ADVANTEST R3131

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R3131 Spectrum Analyzer Operation Manual

2.3 Measurement Examples

2-77Apr 10/98

Performing the window sweep

13. Press Window Sweep ON/OFF.

A window sweep is performed. The sweep is completed more quickly because

only the area within the measuring window is swept.

Main Page

Table of Contents4
Introduction14
Product Description14
Accessories15
Standard Accessories List15
Power Cable Options16
Operating Environment17
Environmental Conditions17
Power Requirements18
Power Fuse18
Power Supply Specifications18
Replacing the Power Fuse19
Power Cable20
System Checkout21
Connecting the Power Supply Cable21
Screen Display after Self Tests Have Completed22
Self Test Screen22
Screen Shown after Executing Self Test23
Cleaning, Storing and Transporting the R3131 Spectrum Analyzer24
Cleaning24
Removing the Display Filter24
Storing25
Transporting25
Operation26
Panel Description26
Front Panel26
Screen Annotation35
Rear Panel37
Basic Operation39
Operating Menus and Entering Data39
Displaying Spectrums and Operating the Markers42
Factory Defaults Screen43
Calibration Signal Output Screen43
Active Area Display44
Setting the Center Frequency44
Measuring Settings Screen45
Peak Search Display Screen46
Frequency Difference between the Peak Point and a Point 3 Db Levels down47
Frequency Difference between the Peak Point and a Point 60 Db Levels down47
Measuring Window and the Display Line48
Factory Defaults Screen48
Calibration Signal Output49
Measuring Settings Screen49
Activating the Display Line50
Making a Comparison between Peaks Using Reference Lines51
Screen Display Showing the Measuring Window52
Screen Display after Zoom in52
Measuring Frequency Using Counter53
Factory Defaults Screen53
Calibration Signal Output Screen54
Measuring Settings Screen54
Frequency Counter Measurement (Resolution: 1 Khz)55
Frequency Counter Measurement (Resolution: 10 Hz)55
Auto Tuning56
Screen Display Prior to Auto Tuning56
Screen Display after Auto Tuning57
Tracking Operations58
Signal Tracking Screen59
Continuous Peak Search Screen60
UNCAL Messages61
Measuring Settings Screen62
Screen with UNCAL Message62
Normal Measurement Screen63
Separating Two Signals64
Setup for Measuring Two Signals Separately64
Two Superimposed Peaks65
Two Discernible Peaks66
Two Distinct Peaks Can Now be Seen66
Dynamic Range67
Setup for Verifying the Dynamic Range67
Screen Display Prior to Changing the RBW68
Screen Display after Changing the RBW69
Screen Display after Changing the VBW69
The Trace after Averaging70
2.2.10 Input Saturation71
Setup for Input Saturation71
Screen Display Without Saturation72
Screen Display Showing Saturation73
2.2.11 Harmonic Distortion74
Setup for Measuring Harmonic Distortion74
Screen Display Showing Harmonic Distortion75
Screen Display Showing Reduced Harmonic Distortion76
2.2.12 Intermodulation77
Setup for Measuring Intermodulation77
Screen Display Showing Intermodulation Distortion78
Screen Display Without Intermodulation Distortion79
2.2.13 Calibration80
Screen Display Showing the Cal Menu80
2.2.14 Entering User-Definable Antenna Correction Data81
Editing the Correction Data Table82
Screen Display Showing the User-Definable Correction Data Table83
Measurement Examples84
Measuring the Channel Power84
Setup for Measuring the Channel Power84
Setting the Offset Level85
Setting the Measuring Window86
Measuring the Channel Power86
Measuring the Occupied Bandwidth (OBW)87
Setup for Measuring the Occupied Bandwidth87
Setting the Detector Mode88
OBW Measurement Screen89
OBW(95%) Measurement Screen89
Measuring Adjacent Channel Leakage Power (ACP)90
2.3.3.1 Measurements Using the ACP POINT Method90
Setup for Measuring the Adjacent Channel Leakage Power90
Setting the Specified Bandwidth92
Measurement of the Adjacent Channel Power (ACP POINT)92
2.3.3.2 Measurements Using the ACP GRAPH Method93
Setup for Measuring the Adjacent Channel Leakage Power93
Displaying a Graph as a Result of Operation95
