A method and apparatus for efficient power amplification of a high dynamic range signal includes an envelope detector (220), a multi-range modulator (270), and a power amplifier (260). The multi-range modulator (270) efficiently amplifies the envelope of the input signal by selecting a power source as...http://www.google.fr/patents/US5929702?utm_source=gb-gplus-shareBrevet US5929702 - Method and apparatus for high efficiency high dynamic range power amplification
Method and apparatus for high efficiency high dynamic range power amplification