Switching circuits

  • US 20060119451A1
  • Filed: 12/07/2005
  • Published: 06/08/2006
  • Est. Priority Date: 12/08/2004
  • Status: Abandoned Application
First Claim
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1. A switching circuit, comprising:

  • a first MOS element of a first conductive type, disposed in a substrate of a second conductive type, comprising a first terminal coupled to an output/input terminal, a second terminal coupled to an antenna element, a control terminal coupled to a control signal, and a bulk terminal coupled to a first voltage through an external resistor; and

    a deep well region of the first conductive type, disposed in the substrate, separating the first MOS element from the substrate.

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