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From: "John Jardine"
Subject: Re: Historical question: negative feedback and the op amp
Date: Thu, 14 Nov 2002 15:06:36 -0000
NNTP-Posting-Date: 14 Nov 2002 14:55:23 GMT
X-Newsreader: Microsoft Outlook Express 5.00.2615.200
Mike wrote in message
> "Walt Jung" <email@example.com> wrote in message
> > I recently researched this area in writing a historical
> > section of the ADI book, "Op Amp Applications", which is/was the focus
> > of a seminar series. See www.analog.com/seminar This book will be
> > available next week for anyone interested.
> Walt, this was exactly what I was looking for. In my book collection, I
> lots of radio and communications books from the pre-WWII period, but
> systems books don't appear until post-WWII, and most of those that I have
> are from the second half of the 1950's. My suspicion has been that the
> op-amp was conceptually invented at the same time as control theory, but
> references are a little thin. You've filled in lots of missing area...
> -- Mike --
I was told by an ex WW11 'operations analysis' mathematician that most
modern control theory was developed by the Russians during WW11.
What I never found out, was why?. What was driving them?.
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