TR850 Service Manual
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
Voltage Range: 1mV~10V
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Summary of Contents for TR850
Page 1: ......
Page 45: ...TR850 Service Manual 5 4 Connection 1 2 3 4 6 8 7 5 9 10 13 14 15 16 18 17 11 12 41 ...
Page 90: ...TR850 Service Manual Figure 1 Rx Module Top Board PCB View 86 ...
Page 91: ...TR850 Service Manual Figure 2 Rx Module Bottom Board PCB View 87 ...
Page 93: ...TR850 Service Manual Figure 5 Power Amplifier Module Bottom Board PCB View 89 ...
Page 94: ...TR850 Service Manual Figure 6 Baseband Mainboard Top Board PCB View 90 ...
Page 95: ...TR850 Service Manual Figure 7 Baseband Mainboard Bottom Board PCB View 91 ...
Page 97: ...TR850 Service Manual Figure 10 Power Board Top Board PCB View 93 ...
Page 114: ...TR850 Service Manual Figure 16 Baseband Mainbaord Schematic Diagram 110 ...
Page 169: ...TR850 Service Manual Figure 1 Rx module Top Board Position Mark Diagram 165 ...
Page 170: ...TR850 Service Manual Figure 2 Rx Module Buttom Board Position Mark Diagram 166 ...
Page 172: ...TR850 Service Manual Figure 5 Power Amplifier Module Buttom Position Mark Diagram 168 ...
Page 173: ...TR850 Service Manual Figure 6 Baseband Mainboard Top Board Position Mark Diagram 169 ...
Page 174: ...TR850 Service Manual Figure 7 Baseband Mainboard Buttom Board Position Mark Diagram 170 ...
Page 176: ...TR850 Service Manual Figure 10 Power Board Top Board Position Mark Diagram 172 ...
Page 193: ...TR850 Service Manual Figure 16 Baseband Mainboard Schematic Diagram 189 ...