Was it Sunil Grover who wrote on Tuesday 01 October 2002 06:33:
> Does anyone work with TV tuners?
Did a little ?? years back. Basics only. There is/was books of tv schematics
for you to learn from.
Might I now suggest you start your design with a read of a tv remote control
chip datasheet, e.g. SAA125x or SAA 129x? This is an adjustable source of
voltage for the the varicap diodes. It's the bit that is part of the tuner
these days but isn't in it :-/. A hell of a lot better than 15 '2000 turn'
pots in a row to be adjusted, which was the old way.
--
Regards,
Declan Moriarty
Applied Researches - Ireland's Foremost Electronic Hardware Genius
A Slightly Serious(TM) Company
Without the optimist, the pessimist wouldn't know how happy he isn't
--
Author: Declan Moriarty
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Fat City Network Services -- 858-538-5051 http://www.fatcity.com
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