[sdiy] Dual DC-Power from a single AC-supply

Paul Schreiber synth1 at airmail.net
Sat May 2 17:23:08 CEST 2009


>
> No, it's 1/2 wave but the raw DC was fed into a pair of LM78L12/LM79L12 
> regulators that have very high ripple rejection so it did not matter.

I also recall (remember, it was 29 years ago!) that you need 3 capacitors to 
do this (crap, now I'm going to have to look tonight for the circuit).

Paul S.




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