Charge-domain filter and method thereof
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United States of America Patent
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Oct 15, 2013
Grant Date -
May 16, 2013
app pub date -
Dec 23, 2011
filing date -
Nov 16, 2011
priority date (Note) -
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Abstract
A charge domain filter (CDF) is provided. The CDF includes a switched-capacitor network (SCN) and a clock generator. An input of the SCN receives an input signal. The SCN samples the input signal according to clock signals with different phases. The clock generator is coupled to the SCN for providing the clock signals. The clock generator adjusts phase differences of the clock signals or pulse widths of the clock signals in accordance with a control signal.
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