Active ground bounce noise cancelation technique for closed loop analog regulation

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12184249
APP PUB NO 20230136057A1
SERIAL NO

17518141

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Abstract

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A differential feedback circuit with an active noise cancelation technique using a dual input differential pair. In the differential feedback circuit, a feedback voltage and a reference voltage connect to a primary input pair. Sensed noise at the inputs is put to a secondary input pair of the differential amplifier, which is inverted with respect to the primary input pair. In other words, the reference voltage, which may be subject to noise, connects directly to one terminal of the secondary input pair and through a low-pass filter to another terminal of the secondary input pair so that the noise, which may be coupled to the differential feedback circuit, cancels at the output of the differential feedback circuit.

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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
Hinderer, Thorsten Neubiberg, DE 11 41
Negoita, Andrei Constanta, RO 1 0

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