Test Equipment
Maintenance 3-7
6.0 Test Equipment
The list in table 3-2 includes all standard test equipment required for servicing two-way mobile
radios, as well as several unique items designed speciÞcally for servicing the GM950E/GM950i
radio. Battery-operated test equipment is recommended when available. The ÒCharacteristicsÓ
column is included so that equivalent equipment may be substituted; however, when no information
is provided in this column, the speciÞc Motorola model listed is either a unique item or no
substitution is recommended.
Table 3-2 Recommended Test Equipment.
* Any of the R2000 Series system analysers will substitute for items with an asterisk (*)
MODEL
No.
DESCRIPTION CHARACTERISTICS APPLICATION
R2000
Series
System Analyser This monitor will substi-
tute for items with an
asterisk (*)
Frequency/deviation meter and sig-
nal generator for wide-range trouble-
shooting and alignment.
*R1150C Code Synthesizer Injection of audio and digital signal-
ling codes
*S1053D 220 VAC Voltmeter 1mV to 300V, 10-Mohm
*HM-203-7 110 VAC Voltmeter
*SKN6008A Power Cable for Meter Input impedance Audio voltage measurements
*SKN6001A Test Leads for Meter
*S1350C Watt Meter 50 ohm, ±5% accuracy Transmitter power o/p measurements
*ST1213B
(VHF)
Plug-in Element 10 Watts, maximum
*ST1223B
(UHF)
RF Dummy Load 0-1000 MHz, 300W
R1065A Load Resistor 10-watt Broadband For use with Wattmeter
S1339A RF Millivolt Meter
10kHz to 1.2 GHz
100µV to 3V rf RF level measurements
*R1013A SINAD Meter Receiver sensitivity measurements
S1347D or
S1348D (pro-
grammable)
DC Power Supply 0-20Vdc, 0-5 Amps Bench supply for 13.2Vdc current
limited
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