SENSOR AND METHOD FOR REDUCING AN INTERFERENCE SIGNAL COMPONENT IN A MEASURING SIGNAL FROM A SENSOR

A sensor including a sensor element for acquiring a measuring signal, the measuring signal including at least one useful signal component in a useful signal frequency range and at least one interference signal component in an interference signal frequency range, and a readout circuit for converting...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Diazzi, Francesco, Visconti, Andrea
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT MEASURING MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR MICROSTRUCTURAL TECHNOLOGY PERFORMING OPERATIONS PHYSICS PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTUREOR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS TARIFF METERING APPARATUS TESTING TRANSPORTING
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Beschreibung
Zusammenfassung:	A sensor including a sensor element for acquiring a measuring signal, the measuring signal including at least one useful signal component in a useful signal frequency range and at least one interference signal component in an interference signal frequency range, and a readout circuit for converting the measuring signal into an analog electrical sensor signal. A feedback circuit is provided, which feeds back the output signal of the readout circuit to the input of the readout circuit at which the measuring signal is applied, and the total transmission function H(s) of the readout circuit and feedback circuit induces an attenuation of the analog sensor signal in the interference signal frequency range, while the analog sensor signal in the useful signal frequency range is not attenuated.