Chapter 5 Performance Checks
5.1 Introduction
This section covers performance checks used to verify that the radio meets published specifications.
The recommended test equipment listed in the previous section approaches the accuracy of the
manufacturing equipment, with a few exceptions. Accuracy of the equipment must be maintained in
compliance with the manufacturer’s recommended calibration schedule.
5.2 Test Setup
The equipment required for performance checks is connected as shown in the following diagrams.
5.2.1 ASTRO Digital Spectra
Figure 5-1. ASTRO Digital Spectra Performance Checks Test Setup
AUDIO GENERATOR
SINAD METER
AC VOLTMETER
TX
RX
COMMUNICATIONS
ANALYZER
AGILENT 8901B
MODULATION
ANALYZER
COMMUNICATIONS
ANALYZER
(MODOUT Connector)
WATTMETER
MAEPF-27500-O
RADIO
SET TO APPROX. 80mVrms FOR MAXIMUM DEVIATION
MATCHING
TRANSFORMER
CONTROL
HEAD
TEST
SPEAKER
DUMMY
MICROPHONE
RF PORT
RF
ATTENUATOR
COMMUNICATIONS
ANALYZER
Vert/SINAD Dist/
DVM Counter
OR
OR
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