Adjacent Channel Leakage Power Measurements (ACP GRAPH)95
Measuring the VA Ratio96
Setup for Measuring the VA Ratio96
Performing Max Hold97
Measuring the Video Carrier Level98
Measuring the Audio Carrier Level98
Pass-Fail Judgments99
Setup for the Pass-Fail Judgment99
Pass-Fail Measurement Screen100
Level Window Setting Screen101
Measuring Window Screen101
Harmonic Distortion Measurements103
Setup for Measuring the Harmonic Distortion103
Measuring the Fundamental Wave104
Measuring the Harmonic Distortion105
Measurements Using TG (Option 74)106
Setup for TG Measurements106
Measurement Screen after a Normalization Calibration107
Connecting the Unit under Test108
Insertion Loss Measurement Screen109
Other Functions110
Using Floppy Disks110
Floppy Disk Write Protection110
Screen for the F.disk Menu112
Saving or Recalling Data113
Screen Display Showing Floppy Disk as the Destination113
Display for Selecting the Data to be Saved114
Display after Data Has Been Saved to a File115
Screen Display Showing File Protection Enabled116
Screen Display Showing the Selected File117
Screen Display Showing Recalled Data117
Screen as Shown When Deleting a File118
Screen as Shown after Deleting File Data119
Outputting Screen Data120
Screen Display Showing Floppy Disk as the Specified Destination120
Recommended Compatible Printers121
Printer Specification Screen Display122
Printer Setup Screen123
Setting Date and Time124
Time/Date Menu124
Screen Showing the Date Being Set125
Screen Showing the Hour Being Set125
Menu Index128
Menu Map134
Menu Function Descriptions143
AUTO TUNE Key (Auto Tuning)143
BW Key (Bandwidth)144
CAL Key (Calibration)145
CONFIG Key (Configuration)146
COPY Key (Hard Copy)148
COUNTER Key (Frequency Counter)149
DISPLAY Key (Line and Window)150
EMC Key (EMC Measurement)153
FREQ Key (Frequency)155
3.3.10 Hold Mode156
LEVEL Key (Frequency Level)157
LOCAL Key (GPIB Remote Control)159
MEAS Key (Measurement)160
MKR Key (Marker)162
MKR → Key (Marker →)165
PAS/FAIL Key (Pass-Fail Judgment)167
PK SRCH Key (Peak Search)168
POWER MEASURE Key (Power Measurement)169
Obw170
PRESET Key (Initialization)171
RECALL Key (Data Readout)172
REPEAT Key (Continuous Sweep)173
SAVE Key (Saving Data)174
SELF TEST Key (Self Test)175
SINGLE Key (Single Sweep)176
SPAN Key (Frequency Span)177
SWEEP Key (Sweep Time)178
TG Key (Tracking Generator) (Option 74)179
TRACE Key (Trace Data)181
TRIG Key (Trigger)183
Setting Values184
Set Resolution184
Center Frequency Set Resolution Vs. Frequency Span184
Frequency Span Set Resolution Vs. Frequency Span184
Set Values for RBW, VBW and SWP Time185
Values for RBW, VBW and SWP Time (Using AUTO)185
Factory Defaults186
Resolution Bandwidth186
Defaults Configuration Values187
Values for Default Config187
Remote Programing188
GPIB Remote Programming188
GPIB Setup188
GPIB Interface Functions190
Responses to Interface Messages190
Message Exchange Protocol192
Command Syntax193
Data Formats193
Status Bytes195
Arrangement of the Three Status Registers196
Details of the Three Status Registers197
Structure of the Status Byte Register199
GPIB Command Codes201
Sweep Mode203
Sweep Time203
Frequency204
Peak Search205
Pass-Fail Judgment209
Auto Tuning209
Power Measurement210
Data Save/Recall213
Hard Copy215
Status Bytes215
Data Input217
4.1.10 Basic Programming218
Data Output Format (Talker)220
4.1.12 Trace Data I/O224
4.1.13 Using the Status Byte229
Remote Control Function233
GPIB and RS-232 Compatibility233
Features of RS-232 Remote Control233
Parameter Setup Window233
Connection between the Controller and the Spectrum Analyzer234
Cable Wiring Diagram235
Data Format236
Differences between RS-232 and GPIB237
Panel Control237
Remote Control Usage Examples237
Specifications238
Appendix 1 Error Message244
Appendix 2 Glossary A2-1248
Reference Level248
Spurious Response250
Noise Sidebands250
Bandwidth Selectivity251
Bandwidth Switching Accuracy252
Dimensional Outline Drawing254
Alphabetical Index256

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