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In Reply to: RE: From a practical standpoint... posted by Dynobot on July 15, 2012 at 09:32:06
... that an opamp may be an integrated circuit, but not all integrated circuits are opamps. (Rather like "breeds" v. "dogs". All poodles are dogs, but not all dogs are poodles.)
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This ia picture of a vacuum tube op-amp from the analog computer that I used in 1961. The link has a complete description of the system and more pictures. As a 17 year old kid, I really enjoyed twirling the 10 turn precision potentiometers. :-)
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
Ohhhh, sure beats the Heathkit one my H.S. Physics room had. You must have had better connections...
Rick
I got paid $1.00 per hour playing with these toys. I thought this was a much better deal than cutting the neighbors' lawns.
Tony Lauck
"Diversity is the law of nature; no two entities in this universe are uniform." - P.R. Sarkar
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Dynobots Audio
Music is the Bridge between Heaven and Earth - 音楽は天国と地球のかけ橋
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