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Transmitting power level controller and related method

  • US 8,019,295 B2
  • Filed: 06/25/2008
  • Issued: 09/13/2011
  • Est. Priority Date: 06/25/2008
  • Status: Expired due to Fees
First Claim
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1. A transmitting power level controller of a communication system, the communication system comprising a radio-frequency (RF) unit for generating a communication signal and a power amplifier (PA) for amplifying the communication signal to generate a transmitting signal, the transmitting power level controller comprising:

  • a temperature sensor, for sensing temperature of at least one of the RF unit and the PA to generate a detected temperature signal;

    a power detector, for detecting a transmitting power of the transmit signal to generate a detected power signal; and

    an automatic level controller, coupled to the temperature sensor and the power detector, for adjusting the transmitting power of the transmitting signal according to the detected power signal when a maximal transmitting power is in a predetermined range, and adjusting the transmitting power according to the detected temperature signal when the maximal transmitting power is not in the predetermined range.

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