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Direct-conversion transceiver enabling digital calibration

  • US 20040106380A1
  • Filed: 09/02/2003
  • Published: 06/03/2004
  • Est. Priority Date: 09/03/2002
  • Status: Active Grant
First Claim
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1. A transceiver for transmitting and receiving signals, the transceiver comprising:

  • a transmitter operative to up-convert baseband signals from a baseband frequency into RF signals at a radio frequency (RF) frequency and output the RF signals;

    a receiver operative to receive RF signals and down-convert the RF signals into baseband signals having the baseband frequency; and

    a plurality of calibration paths coupling the transmitter to the receiver, wherein any of the calibration paths can be selected to be active when calibrating components of the transceiver.

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