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Notch filter with differential split inductor

  • US 9,893,702 B2
  • Filed: 07/27/2015
  • Issued: 02/13/2018
  • Est. Priority Date: 07/27/2015
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • coupling, via a differential inductor, a first terminal to a second terminal, the differential inductor comprising a first inductor section, a second inductor section separate from the first inductor section, and a common-mode point; and

    tuning, via a variable capacitor, a resonant frequency associated with the differential inductor, wherein the variable capacitor is encircled by the differential inductor and serially directly connects the first inductor section to the second inductor section.

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