Specifications

7
RECEIVER
VHF UHF
Model Series : SD-161 SD-171 SD-164 SD-174
Sensitivity (@ 12dB SINAD) :
25 KHz Channel Spacing
12.5 KHz Channel Spacing
< 0.28uV
< 0.30uV
< 0.28uV
< 0.30uV
< 0.28uV
< 0.30uV
< 0.28uV
< 0.30uV
Sensitivity ( 1/100 Error Rate)
With ACC-513
With ACC-514
< -113dBm
< -110dBm
< -113dBm
< -110dBm
< -113dBm
< -110dBm
< -113dBm
< -110dBm
Amplitude Characteristic : > -3dB , < +3dB > -3dB , < +3dB
Adjacent Channel Selectivity :
25 KHz Channel Spacing(Nom.)
(Extreme Condition)
12.5 KHz Channel Spacing(Nom.)
(Extreme Condition)
> 65 dB
> 55 dB
> 55 dB
> 45 dB
> 70 dB
> 60 dB
> 60 dB
> 50 dB
> 65 dB
> 55 dB
> 55 dB
> 45 dB
> 70 dB
> 60 dB
> 60 dB
> 50 dB
Spurious Rejection(100KHz ~ 4GHz) > 60 dB > 70 dB > 60 dB > 70 dB
Image / Half IF Rejection : > 60 dB > 70 dB > 60 dB > 70 dB
Intermodulation Response Rejection
±25 kHz/ 50 kHz
±50 kHz/ 100 kHz
> 60 dB
> 60 dB
> 70 dB
> 70 dB
> 60 dB
> 60 dB
> 70 dB
> 70 dB
Conducted Spurious Emission :
9 KHz - 1 GHz
1 GHz – 4 GHz
< -57 dBm
< -47 dBm
< -57 dBm
< -47 dBm
RX Spurious Emissions (Radiated) :
9 KHz - 1 GHz
1 GHz – 4 GHz
< -57 dBm
< -47 dBm
< -57 dBm
< -47 dBm
AF Distortion :
Nominal condition
Extreme condition
< 5%
< 10%
< 3%
< 10%
< 5%
< 10%
< 3%
< 10%
RX Hum & Noise (only audio) :
25 KHz Channel Spacing
12.5 KHz Channel Spacing
< 40 dB without PSOPH
< 40 dB with PSOPH
< 40 dB without PSOPH
< 40 dB with PSOPH
Receiver Response Time : < 16 ms < 16 ms
Squelch (factory pre-set)
Open
Close
-113dBm
-116dBm
Squelch Attack Time :
RF Level at Threshold
RF Level at Threshold + 20dB
< 20 ms (RSSI), < 40 ms (Analog)
< 10 ms (RSSI), < 30 ms (Analog)
Squelch Decay Time : 5 ms Min., 20ms Max.
Antenna Socket Input Match > 10 dB Return Loss
Temperature Stability for
L.O. Frequency :
1st < 5 ppm, 2nd < 15 ppm from -30° to + 60° C
L.O. Frequency Aging Rate : ±2 ppm/ year