TEMPERATURE_DRIFT_CONTROL

Published:2009/7/21 21:34:00 Author:Jessie | From:SeekIC

Used to minimize thermal drift in d-c amplifer. Temperature-sensing element Q1 controls current through heater of temperature-controlled block. Base of Q1 is left floating. Variations in ambient temperature are reduced by factor of 10 inside block, and transistors are maintained at 40℃.-A. Patton, Telemetry System for Testing Automobiles, Electronics, 33:43, p 57-59.



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