search and auto setting of parameters.

Figure 2-11 Befor the Auto Tune

Figure 2-12 After the Auto Tune

Key Points:

 When executing this function, the backlight of Auto is on and “Auto Tune” is shown

on the status of screen. Once finish the searching, the backlight will turn off and the icon “Auto Tune” will disappear on status bar.

 In the process, once you press the Auto key, the analyzer will stop the search.  The parameters such as Reference level, scale, input attenuation and max mixing

level will be changed during the searching progress.

Display

Control the screen display of the analyzer, such as the display line, full screen, active area and Scr State.

Display Line

Turn on or off the display line or changes its location, which can be used for

reference of readouts or threshold value for the peaks displayed in the peak value. Key points:  Display line is a horizontal reference that ampliuted is equal to specified value, the

amplitude unit of which is same as the one of Y-axis.  You can adjust the display line by numeric keys, knob and arrow keys.

Full Screen

Switch to full screen state, the menus on right of screen and the parameters on the left of screen will both disappear. Pressing this key again will exit the full screen state and easy for user to watch the detail trace information.

Active Fctn

Select the position in which the active function is displayed for convenient view of

the trace.

Optional is Top, Center, Bottom, the default is Top.

Screen Off

Turn on or off the display, the default is On.

Preset

When this key pressed, the system will return to Factory settings or user defined

state.

System Setup System Setup

Set the parameters on system.

Language

Select Chines or English for display language.

Reset

The function includes: select the instrument setting (Last or Preset) to be recalled after the analyzer is powered on. Set the type for Preset (“Factory Setting” or User Defined). Save the system setting.

1. Power On

Set the power on setting to Last or Preset

 If Last is selected, settings before ths last power-off will be recalled when power on.  If Preset is selected, settings defined in the Preset Type will be recalled when power

on.

2. Preset Type

Select the preset type to “Factory Setting” (default) or “User-defined”.

 If select the power on for preset, the analyzer will recall the preset when power on.  After power on, you can press Preset key to recall the specified Preset Type under

any operation menu.

3. Save Preset

Save the current instrument settings.

I/O Settings

The analyzer supports communication trough the LAN, USB and RS232 interface.

1. I/O interface

Enalbe the LAN, USB and RS232, or disable the all.

2. LAN

Set the information for LAN.

3. USB

Set the information for USB.

4. RS232

Set the information for RS232 Ref Source

Select the internal or external reference source, the default is internal.

Source

The menu key is used to enable or disable the tracking generator, also to set the amplitude of tracking signal output. The source function is only valid for the analyzer with tracking generator option.

Source

To set the tracking generator output to be On or Off. Default is Off.

Amplitude

To set the amplitude of tracking generator output.

Normalize

Connect the GEN OUTPUT 50Ω output of TG with the RF INPUT 50Ω input of the analyzer. Then press Normalize key to eliminate the measurement error caused by its frequency response.

Meas The analyzer provides advanced measurement function including Channel Power,

Adjacent Channel Power and Occupied Bandwidth.

Channel Power Channel Power

Measures the total power of signal within the specified channel bandwidth, which

includes the Channel Power and Power Density. Channel power： the power within the integral bandwidth Power Density： the power normalized to 1Hz within the integral bandwidth.

Select Channel Power measurement under Meas function and press Meas Setup to

set corresponding parameters. Integ BW

specify the range of integration used in calculating the power in the channel Limit

set the level for Channel Power and Power Density measurements.

Press Limit key to display the status of Level, including the Total Level, Channel

Power Level and Power Density Level. Default is Off. Only enable the Total Level,

the Channel Power Level and Power Density Level will be displayed.

If you want to set the Level Parameters for Channel Power measurements, first

make the Channel Power Level to be On, there will be two options Power Max and

Power Min.

CP Max ：set the maximum of level

CP Min ： set the minimum of level

For example, to measure a transmitter module with the power channel ranges from -

10dBm to 0dBm, you can set the max. power to be 0dBm and min. power to be -

10dBm.

The setting for Power Density Level parameters is same.

Adjacent Channel Power (ACP) ACP

Measures the powers of the main channel and adjacent channels as well as the

power difference between the main and each of the adjacent channels. The

adjacent channels have same channel bandwidth with the main channel, or set

user’s demand.

Select ACP measurement under Meas function and press Meas Setup to set

corresponding parameters, which includes Integ BW, Offset/Limits, Meas Type,

Total Pwr Ref and Limits.

Integ BW sets the bandwidth for main channel

Offset/Limits includes Offset, Offs Freq, Ref BW, Neg Limits, Pos Limits, En. Offset： selects one to six adjacent channels. Offs Freq： sets the frequency of offset carrier Ref BW： sets the bandwidth for adjacent channels Neg Limits： sets the threshold parameters for left adjacent channels

Pos Limits： sets the threshold parameters for right adjacent channels

En： opens or closes the adjacent channels from one to six channels

Meas Type selects measurements type as Total Pwr Ref or PSD Ref. Default is Total

Pwr Ref.

