DP770 Service Manual
Digital Sensitivity
0.3uV
(
5% BER
)
Intermodulation
ETSI: 65dB TIA603: 70dB
Adjacent Channel Selectivity
ETSI/TIA603: [email protected]
,
70dB@20/25kHz
Spurious Response Rejection
ETSI/TIA603: 70dB
Conducted Spurious Emission
-57dBm
Block
ETSI: 84dB TIA603: 80dB
Rated Audio Power
0.5W
Rated Audio Distortion
<3
%
(
Typical
)
Hum and Noise
[email protected]/-43dB@20kHz/-45dB@25kHz
Audio Response
+1dB ~ -3dB
Transmitter
Frequency Stability
±1.5ppm
RF Power output
Low: 1W
,
High: 4W(UHF)/5W(VHF)
Hum and Noise
[email protected]/-43dB@20kHz/-45dB@25kHz
Conducted/Radiated Emission
-36dBm@<1GHz
,
-30dBm@>1GHz
Adjacent Channel Power
,
70dB@20/25kHz
FM Modulation
[email protected],14K0F3E@20kHz,16K0F3E@25kHz
4FSK Modulation
12.5kHz
(
data only
)
: 7K60FXD
12.5kHz
(
data and voice
)
: 7K60FXE
Modulation Limit
±[email protected], ±4kHz@20kHz, ±5kHz@25kHz
Audio Response
+1dB~-3dB
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Страница 72: ...DP770 Service Manual Appendix Figure 3 DP770 UHF Keypad Top Side PCB View Page 71 of 102 ...
Страница 73: ...DP770 Service Manual Appendix Figure 4 DP770 UHF Keypad Bottom Side PCB View Page 72 of 102 ...
Страница 87: ...DP770 Service Manual Appendix Figure 7 DP770 VHF Main Board Top Side PCB View Page 86 of 102 ...
Страница 88: ...DP770 Service Manual Appendix Figure 8 DP770 VHF Main Board Bottom Side PCB View Page 87 of 102 ...
Страница 89: ...DP770 Service Manual Appendix Figure 9 DP770 VHF Keypad Top Side PCB View Page 88 of 102 ...
Страница 90: ...DP770 Service Manual Appendix Figure 10 DP770 VHF Keypad Bottom Side PCB View Page 89 of 102 ...