Chokes on digital supplies

March 30th 06, 07:26 PM posted to rec.radio.amateur.homebrew

John Wilkinson

Posts: n/a

Chokes on digital supplies

Hi,
If I have a few TTL chips on the same PCB as all my PLL's (see previous
threads). Would it be a good idea to put a little choke in the supply line
up against each TTL chip, with cap decoupling either side?

What about 100uH and 2 100nF?

Will that reduce any noise problems I have?

Thanks,
John.

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