Circuit for processing signals supplied by a zirconium-type oxygen sensor
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United States of America Patent
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May 17, 1994
Grant Date -
N/A
app pub date -
Dec 16, 1991
filing date -
Dec 27, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The circuit includes a differential voltage/current converter (V/I) for connection to the sensor (S), a differential transresistance amplifier (TDA) whose inputs are connected to the outputs of the converter (V/I), and a double-ended/single-ended converter (D/S) connected to the outputs of the amplifier (TDA). The circuit is conveniently formed as an integrated circuit by CMOS P-well technology.
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