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Article #880

Re: difference between instrumental amplifier and operational amplifier

#880
From: William L. Bahn
Date: Sun, 05 Mar 2000 00:00
15 lines
1901 bytes
I believe you are referring to an "instrumentation" amplifier.

An operational amplifier has very high input impedances, low output
impedances and very high gain. An instrumentation amplifier is an op-amp
based circuit that has controlled gain.

peter wrote in message <89smse$fkl$1@news.cz.js.cn>...
>Hi,can anyone tell me what's the general difference between
>instrumental amplifier and operational amplifier? what kind
>of application does each amplifier designed for?what kind of behaviors or
>characters we could expect when using them in application
>
>
>
>
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From: "William L. Bahn" <wbahn@uswest.net>
Subject: Re: difference between instrumental amplifier and operational amplifier
Date: 2000/03/05
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