Switched capacitor circuit and method thereof
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United States of America Patent
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Jul 21, 2020
Grant Date -
May 21, 2020
app pub date -
Dec 17, 2019
filing date -
Nov 20, 2018
priority date (Note) -
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Abstract
A circuit and method are provided. The method couples a first bias signal to a first internal node via a first resistor, couples a second bias signal to a second internal node via a second resistor, couples the first internal node to a ground node via a N-type switch, couples the second internal node to a power supply node via a P-type switch. The method further couples the first internal node to the second internal node via a transmission gate, couples a terminal to the first internal node via a first capacitor, and couples the terminal to the second internal node via a second capacitor.
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