From: Jim Thompson
Subject: Re: Problems with Electronics Workbench
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Date: Mon, 07 Oct 2002 00:13:45 GMT
NNTP-Posting-Date: Sun, 06 Oct 2002 20:13:45 EDT
Organization: Cox Communications
On Mon, 07 Oct 2002 01:09:58 +0100,
Paul Burridge ,
In Newsgroup: sci.electronics.design,
Entitled: "Re: Problems with Electronics Workbench",
Wrote the following:
|On Sun, 06 Oct 2002 19:35:49 GMT, "dob" opined
|>The AC analysis progrmme in spice is the one which will particularly allow
|>devices to have incredibly high voltages accross them . this is because it
|>will take the ac small signal model for components and construct the
|>circuit from it.
|Nowhere near good enough, then. To project small-signal, linear
|behavior into large signal, non-linear stuff is a total cop-out, IMV.
.AC Analysis *only* does *small signal* equivalencies. It's only good
for analysing known (essentially) linear systems.
A non-linear device *must* be analysed with .TRAN
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| Jim-T@analog_innovations.com Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |
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