Body bias switching for an RF switch

  • US 9,048,836 B2
  • Filed: 08/01/2014
  • Issued: 06/02/2015
  • Est. Priority Date: 08/01/2013
  • Status: Active Grant
First Claim
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1. Radio frequency (RF) switching circuitry comprising:

  • a first switch comprising a first control contact, a first switch contact and a first body contact;

    a body switching network operably associated with the first switch, the body switching network comprising;

    a first switchable path connected between the first body contact and the first control contact;

    a second switchable path connected between the first body contact and the first switch contact;

    a bias control device configured to;

    open the first switch;

    close the first switch;

    close the first switchable path when the first switch is open; and

    open the first switchable path when the first switch is closed.

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