Agilent Technologies HP8648A Instrukcja Użytkownika Strona 140
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AM Receivers
139
On the Radio set the Receiver’s Controls as follows:
9. Set power to ON.
10. If required, set frequency to the same value as step 4.
11. Set squelch to minimum.
12. Set RF Gain to maximum (if equipped).
13. Slowly increase volume control until the AC Level reaches the Receiver’s
rated output power, or reaches a maximum level (stops increasing).
Refer to audio output specifications for the Receiver being tested as
required.
NOTE: If the rated output cannot be obtained, troubleshoot and repair the Receiver’s
audio stages is necessary.
Measurement results are displayed on the Test Set as shown.
To Screen
RX TEST
AC Level
Filter 1
50Hz HPF
Filter 2
15kHz HPF
Atten Hold
On/Off
Ext Load R
8.00
Ω
RF GEN
RF ANL
AF ANL
SCOPE
SPEC ANL
ENCODER
DECODER
RADIO INT
More
W
dB
2.036
SINAD
RF Gen Freq
28.310000
MHz
Amplitude
-47.0
dBm
Output Port
RF Out/Dupl
AFGen1 Freq
1.0000
kHz
AFGen1 To
30.00
%
AM
AFGen2 Freq
1.0000
kHz
AFGen2 To
Off
FM
0 23.99 24
Audio (AF)
Output Power
- RF Communications Test Set 2
- Application Handbook 2
- Manufacturer’s 4
- Declaration 4
- Herstellerbeschei 4
- Considerations 5
- LIMITATION OF 8
- WARRANTY 8
- EXCLUSIVE 8
- REMEDIES 8
- DECLARATION OF CONFORMITY 9
- Contents 12
- Product Description 26
- Features 27
- Specifications 28
- The Test Set’s Features 29
- DATA FUNCTIONS 33
- CURSOR CONTROL 33
- SQUELCH Control 35
- SSB signals 35
- SCREEN CONTROL 36
- INSTRUMENT STATE 36
- DATA FUNCTIONSUSER DATA 36
- USER DATA 38
- PUSH TO SELECT 40
- Measurements Considerations 44
- Measurement Guideline 1 45
- Measurement Guideline 2 46
- Measurement Guideline 3 47
- Measuring Audio Output Power 48
- Coded Squelch 48
- Measurement Guideline 4 49
- Testing FM Radios 50
- FM Transmitters 53
- 145.280024 59
- 2.03 1.00004 59
- 144.680040 61
- 0.591 1.00007 61
- 145.890058 67
- 0.587 0.10354 67
- Decoder Option 69
- ANSI/EIA-RS-152-C, RS-316-B 75
- 145.279974 76
- 2.05 3.4 76
- FM Receivers 80
- Reference is RS-204D 84
- Test Load 103
- ANSI/EIA/TIA-204D 106
- Testing AM Radios 116
- Introduction 117
- List of Tests 118
- AM Transmitters 119
- SPECTRUM ANALYZER 120
- 28.310075 125
- 18.9 0.99951 125
- 0.169 3.579 125
- 28.310176 128
- 18.3 0.99852 128
- 18.3 12.8 130
- 1000 MHz 131
- 27.064762 135
- 4.58 1.00001 135
- AM Receivers 137
- Set screen 138
- 0.004040 143
- Testing SSB Radios 160
- SSB Transmitters 163
- -0.119 3.579 166
- 28.310885 166
- 19.5 0.16522 166
- SSB Receivers 174
- List of Measurements 190
- Using the Spectrum Analyzer 191
- TRANSMITTER UNDER TEST 192
- ANTENNA 192
- (RF OUTPUT) 192
- Description 197
- Tracking Generator option 201
- Using the Tracking Generator 206
- DEVICE UNDER TEST 207
- AUDIO IN 217
- DUPLEX OUTRF IN/OUT 217
- On the Test Set: 220
- 11636A), and a 50Ω Load 220
- ANT INDUPLEX OUTRF IN/OUT 225
- AUDIO OUTSQUELCHVOLUMEMIC/ACC 227
- DUPLEX TEST 229
- Oscilloscope Measurements 234
- Using the Oscilloscope 236
- Oscilloscope Overview 237
- Configuring for Measurements 244
- References 250
- Manuals 251
- Application Note 252
- Specifications and Standards 253
- HP 8920A Specifications 254
- RF Frequency 256
- Spectral Purity 258
- TDMA Signal Generator 261
- Audio Source Specifications 262
- RF Analyzer Specifications 263
- RF Frequency Measurement 264
- FM Measurement 265
- AM Measurement 266
- SSB Measurement 267
- TDMA Analyzer 268
- AF Analyzer Specifications 269
- Distortion Measurement 270
- SINAD Measurement 270
- Audio Filters 271
- Oscilloscope Specifications 272
- Frequency 273
- Tracking Generator 274
- Adjacent Channel Power 275
- Resolution 275
- Signaling (Option 004) 277
- DC Current Meter (Option 103) 278
- 100 mA) 278
- TCXO (Standard) 280
- (Option 001) 280
- Save/Recall Registers 281
- General Specifications 282
- HP 8920B Specifications 284
- “nominal” 285
- −116 dBc/Hz 288
- DC Current Meter 306
- Remote Programming 307
- Memory Card Specifications 308
- Glossary 312
- Frequency Measurement 320
- , 87, 140 320
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