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RF sensor in stacked transistors

  • US 10,361,696 B1
  • Filed: 01/31/2019
  • Issued: 07/23/2019
  • Est. Priority Date: 02/07/2018
  • Status: Active Grant
First Claim
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1. An RF switch comprising:

  • a plurality of series-coupled RF switch cells coupled between an RF input and ground;

    a plurality of voltage dividers, each of the voltage dividers being coupled to a corresponding one of the RF switch cells; and

    a plurality of voltage detectors, each voltage detector having an input coupled to a tap of a corresponding one of the voltage dividers, and an output for providing a DC voltage, a plurality of the DC voltages configured to provide a linearity indication of the RF switch.

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