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HIGH POWER RF FIELD EFFECT TRANSISTOR SWITCHING USING DC BIASES

  • US 20140152115A1
  • Filed: 03/15/2013
  • Published: 06/05/2014
  • Est. Priority Date: 11/30/2012
  • Status: Active Grant
First Claim
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1. An apparatus for providing tuning in a wireless power transfer system, comprising:

  • a tuning element; and

    a field effect transistor having a gate, a first terminal contact, and a second terminal contact, said first terminal contact is at an alternating current (AC) voltage, the field effect transistor configured to electrically engage the tuning element to an AC power path based on a change in an electrical characteristic of the gate with respect to an electrical characteristic of the first terminal contact.

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