Linear, gas to voltage transducer circuit

Details Linear, gas to voltage transducer circuit Linear, gas to voltage transducer circuit

1980-10-17

1982-09-28

Kreitman, Stephen A.

Measuring and testing

Gas analysis

Gas chromatography

340634, G01N 2712

Patent

active

043511813

ABSTRACT:
In a gas sensor circuit having a semiconductor gas measuring sensor such as a Taguchi, a variable gain transconductance amplifier is interconnected between the gas measuring sensor and a conventional differential amplifier so that the circuit's output voltage appears as a linear function of the gas concentration being measured.

REFERENCES:
patent: 3887908 (1975-06-01), Swigert
patent: 3997837 (1976-12-01), Betz et al.
patent: 4019367 (1977-04-01), Norsworthy
patent: 4112356 (1978-09-01), Toy
patent: 4185491 (1980-01-01), Owen

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