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From: "Peter Nolan"
Subject: Re: SPICE?
X-Newsreader: Microsoft Outlook Express 5.50.4522.1200
Date: Sun, 29 Sep 2002 18:50:16 +0100
NNTP-Posting-Date: Sun, 29 Sep 2002 18:50:26 BST
I have the complete high-frequency equivalent circuit for the common-emitter
amplifier in front of me along with formulae for the current and voltage
gains(Electronics for the Physicist by Delaney). I do not see however a
comparison between theory and experiment. I have this thought in the back of
my mind that it was not possible to model even a single transistor amplifier
well but clearly I'm very much mistaken. The low frequency and high
frequency equivalent circuits are different and I think this led me to
believe that the entire frequency response is the result of stitching
together these two responses and that seemed somehow unsatisfactory to me.
You are far ahead of me on this although to be fair to myself I could get up
to speed with further study.
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