Gm-C filter and multi-phase clock circuit
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United States of America Patent
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Jan 15, 2019
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N/A
app pub date -
Aug 18, 2015
filing date -
Aug 18, 2015
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Abstract
Described herein is a power-efficient Gm-C filter, wherein the Gm-C filter includes several operational transconductance amplifiers (OTAs). In an example, at least two of the OTAs share a common bias current. Further, output of one of the OTAs is used to bias another one of the OTAs. Also described herein is a power-efficient clock generator circuit that is configured to output non-overlapping clock signals. The clock generator circuit includes a ring oscillator circuit, which includes several inverter stages. The clock generator circuit is well-suited for controlling operation of switches.
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