In Reply to: Re: ENIAC is digital.. and 100% valve.. no op amps.. posted by Legendre on August 17, 2006 at 07:07:47:
I've seen tube op-amp circuits. They don't go all the down to DC like modern op-amps do. The tube ones had coupling caps inside. Not having a complemetary device for a tube makes it a bit hard.
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Follow Ups
- Re: ENIAC is digital.. and 100% valve.. no op amps.. - wa2ise 16:58:38 08/20/06 (0)