[sdiy] Dual or quad version of CA3140?

JH. jhaible at debitel.net
Sat Mar 25 21:35:45 CET 2006


> The dual -- CA3240 -- is in my old RCA book, but I have never seen 
> one.  Would have been nice for my S/H bank.
> http://home.earthlink.net/~ijfritz/sy_cir11.htm

I've used it a lot. It makes a great buffer in OTA-based phasers, as it's
high impedance and doesn't suffer from phase reversal as much as the usual
BiFet amps.

JH.



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