Receiver - Simoco SRM9000 Service Manual

2.5.3

Receiver

Sensitivity
≤ 0.3µV PD (-117.5dBm) for 12dB SINAD
≤0.4µV PD for 20 dB Quieting.
Adjacent Channel Selectivity
25kHz Channel Spacing
12.5kHz Channel Spacing
Intermodulation Rejection
ETS Method
AS4295 Method> 70dB
Spurious Response Rejection
> 75dB
Blocking
> 95dB ( ±1MHz)
Conducted Spurious Emissions
< 2nW (-57dBm)
FM Residual Noise (CCITT weighted)
25kHz : > 45dB
12.5kHz : > 40dB
Mute Range
Typically 6 to 25dB SINAD
Typical setting 10 to 12dB SINAD
Mute Response Time
<30mS (no CTCSS)
add 200mS for CTCSS
Voting Response Time
tba
Audio Distortion
< 3% (1W / 4ohm, 60% modulation)
<5% (4W / 4ohm, 60% modulation)
TNM-M-E-0001
DRAFT D
>73dB
> 65dB
> 65dB
9kHz to 4GHz
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