A single continuous closed-loop power control feedback system provides seamless power control/for a power amplifier and also enables an AM signal to be injected into the power amplifier through the power amplifiers' control port. The AM signal is developed by an I/Q modulator and supplied to a comparator...http://www.google.fr/patents/US6801784?utm_source=gb-gplus-shareBrevet US6801784 - Continuous closed-loop power control system including modulation injection in a wireless transceiver power amplifier
Continuous closed-loop power control system including modulation injection ...