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Pulse-width-modulated device for precision temperature controlTemperature controller is described which reduces difference between temperature oscillations about control point. Standard temperature-sensitive resistor element is utilized which is highly stable and reproducible. Temperature sensing circuitry is conventional dc bridge with power supplied by battery or highly regulated supply source.
Document ID
19720000506
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Heyser, R. C.
Date Acquired
August 6, 2013
Publication Date
December 1, 1972
Subject Category
Electronic Systems
Report/Patent Number
Report Number: NPO-11407
NPO-11407
Accession Number
72B10507
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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