Total Pwr Ref sets total power reference to be Manual or Auto

Auto the total power reference is set automatically Manual the total power reference is set manually

Occupied Bandwidth (OBW)

Calculates the power within the whole bandwidth by integral operation and computes the occupied bandwidth by this value based on the specified power ratio. Default occupied bandwidth percentage is 99%.

Select OBW measurement under Meas function and press Meas Setup to set corresponding parameters, which includes Max Hold, % Pwr, OBW Span, n dB and Limits.

Max Hold： enables or disables the Max Hold, default is Off. When enabled, the

function of which is same as the one of Trace.

％ Pwr ： sets the occupied bandwidth percentage, that is the percentage of signal

power occupied within integral bandwidth power.

OBW Span： sets the integral frequency range in main channel, span will be set as the

integral bandwidth

n dB ： sets the n dB value for calculates the transmitting bandwidth Limits： the menu includes OBW, CW Offs and ACP

OBW ： sets the limitation to Occupied Bandwidth CW Offs ： sets the limitation to frequency offset Chain Pwr： sets the limitation to channel power

Chapter 3 Remote control

Users can control this series of digital Spectrum Analyzers through USB, LAN and RS232 remote interface. This chapter introduces the basic information and method of remote control of the instrument.

The contents of this chapter are as follows:

 Remote control overview (refer to the Spectrum Analyzer software instructions)  Remote control method (refer to the Spectrum Analyzer software instructions)

Chapter 4 Specifications

 Warm up for 30 minutes before operation.  The instrument is within calibration period and self-calibration has been done.

Specifications

1. Frequency

1.1 Frequency Range

Range P 4130

9kHz to 1.5GHz

P 4135

9kHz to 2.2GHz

P 4140

9kHz to 3.0GHz

Resolution

1Hz

1.2 Internal reference frequency

Reference frequency

10MHz

Aging rate

<5×10-6/year

Teperature stability

<5×10-6 (20 ℃ to 30 ℃)

1.3 Frequency reading precision

Cursor frequency resolution

span/ (sweep points-1)

Cursor frequency uncertainty

± (cursor frequency reading×reference frequency uncertainty+1%×span+10%× resolution bandwidth+ cursor frequency resolution)

1.4 Frequency counter

Counter resolution

1Hz, 10Hz, 100Hz, 1kHz, 10kHz, 100kHz

Counter uncertainty

± (cursor frequency reading×reference frequency uncertainty+counter resolution) Note: frequency reference uncertainty= (aging rate×period since adjustment + temperature shift)

Note: frequency reference uncertainty= (aging rate×period since adjustment +

temperature shift)

1.5 Frequency span

Range P 4130

0Hz, 100Hz to 1.5GHz

P 4135

0Hz, 100Hz to 2.2GHz

P 4140

0Hz, 100Hz to 3.0GHz

Uncertainty

±span/ (sweep points-1)

1.6 SSB Phase Noise

Carrier offset

<-80dBc/Hz (@10 kHz, fc＜1.0GHz)

1.7 Bandwidth

Resolution bandwidth (-3dB)

10Hz to 1MHz, step is 1-3-10; 9kHz, 120kHz

RBW precision

<5%, nominal value

Resolution filter shape factor (60dB: 3dB)

<5, nominal value

Vedio bandwidth (-3dB)

1Hz to 1MHz, step is 1-3-10

2. Amplitude

2.1 Measurement range

Range P 4130

10MHz to 1.5GHz DANL to +30 dBm

P 4135

10MHz to 2.2GHz DANL to +30 dBm

P 4140

10MHz to 3.0GHz DANL to +30 dBm

2.2 Maximum input level

DC voltage

50V

Continuous wave RF power

+30dBm (1.0 W)

Maximum damage level

+40dBm (10W)

2.3 DANL

0 dB attenuation, RBW=VBW=100 Hz, sample detector, trace average≥ 50

Display Average Noise Level (preamplifier off)

100kHz to 10MHz

-90dBm, typical value-110dBm

10MHz to 1.5GHz (P4130)

-120dBm+6 x (f/1GHz)dB, typical value -125dBm

10MHz to 2.2GHz (P4135)

10MHz to 3.0GHz (P4140)

Display Average Noise Level (preamplifier on)

100 kHz to 30MHz

- 90dBm, typical value -110dBm

30MHz to 1.5GHz (P4130)

-135dBm+6 x (f/1GHz)dB, typical value -140dBm

30MHz to 2.2GHz (P4135)

30MHz to 3.0GHz (P4140)

2.4 Display level

Logarithm scale

1dB to 200dB

Linear scale

0 to reference level

Number of display points

601

Numbers of traces

3+ arithmetical trace

Detection modes

positive peak, negative peak, sample detection, standard detection, RMS, average voltage

Trace functions

Clear write, max hold, min hold, average, view, close

Scale unit

dBm, dBmV, dBμV, V, W

2.5 Frequency response

10dB attenuation, relative to 50MHz, 20℃ to 30℃

Frequency response (preamplifier off)

