Circuits for switched capacitor receiver front-ends

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United States of America Patent

PATENT NO 10148253
APP PUB NO 20180138897A1
SERIAL NO

15573385

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Abstract

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Switched capacitor radio frequency receiver front-ends are provided, comprising: a plurality of banks, each comprising: a first switch connected to a RF input signal; a sampling capacitor connected to the first switch and to ground; a second switch connected in parallel to the sampling capacitor; and a Gm cell coupled to the sampling capacitor and an output; wherein: the output of the Gm cell of each of the plurality on banks are coupled together; and the first switch and the second switch are controlled by a multi-phase signal that causes, for each of the plurality of banks, the first switch to be turned ON at a first point in time and the second switch to be turned ON at a second point in time, wherein the first point in time for a first bank is not the same as the first point in time for a second bank.

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Patent Owner(s)

Patent OwnerAddress
THE TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK535 WEST 116TH STREET 412 LOW MEMORIAL LIBRARY NEW YORK NY 10027

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kinget, Peter R Summit, US 37 424
Xu, Yang New York, US 501 4586

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