SIGNAL PROCESSING ARRANGEMENT, SENSOR ARRANGEMENT AND SIGNAL PROCESSING METHOD

SIGNAL PROCESSING ARRANGEMENT, SENSOR ARRANGEMENT AND SIGNAL PROCESSING METHOD

A signal processing arrangement has a signal input for connecting a capacitive sensor. An amplifier circuit is coupled between the signal input and a feedback point. A loop filter is coupled downstream to the feedback point. A quantizer is connected downstream to the loop filter and provides a multi...

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Hauptverfasser: FROEHLICH, Thomas, CHRISTEN, Thomas, STEELE, Colin
Format: Patent
Sprache:eng
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BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
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creator FROEHLICH, Thomas
CHRISTEN, Thomas
STEELE, Colin
description A signal processing arrangement has a signal input for connecting a capacitive sensor. An amplifier circuit is coupled between the signal input and a feedback point. A loop filter is coupled downstream to the feedback point. A quantizer is connected downstream to the loop filter and provides a multi-bit output word. The multi-bit output word consists of one or more higher significance bits and one or more lower significance bits. A first feedback path is coupled between a quantizer and the feedback point for providing a first feedback signal to the feedback point being representative of the one or more lower significance bits. A second feedback path is coupled to the quantizer for providing a second feedback signal to the signal input being representative of the one or more higher significance bits.
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subjects BASIC ELECTRONIC CIRCUITRY
CODE CONVERSION IN GENERAL
CODING
DECODING
ELECTRICITY
title SIGNAL PROCESSING ARRANGEMENT, SENSOR ARRANGEMENT AND SIGNAL PROCESSING METHOD
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