Agilent Technologies E7495A RF Manual de Serviço Página 402
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402 Chapter 15
Signal Generator
Using the Signal Generator
Signal Generator
Using the Signal Generator
The Signal Generator is used to check the performance of base station receivers. It
supports both Received Signal Strength Indicator (RSSI) and CDMA Frame Error
Rate (FER) measurements. The Signal Generator provides multiple forward and
reverse-link modulation types. For a complete list of supported modulation types,
press the [Modulation] menu key after you begin the measurement.
CAUTION The maximum power for the RF In (Port 1) and RF Out/SWR (Port 2) ports is
+20 dBm (100 mW). When using the 8481A/8482A or N8481A/N8482A with
Option CFT Power Sensors, the maximum input power applied to the Power Sensor
is +24 dBm (300 mW). When using the 8481D Power Sensor, the maximum input
power is +20 dBm (100 mW). When directly coupled to a base station (BTS) or
Access Network (AN), the test set can be damaged by excessive power applied to
any of these three ports.
To prevent damage in most situations when you directly couple the test set to a base
station, use the high power attenuator between the test set and the BTS.
NOTE The lowest power levels the signal generator can reach for different signal formats
are shown in “Minimum and Maximum Power levels for Generated Signals” on
page 403.
In order to get a lower level, you must use an external attenuator. You can
compensate for the attenuator using RF Out Loss.
NOTE To properly test Bit Error Rate (BER) through the Receiver path on an iDEN
system, the test signal needs to be injected through the system Band Pass Filter or an
external Band Pass Filter. The system Band Pass Filter is usually integrated in the
LNA or the Duplexer, or both.
NOTE It usually takes around 5 to 10 seconds for your chosen signal to be generated, but
some signals (for example, an iDEN signal) can take up to 45 seconds. A progress
indicator shows you the percentage of the signal generation that has been completed.
- Measurement Guide 1
- Technology Licenses 2
- Restricted Rights Legend 2
- Contents 10
- 1 Getting Started 19
- Introduction 20
- Getting Started 21
- Test set options 28
- 34 Chapter 1 34
- Install a Battery 37
- Using the Backpack 41
- 42 Chapter 1 42
- More Information from Agilent 43
- 44 Chapter 1 44
- 2 One Port Insertion Loss 45
- One Port Insertion Loss 46
- 58 Chapter 2 58
- • Non Idle Power 61
- Chan or 63
- GPS time reference, you will 68
- Measurements 69
- 76 Chapter 3 76
- Setting Measurement Offset 84
- Setting the CDP Type 85
- Off. It 89
- Restart key 89
- ASS” or 93
- On and enter the RF 102
- Analyzer Measurement 104
- Non Idle Power 105
- Measurement Results 109
- the target cell is too far 110
- Customizing Your Display 114
- Codogram Display 120
- 4 Two Port Insertion Loss 123
- Two Port Insertion Loss 124
- To Set Sweep: 127
- To Set Averaging: 128
- Single sweep mode 129
- To restart averaging: 129
- Adding a Marker 130
- Chapter 4 133 133
- Meter Only) 134
- Frequency 135
- Normal 136
- Clearing Normalization 137
- Setting Source Level 137
- 138 Chapter 4 138
- Step Notes 138
- Optimizing Dynamic Range 139
- Setting the Pass/Fail Limits 140
- 5 Adjacent Channel Power 141
- Adjacent Channel Power 142
- On. Each time you 148
- On or Off) changes 148
- Signals) 152
- Setting the Control Units 152
- Setting the Range Control 153
- Setting Noise Correction 154
- 160 Chapter 5 160
- (ACLR) Measurements 161
- 6 Working with Batteries 163
- Installing Batteries 164
- Viewing Battery Status 165
- Working with Batteries 166
- Charging Batteries 168
- Reconditioning Batteries 170
- Push to 172
- Recalibrate Left Battery Bay 172
- Battery Care 173
- Battery Specifications 176
- 180 Chapter 6 180
- 7 CDMA Analyzer 181
- Using the CDMA Analyzer 182
- CDMA Analyzer 184
- Manual 184
- Interpreting the Display 187
- Setting the PN Offset 191
- Setting the PN Increment 191
- PN Inc text on the 192
- Setting Units 193
- measurements by the test 194
- Setting Measurement Time 195
- Setting Quick Page Channel 196
- On or Off 201
- 4 Set the upper limit 202
- 7[Mod Format] 210
- On (with the 42.51 dB loss 211
- Measurement 212
- 218 Chapter 7 218
- 8 CDMA Over Air 219
- Using the CDMA Over Air Tool 220
- CDMA Over Air 221
- GPS is selected. If 223
- 230 Chapter 8 230
- Auto or Manual 234
- 5 Set the upper limit 242
- 9 Channel Scanner 261
- Using the Channel Scanner 262
- Channel Scanner 263
- List, and then select the 269
- Cust. Then select the 269
- Displaying Frequency or Power 274
- 10 Distance to Fault 277
- Measuring Distance to Fault 278
