DR600 Service Manual
Vocoder
AMBE++
Digital Protocol
ETSI TS 102 361-1, -2, -3
GPS Index
TTFF(cold start)Time
to First Fix
<1 miniute
TTFF(hot start)Time to
First Fix
<10 seconds
Horizontal Accuracy
<10 meters
8. Maintenance and Test Equipment
Equipment Major Specification
RF Signal Generator
Frequency Range: 10MHz~3GHz
Modualtion: frequency modulation and external modulation.
Output: －127dBm/0.1uV - >－47dBm/1mV
Power meter
Input Impedance: 50Ω
Operating Frequency: 100MHz~1000MHz
Measurement Range: about 10W
Deviation Meter Frequency Range: 100MHz~1000MHz
DVM
Measurement Range: DC 10mV~20V
Input Impedance: minimum circuit load high input impedance
Oscilloscope 30 ~100MHz
High Sensitivity Frequency
Counter
Frequency Range: 100 ~1000MHz
Frequency Stabilization : 0.2ppm or lower
Ammeter 5A
Audio voltmeter Measurement Range: 50Hz~10KHz
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