diyAudio - how do tuners work !

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jimbo1968

15th May 2009 03:05 PM

how do tuners work !

In the olden days you twiddled a knob and that physically changed the capacitor in a tuned circuit.

What happens when I press a different channel number on my TV tuner remote?

Kabigon

16th May 2009 07:08 AM

See this:

http://en.wikipedia.org/wiki/Varicap

jimbo1968

16th May 2009 12:08 PM

Thanks.

Clever stuff these semiconductors. I predict they'll catch on.

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