Programmable compensation of bridge circuit thermal response
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United States of America Patent
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-
Mar 30, 1993
Grant Date -
N/A
app pub date -
Jun 4, 1991
filing date -
Jun 4, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides compensation for temperature in a transducer by connecting the adjustment resistors to the transducer itself to provide a correct transducer output. A number of switches are used to couple the adjustment resistors to the transducer circuit. An individual resistor may be coupled in parallel or in series with a transducer resistance. The control input for the switches are each coupled to a separate bit output of a multiple bit memory. The memory is programmed to control the duty cycle of the switches when addressed.
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