MT-4E Analog and P25 Digital Radio Systems - Daniels Electronics
MT-4E Analog and P25 Digital Radio Systems - Daniels Electronics
MT-4E Analog and P25 Digital Radio Systems - Daniels Electronics
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Chapter 3: Test Equipment <strong>and</strong> Spares 9<br />
CHAPTER 3: TEST EQUIPMENT<br />
AND SPARES<br />
RECOMMENDED TEST EQUIPMENT<br />
<strong>Daniels</strong> <strong>Electronics</strong> recommends the following test equipment for maintenance of an <strong>MT</strong>-<strong>4E</strong> radio<br />
system:<br />
+13.8 Vdc Power Supply <strong>Daniels</strong> PSA-12-40-RB-00<br />
(rated for current draw of equipment)<br />
(40 Amp rack-mounted power supply)<br />
ICT ICT24012 (60 Amp desktop power supply)<br />
ICT ICT12012 (10 Amp desktop power supply)<br />
Current Meter / Multimeter<br />
Fluke 75 Multimeter<br />
Communications Service Monitor<br />
Marconi Instruments 2965A<br />
(<strong>Analog</strong>) Aerofl ex IFR 1200 (Super S)<br />
Aerofl ex IFR COM-120<br />
Communications Service Monitor Aerofl ex IFR 2975<br />
(<strong>P25</strong> <strong>Digital</strong> <strong>and</strong> <strong>Analog</strong>) Aerofl ex IFR 3920<br />
General Dynamics R2670<br />
Alignment Tools<br />
RF Signal Sampler<br />
Wattmeter<br />
<strong>Daniels</strong> A-TK-04<br />
Bird Model 4275 Variable RF Signal Sampler<br />
Bird Model 43 Wattmeter<br />
It is recommended that when in the shop / service area, the Communications Service Monitor be<br />
frequency locked to an external reference (WWVH, GPS, Loran C) so that the high stability local<br />
oscillator may be accurately set to within its ±1 ppm frequency tolerance.<br />
The test equipment should be calibrated on an annual basis to ensure accurate measurements.<br />
MG-001 <strong>Daniels</strong> <strong>MT</strong>-<strong>4E</strong> <strong>Radio</strong> <strong>Systems</strong><br />
www.danelec.com<br />
Maintenance<br />
Guide
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