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Re: x10000 Amplifier

Subject: Re: x10000 Amplifier
From: "Paul Grammens" <grammens@svn.net>
Date: Sat, 17 Nov 2001 11:07:00 -0800
Newsgroups: comp.sys.apple2
Organization: Silicon Valley North, Inc. (http://www.svn.net)
References: <3BF62928.F35A8365@durham.ac.uk>
Xref: archiver1.google.com comp.sys.apple2:15076

Caroline.Payne <Caroline.Payne@durham.ac.uk> wrote in message
3BF62928.F35A8365@durham.ac.uk">news:3BF62928.F35A8365@durham.ac.uk...
> Does anyone kow how to make an amplifier to multiply an input signal
> from a thermocouple (of about 11 micro V) by 10,000 to be read in by an
> oscilloscope?

Sure. You just need an op amp, a powersupply, and a couple of resistors and
capacitors.  You set the gain by the ratio of a couple of resistors. Go to
RadioShack or similar for the parts, and you should be able to find
schematics on the web.
-Paul

References:
- x10000 Amplifier
  - From: "Caroline.Payne" <Caroline.Payne@durham.ac.uk>

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