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RF front-end matching circuits for a transceiver module with T/R switch integrated in a transceiver chip

  • US 20060135084A1
  • Filed: 10/28/2005
  • Published: 06/22/2006
  • Est. Priority Date: 12/22/2004
  • Status: Abandoned Application
First Claim
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1. A radio frequency front-end circuit suitable for a transceiver module, comprising:

  • a radio frequency (RF) front-end device;

    a transmit/receive (TR) switch, enabling a first signal transmission path and a second signal transmission path selectively;

    a transmitter;

    a receiver; and

    an internal matching circuit disposed at the first signal transmission path or the second signal transmission path selectively, wherein the TR switch, the receiver, the transmitter and the internal matching circuit are integrated in one chip, the internal matching circuit is connected between the TR switch and the receiver when disposed at the first signal transmission path and between the TR switch and the transmitter when disposed at the second signal transmission path.

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