Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
March 13, 2007
Patent Application Number
09952524
Date Filed
September 14, 2001
Patent Citations Received
Patent Primary Examiner
Patent abstract
The present invention provides an efficient way to detect the transmit power provided by an amplifier. A power sense signal indicative of the transmit power of the amplifier is generated and fed back to a control system, which will react accordingly to control input signal levels, bias, gain, or a combination thereof for the amplifier in traditional fashion to control transmit power. Detection circuitry representing a scaled version of the amplifier receives the radio frequency (RF) drive in parallel with the amplifier to provide a scaled output signal. The scaled output signal is rectified and filtered to generate the power sense signal.
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