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Reply-To: "Kevin Aylward"
From: "Kevin Aylward"
References: <email@example.com> <3D851052.693A7E50@webaccess.net> <%_lh9.25414$S32.firstname.lastname@example.org> <3D85F5EC.FB883081@webaccess.net> <email@example.com>
Subject: Re: The First NFB theory
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Date: Tue, 17 Sep 2002 09:18:44 +0100
NNTP-Posting-Date: Tue, 17 Sep 2002 09:18:47 BST
"Reg Edwards" wrote in message
> > So, what I would like to know was Nyquist aware of this? Did he
> > the idea?...
> It's so obvious he didn't have to steal it - it came naturally.
> The whole universe works by feedback.
That's not what I meant. I was referring to the fact that a system is
unstable if the poles of the characteristic equation are in the rhp. I
had no idea that Maxwell knew this so early on, but did Nyquist know of
SuperSpice, a very affordable Mixed-Mode
Windows Simulator with Schematic Capture,
Waveform Display, FFT's and Filter Design.
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