Specifications - Radio Shack PRO-60 Service Manual

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