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System and method for processing capacitive signals

  • US 20050040907A1
  • Filed: 03/17/2003
  • Published: 02/24/2005
  • Est. Priority Date: 09/20/2000
  • Status: Abandoned Application
First Claim
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1. An electronic component for processing a capacitive signal superimposed with a drive signal, comprising:

  • a phase compensation stage adapted to compensate for phase variation caused by parasitic capacitances, said phase compensation stage being gate-to-source bootstrapped through a low-input-impedance component; and

    an impedance matching stage adapted to compensate for amplitude variations caused by said phase compensation stage.

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