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Title: Continuous Measurement Of Both Thermoelectric And Impedance-Based Signals Using Either Ac Or Dc Excitation
Author: Karl F. Anderson
Source: 1997 Measurement Science Conference
Year Published: 1997
Abstract: This report describes a technique based on the Anderson loop measurement circuit topology that continuously observes both impedance change and thermoelectric signals while using either alternating or direct current excitation of the impedance. Alternating current excitation provides better separation of the signals while direct current excitation results in wider bandwidth. Anderson loop circuit topology benefits are maintained. The technique is illustrated with the simultaneous measurement of resistance variations and temperature by connecting to a strain gauge with thermocouple wire.

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