Signal conditioning circuit including a combined ADC/DAC, sensor

Details Signal conditioning circuit including a combined ADC/DAC, sensor Signal conditioning circuit including a combined ADC/DAC, sensor

1998-02-02

1999-11-30

Tokar, Michael

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341108, 341110, 341118, 341120, 341155, H03M 112, H03M 110, H03M 106, H03M 102

Patent

active

059950331

ABSTRACT:
An electronically calibrated sensor (100) includes a sensing element (102) with an output coupled to a signal conditioning circuit (104). The signal conditioning circuit (104) is adapted to be highly computationally efficient and operable for compensating for temperature and part-to-part variation on the sensing element output for providing a useable sensor output signal. The signal conditioning circuit (104) includes an analog-to-digital/digital-to-analog (ADC/DAC) conversion device (112). The ADC/DAC (112) is operable to perform both analog input signal analog-to-digital conversion and digital output signal digital-to-analog conversion. The ADC/DAC (112) is further adapted to provide analog control signals to input signal conditioning circuits (104, 106).

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patent: 4636964 (1987-01-01), Jacobs et al.
patent: 4973976 (1990-11-01), Lee et al.
patent: 5404141 (1995-04-01), Ohara

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