Circuit and method for performing arithmetic operations on current signals

A circuit for performing arithmetic operations includes a differential capacitive transimpedance amplifier (CTIA) and a cross-multiplexer. The cross multiplexer forwards the current to be integrated out of a plurality of current sources either to the positive input port of the differential CTIA for...

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Bibliographische Detailangaben
Hauptverfasser: MAILAND MARKO, GETZLAFF STEFAN
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A circuit for performing arithmetic operations includes a differential capacitive transimpedance amplifier (CTIA) and a cross-multiplexer. The cross multiplexer forwards the current to be integrated out of a plurality of current sources either to the positive input port of the differential CTIA for positive integration in direct mode or to the negative input port of the differential CTIA for negative integration in reverse mode.