Specifications.2 - Radio Shack PRO-60 Service Manual

SPECIFICATIONS
Frequency coverage
30 MHz-87.495 MHz
5 kHz steps
87.5 MHz-107.950 MHz
50 kHz steps
-
108 MHz-136.975 MHz
25 kHz steps
137 MHz-224.995 MHz
5 kHz steps
225 MHz-399.9875 MHz
12.5 kHz steps
400 MHz-512 MHz
12.5 kHz steps
*1
760 MHz-824 MHz
12.5 kHz steps
*1
849 MHz-869 MHz
12.5 kHz steps
'1
894 MHz-999.9875 MHz
12.5 kHz steps
*1
760 MHz -999.9875 MHz for 20-9309
—
Unit Nominal
Limit
Sensitivity
NFM: (S+N)/N=20 dB 30-512 MHz pV 1 2
Dev.: 3 kHz at 1 kHz 760-999.9875 MHz
pV
1
3
AM: (S+N)/N=20 dB 30-512 MHz
pV
2
5
—
Mod. 60% at 1 kHz
760-999.9875 MHz
pV
2
5
WFM: (S+N)/N=30 dB 30-512 MHz
pV 3
10
Dev. 45 kHz at 1 kHz 760-999.9875 MHz
pV 3
10
Squelch sensitivity
NFM and AM
Threshold
pV 0.5
2
Tight
dB 25 15
—
WFM
Threshold
pV
3
10
Tight
dB
40 30
Spurious rejection
at 328 MHz (NFM)
dB 40 30
_
(except primary image)
Modulation acceptance (EIA . RS-204-A)
—
NFM
kHz
±8
±5
WFM
kHz ±150 ±75
—
Signal to noise ratio
NFM
Dev.: 3 kHz at 1 kHz 30-512 MHz
dB 40 30
—
Input 100 pV
760-999.9875 MHz
dB 35 25
AM
Mod.: 60% at 1 kHz
30-512 MHz dB 40 30
Input 100 pV
760-999.9875 MHz dB 40 30
—
WFM
Dev.: 45 kHz at 1 kHz
30-512 MHz dB 50
35
i
Input 100 pV
760-999.9875 MHz
dB 50 35
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2
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