Accession Number : ADD005010

Title :   Resistance Bridge Transducer Conditioning Circuit.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Ray,David J

Report Date : 28 Mar 1978

Pagination or Media Count : 4

Abstract : A conditioning circuit for a resistance bridge transducer that includes output signal amplification, a voltage regulated DC power source for transducer excitation and a calibration select circuit for selectively inserting a shunt calibration resistor into parallel with one bridge arm. The calibration select circuit comprises a field effect transistor switch that is connected in series with the calibration resistor between two adjacent transducer terminals. The field effect transistor switch is operated by the output of an operational amplifier in response to positive and negative DC control signals. The conditioning circuit is adaptable to miniaturization through the use of integrated and hybrid circuits. (Author)

Descriptors :   *Patents, *Impedance bridges, *Circuits, Transducers

Subject Categories : Electrical and Electronic Equipment

Distribution Statement : APPROVED FOR PUBLIC RELEASE