DR600 Service Manual
1 off
change to the next frequency after the value is stable.
4. Modulate the frequency of narrow band and wide band in turn.
Rx distortion
Observe the distortion value,
<
3%
Rx SNR
Observe SNR value
W:
>
45dB
N:
>
40dB
CTCSS/CDC
SS
-
Can
transmit
BER Test
1. Set the output range of 3920 as -118dBm.
2. Enter BER test mode.
3. Click “Start”, and observe BER.
EER
≤
5%
7. Main Technical Functions and Specifications
General Specification
Frequency Range
UHF: 400-470MHz VHF:136-174MHz
Channel Capacity
16
Channel Spacing
12.5kHz/20kHz/25kHz
Weight
11.2kg
Dimension(H*W*D)
482.6mm*450mm*44mm
Environment Index
Operating
Temperature
-30
℃
~+60
℃
Storage Temperature
-40
℃
~+85
℃
Rx Parameter
Frequency Stability
±
1.5ppm
Analog Rx Sensitivity
-118dBm(12dB)/-121dBm(12dB)
Digital Rx Sensitivity
-120dBm(5%)
44
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 ...