Simple Phase-Sensitive Detector for Wheatstone Bridge Resistance Measurements

Publication Type
Journal Article
Authors
LBL Report Number
LBL-18002
Abstract

A simple and economical phase-sensitive detector circuit is described. The circuit, which was developed for use with large-area heat-flow sensors that employ resistance temperature detection, uses a synchronous rectifier driven by a square wave. It is shown that the circuit has good linearity, resolution, and immunity to external and internal noise.

Journal
Review of Scientific Instruments
Volume
56
Year of Publication
1985
Number
5
Pagination
755-757
Call Number
LBL-18002
Custom 1
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