Balanced input for temperature sensor

Balanced input for temperature sensor

A balanced input circuit which is used with an operational amplifier to obtain the difference between two input signals. In a temperature sensor application, one input signal is proportional to absolute temperature (PTAT) and one signal is complimentary to absolute temperature (CTAT) with the CTAT s...

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1. Verfasser: FURMAN, BRUCE MICHAEL
Format: Patent
Sprache:eng
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AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
MEASURING
MEASURING QUANTITY OF HEAT
MEASURING TEMPERATURE
PHYSICS
TESTING
THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
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creator FURMAN, BRUCE MICHAEL
description A balanced input circuit which is used with an operational amplifier to obtain the difference between two input signals. In a temperature sensor application, one input signal is proportional to absolute temperature (PTAT) and one signal is complimentary to absolute temperature (CTAT) with the CTAT signal being the base-emitter voltage (Vbe) of a bipolar transistor. In this application the operational amplifier output is the PTAT signal minus Vbe times a scale factor determined by the feedback loop of the operational amplifier.
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In a temperature sensor application, one input signal is proportional to absolute temperature (PTAT) and one signal is complimentary to absolute temperature (CTAT) with the CTAT signal being the base-emitter voltage (Vbe) of a bipolar transistor. 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subjects AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRICITY
MEASURING
MEASURING QUANTITY OF HEAT
MEASURING TEMPERATURE
PHYSICS
TESTING
THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
title Balanced input for temperature sensor
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