[SBE] Demodulator question

[Bill Whitt]

Hello all,

            I was wondering if anyone is using the Blonder Tongue AD-1B 5932
Agile A/V Demodulator. I have a question on the output of this device. I
have been using the Cadco 475 series and they have a audio and video
adjustment on the unit to boost the output if needed. The Cadco's have a
duration of about a year and I'm replacing them more often than I would
like. I was looking to go with the Blonder Tongue, but I'm not sure what the
spec for the RF input is. Can it constantly provide a 1Vpp video . or is it
dependant on the strength of the RF input. I am looking for a device that
can take a varied RF input and provide a consistent video output. I can
envision a dark picture during a low RF or a over modulated signal when the
RF is higher. If the Blonder Tongue can compensate for this I would love to
try it. The other draw back to the Cadco that I don't like . is the fact
that it is a manual gain adjustment. If I do vary the RF input to the Cadco
. it doesn't compensate too much for that, and I run into under and over
modulation issues. I would appreciate any advice on the Blonder Tongue, or a
device not stated here.

 

Thanks,

 

Bill

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