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From: "Peter O. Brackett"
Subject: Re: Historical question: negative feedback and the op amp
Date: Fri, 15 Nov 2002 04:20:25 -0500
Organization: MindSpring Enterprises
References: <email@example.com> <3DD24CD4.ECD230B9@webaccess.net> <firstname.lastname@example.org>
X-Server-Date: 15 Nov 2002 09:20:27 GMT
X-Newsreader: Microsoft Outlook Express 5.00.2919.6600
> The earliest analogue computing element that I can
> think of is the Miller Integrator, used initially
> as a linear sawtooth generator, but known as a
> mathematical integrator from day.1. F.E Terman
> credits the application of the Miller Effect to the
> integrator application to A.D Blumlein. That was
> via Blumlein's colleague F.C Williams, because
> Blumlein himself was killed in a wartime plane crash.
Why then is it called the "Miller Integrator"? What and/or how was anyone
named "Miller" involved?
Here's some fuzzy background that is floating around in my [perhaps senile]
memory cells. I believe, but I am not sure,
that the Miller integration effect was actually *invented/discovered* by
"Doc" Miller, one of the founders of
MilGo Electronics, Corp. [e.g. Miller and Gordon - MilGo] of Miami, FL. Doc
Miller was formerly a long time
principal at one of the first big post WWII analog computer manufacturing
companies [The name of that company
was an acronym something like AE, Inc. or AC or CA or some such and had the
word "Automantic" in its' long
form corporate title.] which had big customers who designed aircraft using
analog computers in the aerospace
industry up in the Long Island area. In fact I recall that someone told me
that there is an acutal US Patent
registered in the USPO for the "Miller Integrator", probably called an
integrating amplifier or some such
with Doc Miller listed as the inventor.
Perhaps some of the negative feedback old timers lurking out there could
refute or confirm some of my
Indialantic By-the-Sea, FL.
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