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2-17
Making Measurements
Measurements
The power ramp measurements are divided into three screens where you can view
different parts of the signal and one screen which displays a series of amplitude
values at various times during the burst. These screens can be revealed by
highlighting and selecting from the View field (2):
• Rise Edge - displays the top 30 dB of the rising section of the waveform.
• Top 2 dB - displays the signal during the middle part of the burst allowing
analysis of the ripple of the signal.
• Fall Edge - displays the signal during the falling edge of the burst allowing
analysis of the fall time of the signal.
• Summary - details the amplitude measurements made at the times selected in the
12 time fields. You can choose your own time-positions, or use the default
settings.
The sensitivity of the Agilent 8922M/S receiver can be varied (3) allowing you to
verify whether the input signal level matches the Agilent 8922M/S RF Analyzer.
Valid measurements are only made when the signal is within 3 dB of the RF
Analyzer setting.
Measurement
Summary
The Measurement Summary field on the DSP Analyzer Ampl Main screen displays
whether HI/LO limits set for the measurement display fields, (Ampl1-12, pk+
flatness, or pk- flatness) were exceeded in the last measurement. The possible
Measurement Summary displays are:
Failed
One or more measurement limit was exceeded.
Passed
No measurement limits were exceeded.
- - - -
No measurement limits are set, or, all of the Ampl and Pk measurement displays are
turned off.
A blank field
The blank field is displayed when the measurement is armed. It will remain blank
until the measurement is complete.
Refer to “Pulse Measurements” within this section for a description of Pulse
Measurements. These measurements are available with option 006 only.
- User’s Guide 1
- Contents 3
- Warranty 9
- Limitation of Warranty 9
- Certification 10
- Assistance 10
- Restricted Rights Legend 11
- Statement of Compliance 11
- Sound Emission 12
- Herstellerbescheinigung 12
- Declaration of Conformity 13
- Safety Information 14
- Safety Symbols 16
- Sales and Service Offices 17
- Latin America: 18
- United States: 18
- Description 19
- Typeface Conventions 20
- Using this Chapter 22
- Fuses and Power Cords 23
- Power Cords 24
- Installation Overview 25
- General Information 28
- Making Measurements 29
- Using This Chapter 30
- ACTIVE CELL 33
- SHIFT CELL CONFIG 35
- CELL CNTL ORG CALL 35
- TEST MODE 37
- ORG CALL END CALL 39
- CW GENERATOR 40
- Measurements 41
- CELL CNTL 42
- -27.5 dB -32 dB -51 dB -70 dB 51
- Figure 2-16 59
- MEAS SYNC 60
- Trigger Range For Pulsed RF 61
- SHIFT CELL CNTL 65
- Advanced Features 67
- TION=9C hex (Bit 0 - 157) 70
- About This Chapter 77
- Setting up the Tests 78
- Getting the Right Equipment 79
- Understanding the Tests 82
- Understanding Test Failures 88
- Accuracy (dB) 94
- Power (dBm) 94
- Verifying Performance 106
- Field Types 108
- Bit Error 114
- Bit Error 2 117
- Cell Configuration - GSM 900 122
- Cell Control - Active Cell 133
- 27.9 to +41.0 dBm 135
- Cell Control - Active Cell + 137
- Cell Control - Test Mode 139
- Cell Control - CW Generator 141
- Cell Control 2 143
- RCV CALL 145
- Configure 155
- CW Measurement 160
- Fast Bit Error 162
- I/O Configuration 165
- Measurement Sync 170
- MS Information / Signaling 176
- Oscilloscope, Main Controls 181
- Oscilloscope, Marker Controls 186
- Phase/Freq, Phase Err 197
- Phase/Freq, Data Bits 199
- Pwr Ramp: Rise Edge 201
- Pwr Ramp, Top 2 dB 203
- Pwr Ramp, Fall Edge 205
- Pwr Ramp: Summary 207
- To escape, press 224
- SMS Cell Broadcast 225
- Function Keys 239
- INCR SET 242
- ORG CALL 242
- SHIFT INCR÷10 244
- SHIFT RECALL 245
- Local Keys 246
- Global Keys 247
- Units Keys 248
- Connectors 249
- Timing Diagrams 275
- Messages 285
- Communication Failures 286
- Firmware Error 287
- Sync Status 288
- Protocol Error Messages 289
- Disconnects 292
- Instrument BASIC 297
- Overview 298
- Loading, Storing, and Running 306
- LOCAL SHIFT CANCEL 307
- SHIFT CANCEL 311
- Entering and Editing Programs 312
- Memory Cards 316
- 1 ! FM_TESTS 340
- APPENDIX A 341
- Equipment Required 343
- Agilent 8922M 344
- HP/Agilent 37900D 344
- How to Obtain a Protocol Log 348
- Signal OK 349
- Additional Information 351
- Glossary 365
- Index-10 380
- Index-11 381
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