Bypass caps (was:Re: [sdiy] Silly question about dual vs. quad op amps

[jhaible at debitel.net]

I get much cleaner layouts using duals 
> and singles.  And two duals just don't take up that much more room.  (Well, 
> they do take up a bit more on my boards because they require 4 bypass caps 
> rather than 2... :-)

Which raises a question how many bypass caps you really need.
If the circuit works with a 074 and 2 caps, it should also
work with two 072's in close proximity, and 2 caps, shouldn't it?

JH.

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