Calibration with feedback sensing

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United States of America Patent

PATENT NO 11942959
APP PUB NO 20230106703A1
SERIAL NO

17487199

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Abstract

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A calibration circuit, including: a signal generator circuit configured to generate a modulated analog input signal, which is based on a digital input word that is modulated; an Analog-to-Digital Converter (ADC) configured to convert an analog reference signal to a digital calibration word, wherein the analog reference signal is a low-pass-filtered version of the analog input signal generated by the signal generator circuit; and a feedback circuit configured to output the digital input word by adjusting the digital calibration word depending on a digital feedback signal, which is based on a modulated version of the analog reference signal, wherein the signal generator circuit, the ADC, and the feedback circuit are provided on a same chip.

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Patent Owner(s)

Patent OwnerAddress
INFINEON TECHNOLOGIES AGCAMPBELL 1-15 NAUBIBERG GERMANY NEUBIBERG BAVARIA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Jefremow, Mihail Augsburg, DE 33 143
Koeck, Stefan Ottenhofen, DE 4 2
Mueller-Eschenbach, Ralph Munich, DE 5 4
Schaefer, Juergen Oberhaching, DE 35 138
Voigtlaender, Arndt Ottobrunn, DE 6 17
Zipperstein, David Munich, DE 2 0

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