Chapter 5 Performance Checks; Test Equipment Setup; Figure 5-1. Performance Checks Test Setup - Motorola APX 3000 Basic Service Manual

Chapter 5 Performance Checks

This chapter covers performance checks used to ensure that the ASTRO APX 3000 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
test equipment must be maintained in compliance with the manufacturer's recommended calibration
schedule. Checks should be performed if radio performance degradation is suspected.
5.1

Test Equipment Setup

Supply voltage can be connected from the battery eliminator. The equipment required for the
performance checks is connected as shown in
POWER
SUPPLY
66012031001
BATTERY
ADAPTER
RADIO
NOT USED

Figure 5-1. Performance Checks Test Setup

Figure 5-1.
BNC
SMA-BNC
5880384G68
TEST SET
RLN4460_
PROGRAM/TEST CABLE
PMKN4013_
SYSTEM ANALYZER
30 dB PAD
TRANSMIT
30 dB PAD
RF GENERATOR
RECEIVE
SET TO APPROX. 8mV FOR Tx
AUDIO IN TX
AUDIO GENERATOR
RX
MEASURE 3.74Vrms FOR Rx
OR COUNTER
WATTMETER
SINAD METER
AC VOLTMETER