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High frequency apparatus

  • US 20050227662A1
  • Filed: 03/17/2005
  • Published: 10/13/2005
  • Est. Priority Date: 04/13/2004
  • Status: Active Grant
First Claim
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1. A high frequency apparatus comprising:

  • an input terminal for receiving a high frequency signal;

    a mixer having an input port for receiving the signal fed through the input terminal, and another input port in connection to an output of a local oscillator;

    an output terminal for delivering an output of the mixer; and

    an interference-cut filter disposed between the input terminal and the mixer for removing an interfering signal included in the high frequency signal, wherein the interference-cut filter is controlled when an interfering signal is transmitted.

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