RF BRANCH WITH IMPROVED POWER HANDLING

  • US 20170201244A1
  • Filed: 01/09/2017
  • Published: 07/13/2017
  • Est. Priority Date: 01/08/2016
  • Status: Active Grant
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First Claim
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1. A radio frequency (RF) switch, comprising:

  • one or more stages, each stage comprising;

    a signal input terminal;

    a signal output terminal;

    a control input terminal;

    a switching device having a source terminal connected to the signal input terminal, a drain terminal connected to the signal output terminal, a gate terminal for controlling the on/off state of the switching device, and a body terminal;

    a gate resistor connected in series between the control input terminal and the gate terminal; and

    a rectification circuit for rectifying a voltage across the source and drain terminal to provide a local bias voltage to the body terminal;

    the one or more gate resistors forming a gate bias network.

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