Oscillator module incorporating looped-stub resonator

  • US 20040100338A1
  • Filed: 11/13/2003
  • Published: 05/27/2004
  • Est. Priority Date: 11/13/2002
  • Status: Active Grant
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First Claim
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1. A resonator device configured with an input port at one end and a termination at its other end, and for providing a frequency selective element for an oscillator, the device comprising:

  • a substrate; and

    a fractional wavelength transmission line on a surface of the substrate, and formed into one or more loops thereby providing a looped-stub resonator structure, wherein each edge or side of the one or more loops provides a portion of the fractional wavelength.

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