1.0MHz to 1.5GHz (P4130)

1.0MHz to 2.2GHz (P4135)

1.0MHz to 3.0GHz (P4140)

±1.0dB

Frequency response (preamplifier on)

50MHz to 1.5GHz (P4130) 50MHz to 2.2GHz (P4135) 50MHz to 3.0GHz (P4140)

±1.0dB

2.6 Input attenuation error

Setting range

0 to 50dB, step is 1dB

Switch uncertainty

fc=50 MHz, relative to 10dB, 20℃ to 30℃ <0.5dB

2.7 Resolution bandwidth switch

Uncertainty

100Hz to 1MHz, relative to RBW 1kHz ±0.15dB

2.8 Reference level

Range

-100dBm to +30dBm, step is 1dB

Resolution

logarithm scale 0.01dB

Linear scale

4 digits

2.9 Full-amplitude precision

Full-amplitude precision

95% confedence level, S/N>20dB, RBW=VBW=1 kHz, pre-amplifier is closed, 10dB attenuation,

-10dBm<reference level<0, 10MHz<fc<3.0GHz, within 20 ℃ to 30 ℃ ±1.0dB, nominal value

2.10 Intermodulation

Second Harmonic Intercept (SHI)

+40dBm

Third-order intermodulation (TOI) fc>30MHz

+10dBm

2.11 Spurious responses

Image frequency

<-60dBc

Intermediate frequency

<-60dBc

Residual response, intrinsic

<-80dBm, typical value

Residual response, other: Local oscillators, A/D conversion, subharmonic of first LO, harmonic of first LO

<-60dBc Input related spurious

Mixer level：-30dBm

<-60dBc, typical value

3. Sweep

3.1 Sweep

Sweep time range P4130

100Hz ≤span≤ 1.5GHz ; Zero span 10ms to 1500s

P4135

100Hz ≤span≤ 2.2GHz ; Zero span 10ms to 2200s

P4140

100Hz ≤span≤ 3.0GHz ; Zero span 10ms to 3000s

Sweep time precision

P4130

100Hz ≤span≤ 1.5GHz ; 5%, nominal value

P4135

100Hz ≤span≤ 2.2GHz ; 5%, nominal value

P4140

100Hz ≤span≤ 3.0GHz ; 5%, nominal value

Zero span

0.5%, nominal value

Sweep mode

Continuous, single

4. Trigger

4.1 Trigger

Trigger source

free, video, external

External trigger level

5V TTL level

5. Tracking Generator

5.1 Tracking source

Frequency range 9kHz to 1.5GHz (P4130)

9kHz to 2.2GHz (P4135)

9kHz to 3.0GHz (P4140)

Output power

-20dBm to 0dBm, step is 1dB

Output flatness

20MHz to 2.7GHz ±3dB 20MHz to 2.2GHz ±2dB 20MHz to 1.5GHz ±2dB

6. Input/output

6.1 RF input

Impedance

50Ω

Connector

N female

6.2 Tracking source output

Impedance

50Ω

Connector

N female

6.3 10MHz reference input/10MHz reference output/external trigger input

Connector

BNC female

10MHz reference input amplitude

0dBm to +10dBm

10MHz reference output amplitude

-3dBm to +3dBm

Trigger voltage

5V TTL level

7. General characteristics

7.1 Display:

Display type:

TFT LCD

Display resolution:

800*480 Pixels

Screen:

7.0 inch

7.2 Remote interface:

Standard interface:

LAN, USB Host, USB Device, RS232

7.3 Power:

Input voltage:

100V to 240V, nominal AC

Power consumption:

35W

AC range:

45Hz to 440Hz

7.4 Temperature

Working temperature:

5℃ to 40℃

Storage temperature:

-20℃ to 70℃

7.5 Dimension

Width x High x Length:

363mm×154mm×327mm

7.6 Weight:

Weight (Device only)

6.0kg

Chapter 5 Appendix

1. Standard accessories:

CD- ROM with User’s Guide and Programmers Guide

Power cord

2. Optional accessories:

BNC-BNC cable

N-SMA adapter

2 antenna (900MHz/1.8GHz)

N-SMA cable

N-BNC adapter

2 antennas (2.4GHz)

3. Options: High stability oscillator

Reference frequency

10MHz

Aging rate

<5×10-7/year

Teperature stability

<5×10-7 (20 ℃ to 30 ℃)

All rights, also for translation, reprinting and copy of this manual or parts are reserved. Reproduction of all kinds (photocopy, microfilm or other) only by written permission of the

publisher. This manual considers the latest technical knowing. Technical changes which are in the

interest of progress reserved. We herewith confirm, that the units are calibrated by the factory according to the

specifications as per the technical specifications. We recommend to calibrate the unit again, after one year.

PeakTech Prüf- und Messtechnik GmbH - Kornkamp 32 - DE-22926 Ahrensburg / Germany

+49-(0) 4102-42343/44 +49-(0) 4102-434 16

 info@peaktech.de  www.peaktech.de

PeakTech 4135, 4130, 4140 Operation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual