Resources Contact Us Home
System and method for minimizing dissipation in RF power amplifiers

Image Number 6 for United States Patent #6683496.

The variable power supply to an amplifier in an electrical circuit is dynamically controlled through the use of a lookup table responsive to one or more operating conditions of the electrical circuit. The lookup table is indexed by one or more of the operating conditions and the amount of amplification to be applied to an input signal to the amplifier is determined. One embodiment of the invention comprises a television transmitter circuit including a power amplifier circuit capable of amplifying a variable frequency COFDM or 8VSB input signal where the amount of amplification applied to the input signal is dynamically controlled through the use of a lookup table as a function of the frequency of the input signal.

  Recently Added Patents
Stable file system
Image processing apparatus, image processing method, and program
Nanoparticle entrapment of materials
Method to trace video content processed by a decoder
Registration and network access control
Front face of a vehicle wheel
Reuse of static image data from prior image frames to reduce rasterization requirements
  Randomly Featured Patents
Fast handover system and method thereof
Catheter anchoring device
Pneumatic tire including gas absorbing cords
Frequency-selective loss technique for oscillation prevention in traveling-wave tubes
Vehicle front part structure
Automatic combinatorial weighting apparatus
Miniature stacked glass lens module
Attachment member setting tool and method of setting the attachment member
Methods and systems for stereo noise mitigation
Method for forming dual damascene structures