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: 50
Ω
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
46
Summary of Contents for DR600
Page 1: ......
Page 37: ...DR600 Service Manual 33 ...
Page 110: ...DR600 Service Manual Figure 2 Rx Module Bottom Board PCB View 106 ...
Page 111: ...DR600 Service Manual Figure 3 Tx Module Top Board PCB View 107 ...
Page 113: ...DR600 Service Manual Figure 6 Baseband Mainboard Top Board PCB View 109 ...
Page 114: ...DR600 Service Manual Figure 7 Baseband Mainboard Bottom Board PCB View 110 ...
Page 116: ...DR600 Service Manual Figure 10 Power Board Top Board PCB View 112 ...
Page 118: ...DR600 Service Manual Figure 13 Enternet Board Top Board PCB View 114 ...
Page 119: ...DR600 Service Manual Figure 14 Enternet Board Bop Board PCB View 115 ...
Page 150: ...DR600 Service Manual Figure 21 Baseband Mainboard Schematic Diagram 146 ...