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Forums
Engineering
Electrical Engineering
Understanding a heat sensor circuit?
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[QUOTE="Baluncore, post: 6598766, member: 447632"] It is not beta that is temperature sensitive, it is the base-emitter voltage. I agree with [USER=8921]@berkeman[/USER] The reference is also a PN junction, namely the 1N4148, so it gets confusing as to what temperature is being measured, relative to what. Was it a failed attempt to build a bandgap reference? [/QUOTE]
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Forums
Engineering
Electrical Engineering
Understanding a heat sensor circuit?
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