DR600 Service Manual
Intermodulation
ETSI: 70dB TIA603: 75dB
Adjacent Channel
Selectivity
ETSI/TIA603: [email protected], 70dB@20/25kHz
Spurious Response
Rejection
ETSI/TIA603: 70dB
Conducted Spurious
Emission
-57dBm
Impedance
ETSI: 84dB TIA603: 80dB
Rated Audio
Distortion
<3
%
Hum and noise
[email protected]/-43dB@20kHz/-45dB@25kHz
Audio Response
+1dB ~ -3dB
Tx Parameter
Frequency Stability
±
1.5ppm
Tx Power
Low: 25W, high: 40W
Hum and noise
[email protected]/-43dB@20kHz/-45dB@25kHz
Conducted Radiated
Emission
-36dBm@<1GHz, -30dBm@>1GHz
Adjacent Channel
Power
[email protected], 70dB@20/25kHz
FM Modulation
[email protected], 14K0F3E@20kHz, 16K0F3E@25kHz
4FSK Modulation
12.5kHz(Only data): 7K60FXD
12.5kHz(data+speech): 7K60FXE
Modulation Limiting
±
±
4kHz@20kHz,
±
5kHz@25kHz
Audio Response
+1dB~-3dB
Audio Distortion
3
%
45
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 ...