Midland SYN-TECH 70-050 - Page 5

RECEIVER SPECIFICATIONS
70-050/055
Refer to EIA RS-204-C and
Standard of Performance.
Sensitivity:
Squelch sensitivity:
DOC RSS-119 for Method of
12dB SINAD
Threshold
Tight
Measurement and
0.25uV @50 ohm
0.2uV max or 6dB
SINAD
1.OuV min, 2.OuV max
Squelch blocking:
Receiver attack (squelch release)
time:
Receiver squelch closing time:
Modulation acceptance bandwidth:
lOdB
100ms max
200ms max
+7.0KHz min @ 20/25/30 KHz
+4.5KHz min @ 12.5 KHz
Adjacent channel two signal
selectivity and desensitization:
Spurious response attenuation:
Intermodulation spurious response
attenuation:
(measured at useable sensitivity)
Audio power output:
Audio frequency response:
Hum and noise:
Conducted suprious RF power:
90dB @ +20KHz
90dB
80dB (Noise Blanker off)
75dB (Noise Blanker on)
1W @ 5°6 THD @ 8 ohms (Internal)
5W a 5°o TI1D @ 3.2 ohms (External)
Per EIA and DOC Specifications
Unsquelched 40dB
Squelched 50dB
200uV across 50 ohms (800pW)
from DC to 1000MHz
Intermediate Frequencies: 10.7MHz (1st) and 455KHz (2nd)
SCAN SPECIFICATIONS
Scan speed: 20 channels/second
Channel capacity: 64 (PRI)
64 (SCAN)
Scan detection:
Scan resume delay:
Carrier, tone or vacant channel
0.3, 2.5/5 seconds or infinite
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