Ghoncheh Jazani

This paper presents the design and analysis of two-way Doherty power amplifier with the offset line technique. According to the simulation results from Agilent ADS, the proposed Doherty power amplifier achieves the maximum power added efficiency of 58% and the maximum output power of 48.1 dBm at 1.85 GHz. Moreover, at 6 dB back off level, and 8 dB back off level the efficiency of the proposed Doherty power amplifier is more than 45% and 40% respectively. Thus, this design of the Doherty power amplifier can be a candidate for a base station of mobile system because of its high efficiency in from 1.8 GHz to 1.9 GHz frequency band

Doherty power amplifier, Wireless Communication System, High Power added efficiency, Agilent ADS