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System and Method for Adjusting the Sensitivity of a Capacitive Signal Source

  • US 20140064523A1
  • Filed: 08/30/2012
  • Published: 03/06/2014
  • Est. Priority Date: 08/30/2012
  • Status: Active Grant
First Claim
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1. A system for amplifying a signal provided by a capacitive signal source, the system comprising:

  • an impedance converter having an input node configured to be coupled to a first terminal of the capacitive signal source; and

    an adjustable capacitive network having a first node configured to be coupled to a second terminal of the capacitive signal source and a second node coupled to an output node of the impedance converter.

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