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Subject: Re: Need a "Diode Temperature sensor circuit"
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Date: 04/12/03 at 10:52 PM
Posted by: Russ Kincaid
In Reply to: Need a "Diode Temperature sensor circuit" posted by Rabi on 04/11/03 at 1:40 PM:
A forward biased diode changes voltage drop approximatly -2mv per deg C. All you need is a DC amp with the appropriate gain. For a digital output display, use a meter with 200mv full scale and a voltage gain of -100. For better accuracy, install some linearizing circuits.
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