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DUPLEXER, MODULE INCLUDING A DUPLEXER AND COMMUNICATION APPARATUS

  • US 20100148886A1
  • Filed: 02/24/2010
  • Published: 06/17/2010
  • Est. Priority Date: 12/18/2007
  • Status: Active Grant
First Claim
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1. A duplexer comprising:

  • a receiving filter or receiving filters that let(s) a reception signal in a receiving band pass;

    a transmission signal terminal into which a transmission signal in a transmitting band that is different from the receiving band can be input;

    a common terminal with which input of the reception signal in the receiving band and output of the transmission signal in the transmitting band can be performed;

    a hybrid that has a plurality of first terminals and a plurality of second terminals, and that splits a signal that is input from one of the first terminals with a phase difference and outputs the split signals to the second terminals;

    wherein the common terminal and the transmission signal terminal are respectively connected to the first terminals; and

    wherein the receiving filter(s) is/are connected to the second terminals.

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