- (Manual Frequency Range) 283
- Distance to Fault 284
- RG, BTS 284
- RG or BTS, you will 284
- Cust), you must 285
- (Automatic Frequency Range) 286
- Meters or Feet 287
- Cust (Custom Cable). Proceed 288
- Frequency Range of 289
- Clearing Calibration 290
- Return Loss and the One 291
- Port Insertion Loss 291
- On, the position and the 292
- 11 E1 Analyzer 299
- Making E1 Measurements 300
- E1 Analyzer 301
- Control Button Selections 303
- DSX Service panel Test Set 305
- Sample Monitor Full E1 Test 308
- Rx Tx 309
- Setting Up Delay Test Mode 312
- Turning On Sound 314
- Setting Up E1 Diagnostics 315
- Patterns 316
- Status Indicators 320
- Testing and Fault Mitigation 321
- 324 Chapter 11 324
- Terminology 325
- 12 GSM and EDGE Analyzer 327
- GSM and EDGE Analyzer 328
- Range, Auto, or List 331
- Range or 331
- Auto, go to step 8 331
- List, go to 331
- Auto, you may set Start and 332
- List, you may 332
- ]) in the selected 337
- Settings 339
- Setting your Scan Mode 340
- Setting the Channel Standard 346
- Setting Autoscale 347
- Setting the Reference Level 348
- Setting Scale/Division 348
- Setting the Display Position 349
- Setting Auto Order 350
- Setting Bar Top and Units 350
- Setting Mid-Bar 351
- Setting Zoom 351
- Setting Zoom Offset 352
- Setting Zoom Interval 353
- Setting PvT Mask 354
- Setting Auto Mode Bar Count 354
- Setting Slot Synchronization 355
- Setting TS# (w/ BCCH) 356
- 3 [Limits] 361
- 372 Chapter 12 372
- RMS and Peak Phase Error 374
- 13 Power Meter 379
- Power Meter 380
- 388 Chapter 13 388
- 14 Return Loss 389
- Measuring Return Loss 390
- Return Loss 391
- 15 Signal Generator 401
- Using the Signal Generator 402
- Signal Generator 403
- Using the RF OUT Loss field 410
- Persistent Signal Generator 411
- 16 Spectrum Analyzer 413
- Using the Spectrum Analyzer 414
- Spectrum Analyzer 415
- Freq (frequency) 415
- Chan (channel number) 415
- Setting the Analyzer Detector 420
- Adding or Removing a Marker 426
- Chapter 16 429 429
- Spectrogram Display 435
- On and Off 437
- On, the SEM mask 455
- WCDMA UTRA signals only: The 455
- 458 Chapter 16 458
- 17 Basic System Operations 459
- Basic System Operations 460
- System Reference Introduction 461
- Setting System References 462
- Setting up the DC Bias Option 463
- Printing a Screen to a File 465
- File Naming Options 466
- Select 467
- Saving Data 469
- Managing Media Types 473
- Saving the State 478
- Saving the Power-Up State 478
- Recalling the State 479
- Deleting States 480
- Viewing System Statistics 481
- Viewing Battery Statistics 482
- Using the Option Manager 483
- Installing an Option 484
- Testing System Functions 485
- 486 Chapter 17 486
- 18 T1 Analyzer 487
- Making T1 Measurements 488
- T1 Analyzer 489
- Internal 490
- Sample Monitor Full T1 Test 503
- Sample Emulate CSU/NIU Test 507
- Sample Delay Test 512
- Turning on sound 514
- Setting up T1 diagnostics 515
- Status indicators 519
- Measurement results fields 519
- 528 Chapter 18 528
- Analyzer 535
- Selecting a Reference 537
- RF Connections 538
- Analyzer Measurements 539
- Transmitter Measurement 540
- Multiple-View Display 542
- On 10% of the time 543
- NOTE: You can have QPSK 544
- 546 Chapter 19 546
- Setting the Display Options 548
- Chapter 19 555 555
- Measurement Settings 556
- Attenuators, and Preamps 558
- Enabling PICH and S-CCPCH 564
- Setting the EVM Mode 565
- Setting the IF Equalizer 565
- HSDPA) Analyzer 568
- Δ power metrics are: 570
- 574 Chapter 19 574
- Over Air 575
- Off to remove the location 582
- On 10% of the 585
- 590 Chapter 20 590
- Setting the Scrambling Codes 596
- Slow, Medium, or Fast 602
- Setting the PICH Parameters 604
- HSDPA) Over Air Measurement 608
- Chapter 20 615 615
- 616 Chapter 20 616
- Specifications 617
- Safety considerations 618
- Lifting and Handling 620
- Product Markings 622
- Chapter 21 623 623
- 624 Chapter 21 624
- Chapter 21 625 625
- 626 Chapter 21 626
- Chapter 21 627 627
- 628 Chapter 21 628
- Certification 629
- Manufacturer’s Declaration 629
- 630 Chapter 21 630
- Chapter 21 631 631
- Disposal of Batteries 632
- ≤ ± 0.03 ppm 633
- ± –100 dBm 639
- 646 Chapter 21 646
- 22 Connector Care 647
- Repeatability 648
- RF Cable and Connector Care 648
- Proper Connector Torque 649
- Connector Wear and Damage 650
- Cleaning Procedure 650
- Test Set 652
- Warranty 653
- 24 Glossary 657
- Glossary 658
- Copyright Information 661
- 676 Chapter 25 676
- Index 677 677
- 678 Index 678
- Index 679 679
- 680 Index 680
- Index 681 681
- 682 Index 682
- Index 683 683
- 684 Index 684
- Index 685 685
- 686 Index 686
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