NASA NTRS · 19720000165
Differential input preamplifier
Abstract
Preamplifier chops and amplifies very low level output of thermopile infrared detectors that will be used to measure thermal energy flux of Jupiter and its departure from a blackbody spectrum. Output signal has negligible phase shift. AC signal is RC-coupled to input stage of other amplifiers.
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Callaway, P. W.. 1972-01-01. Differential input preamplifier. https://ntrs.nasa.gov/citations/19720000165
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