Disclosed is a transmitter circuit (14) for use in radio telephone (10), the transmitter circuit including a power amplifier (17D) having an output coupled to an antenna (12) for transmitting an amplified modulated RF signal; a variable gain driver amplifier (17C) having an output coupled to an...http://www.google.de/patents/US5752172?utm_source=gb-gplus-sharePatent US5752172 - Distributed transmitter output power control circuit and method for a radio telephone 
