Sensor headroom control circuit

A sensor headroom control circuit includes a front end analog circuit, a digital compensation circuit, and a headroom state selection circuit. The front end analog circuit has configurable headroom and is configured to receive a sensor input signal and output a sensor digital signal. The digital com...

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Bibliographic Details
Main Authors Wang, Stanley Bo-Ting, Dakshinamurthy, Sriraman
Format Patent
LanguageEnglish
Published 01.01.2019
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TELEPHONIC COMMUNICATION
WIRELESS COMMUNICATIONS NETWORKS
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Summary:A sensor headroom control circuit includes a front end analog circuit, a digital compensation circuit, and a headroom state selection circuit. The front end analog circuit has configurable headroom and is configured to receive a sensor input signal and output a sensor digital signal. The digital compensation circuit is configured to adjust the sensor digital signal to compensate for an active headroom state of the front end analog circuit and produce a compensated sensor signal. The headroom state selection circuit is configured to select the active headroom state of the front end analog circuit responsive to a detected level of the compensated sensor signal.
Bibliography:Application Number: US201715795081