User's Manual
Table Of Contents
- 1 1 Getting Started With The Test Set
- 2 2 Measurements Considerations
- 3 3 Testing FM Radios
- FM Off The Air Monitoring/Determining Unknown Tran...
- FM Output Power, Deviation, and Frequency/Frequenc...
- FM Deviation and Symmetry Measurement
- FM Microphone Sensitivity and Modulation Limiting ...
- FM CTCSS Encoder Frequency and Deviation Measureme...
- FM CDCSS Coding and Deviation Measurements
- FM DTMF Encodes and Deviation Measurement
- FM Audio Distortion Measurement
- FM Harmonics and Spurious Output Measurement
- FM Audio Output Power Measurement
- FM SINAD, Receiver Center Frequency, and Modulatio...
- FM Variation Of Sensitivity With Signal Frequency ...
- FM 20 dB Quieting Sensitivity Measurement
- FM Critical and Maximum Squelch Sensitivity Measur...
- FM CTCSS Sensitivity and Bandwidth Measurement
- FM CDCSS Sensitivity Measurement
- FM Audio Frequency Response Measurement
- FM Audio Distortion Measurement
- FM Spurious Response Attenuation Measurement
- 4 4 Testing AM Radios
- AM Off The Air Monitoring/Determining Unknown Tran...
- AM Output Power, Deviation, and Frequency/Frequenc...
- AM Microphone Sensitivity and Modulation Limiting ...
- AM Audio Distortion Measurement
- AM Harmonics and Spurious Output Measurement
- AM Envelope Display Measurement
- AM Audio Output Power Measurement
- AM Sensitivity Measurement
- AM AGC Measurement
- AM Squelch Sensitivity Measurement
- AM Audio Frequency Response Measurement
- AM Audio Distortion Measurement
- AM Spurious Response Attenuation Measurement
- 5 5 Testing SSB Radios
- 6 6 Spectrum Analyzer Measurements
- Measuring Transmitter High/Low Power Signals
- Field Strength Measurements
- Analyzing External Transmitter Inter-modulation Di...
- Basic Measurements with the Tracking Generator
- Antenna Return Loss (VSWR) Measurement & Tuning
- 1/4 Wave Coaxial Filter Tuning (Swept)
- Cable Fault Locations
- Passive Cavity Insertion and Return Loss Measureme...
- Repeater System Effective Sensitivity Measurement
- 7 7 Oscilloscope Measurements
- 8 8 Configuring for Measurements
- 9 9 References
- 10 10 HP 8920A Specifications
- RF Frequency
- Output
- Spectral Purity
- FM
- AM
- TDMA Signal Generator
- Frequency
- Output Level
- RF Power Measurement
- RF Frequency Measurement
- FM Measurement
- AM Measurement
- SSB Measurement
- TDMA Analyzer
- Frequency Measurement
- AC Voltage Measurement
- DC Voltage Measurement
- Distortion Measurement
- SINAD Measurement
- Audio Filters
- Frequency
- Tracking Generator
- Adjacent Channel Power
- TCXO (Standard)
- OCXO (Option 001)
- 11 11 HP 8920B Specifications
- RF Frequency
- Output
- Spectral Purity
- FM
- AM
- TDMA Signal Generator
- Frequency
- Output Level
- RF Power Measurement
- RF Frequency Measurement
- FM Measurement
- AM Measurement
- SSB Measurement
- TDMA Analyzer
- Frequency Measurement
- AC Voltage Measurement
- DC Voltage Measurement
- Distortion Measurement
- SINAD Measurement
- Audio Filters
- Frequency
- Tracking Generator
- Adjacent Channel Power
- TCXO (Standard)
- OCXO (Option 001)

The Test Set’s Features
38
Connectors
RF IN/OUT Connector − type-N female connector for output signals
from the RF Generator, and input signals (60 Watts continuous, or 100
Watts for 10 sec/min) to the RF Analyzer. Nominal impedance is 50
Ω..
DUPLEX OUT Connector
− female BNC connector for output RF
Generator and Tracking Generator signals. Nominal impedance is 50Ω.
ANT IN Connector
− female BNC connector for input and analysis of
low-power RF signals (
≤200 m Watts), and for off-the-air
measurements. Nominal impedance is 50Ω.
MIC/ACC Connector
− 8-pin female DIN connector provides various
connections including:
• Audio microphone input for modulation of the RF output signal
• Control of the RF Generator’s output state
• Switching between the TX TEST and RX TEST screens
• Provides keying signal to control a transmitter under test
AUDIO OUT Connector − female BNC connector to output signals
from AF Generators 1 and 2 (including encoder functions). Nominal
output impedance is%<1Ω at 1 kHz.
AUDIO IN Connectors
− two female BNC connectors to input audio
signals to the AF Analyzer. Nominal impedance is 1 M
Ω or 600Ω.
• HI is the signal input for both grounding and floating input configurations.
• LO may be selected to connect the signal reference to ground or float. The
connectors and controls located on the rear panel are as follows:
CANCELSHIFT
Hz
µV
%
dBµV
ppm
W
ON/OFF
MEMORY
CARD
AUDIO IN
LOHI
!
MAX
42 v Pk
!
MAX
12 v Pk
AUDIO OUTSQUELCHVOLUMEMIC/ACC
MAX P OWER 20 0 mW
!
ANT IN
DUPLEX OUTRF IN/OUT
!
MAX POWER 60 W
CON TINUOUS
POWER
OFF ON