SPECIFICATION
TEST SETUP TYP. MIN/MAX
Blocking
OFF Tune
(200 kHz offset
15 dBm typ.
10 dBm min.)
Receive frequency 16.408 MHz, preamp OFF.
Connect a + 15 dBm, 16.208-MHz crystal oscillator
through a step attenuator to a directional coupler input.
Connect the direct output of the directional coupler to
the receiver RF input.
Terminate the forward port of the coupler.
Connect a -40 dBm, 16.408 MHz, 30% AM/1 kHz,
signal generator to the reverse port of the directional
coupler.
Set step attenuator to 50 dB
Set audio analyzer to read AC Level in dBm.
Increase MAGC setting until the AC Level reading
drops by 10 dBm
Reduce attenuator setting until blocking begins (3 dB
drop in AC Level).
RF input level should be: > 15 dBm 10 dBm MIN
6-5
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