Miniature thin-film bandpass filter

Miniature thin-film bandpass filter

  • CN 101,375,462 A
  • Filed: 01/30/2007
  • Published: 02/25/2009
  • Est. Priority Date: 01/31/2006
  • Status: Active Application
First Claim
Patent Images

1. thin-film bandpass filter comprises:

  • At least two thin layers;

    First resonant circuit that comprises first inductor;

    AndSecond resonant circuit that comprises second inductor;

    Wherein first inductor comprises having the coil that is rotated counterclockwise, among this coil location two or more in described at least two thin layers;

    Wherein second inductor comprises having the coil that turns clockwise, among this coil location two or more in described at least two thin layers;

    AndWhen band pass filter was powered, first inductor was coupled to second inductor among at least one in described at least two thin layers.

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