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Radio communication apparatus and its transmission and reception circuit

  • US 20050020298A1
  • Filed: 06/09/2004
  • Published: 01/27/2005
  • Est. Priority Date: 06/20/2003
  • Status: Abandoned Application
First Claim
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1. A radio communication apparatus comprising:

  • a first transmission and reception section having a first reception section that receives a first received signal with a first frequency band and a first transmission section that transmits a first transmitted signal with the first frequency band;

    a second transmission and reception section having a second reception section that receives a second received signal with a second frequency band and a second transmission section that transmits a second transmitted signal with the second frequency band, the second transmission and reception section having the same intermediate frequency as that of the first transmission and reception section; and

    a control circuit that sets one of the first and second transmission and reception sections in an operation mode and, while setting the other of the first and second transmission and reception sections in a stop mode.

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