From: Jim Thompson
Subject: Re: Voltage Controlled Resistor?
References: <email@example.com> <firstname.lastname@example.org> <email@example.com>
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Date: Wed, 11 Dec 2002 17:13:58 GMT
NNTP-Posting-Date: Wed, 11 Dec 2002 12:13:58 EST
Organization: Cox Communications
On Wed, 11 Dec 2002 18:04:24 +0100,
"fred bartoli" ,
In Newsgroup: sci.electronics.design,
Entitled: "Re: Voltage Controlled Resistor?",
Wrote the following:
|Jim Thompson a écrit dans le message :
|> On Wed, 11 Dec 2002 15:35:36 +0000 (GMT),
|> Tony Williams ,
|> In Newsgroup: sci.electronics.design,
|> Article: <firstname.lastname@example.org>,
|> Entitled: "Voltage Controlled Resistor?",
|> Wrote the following:
|> | What's a good way of doing a precision VCR?
|> | I thought it was easy, but have been doodling
|> | on paper for half a day now. I could have
|> | sworn it could be done without a multiplier.
|> | Must be going senile.........
|> | The spec; Vcontrol= 0-10V, Rout= 0-1k, over
|> | the range 0-10v or 0-10mA. 15-0-15 available.
|> I addressed this recently on A.B.S.E at...
|> Message ID: <email@example.com>
|> (I think this is the correct ID... it's at least part of the thread.)
|> There's also a Voltage Variable Resistor part for PSpice on my
|That kind of resistor made in POLY ???
|> ...Jim Thompson
Fred, I'll presume you're not already into the Christmas cheer and
assume you mean POLYnomial and not POLYsilicon ;-)
You can do it with a polynomial, but PSpice has had, for several
years, the EVALUE and GVALUE parts, thus you can avoid the gruesome
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
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