Title :
Highly efficient 60 watt W-CDMA LDMOS power amplifier using the modified doherty configuration
Author :
Beishline, D.W. ; Cassan, C. ; Elsharawy, E.A. ; Aly, A.
Abstract :
The Classic Doherty achieves high efficiency in the bscked-off power region, but shows no improvement at the high power levels. In this paper, a Modified Doherty Amplifier is presented as a possible solution for multi-carrier W-CDMA power amplifier linearity and emciency requirements. A Modified Doherty Amplifier is capable of achieving high efficiency and improved gain over the bandwidth without sacrificing linearity.
Keywords :
Base stations; High power amplifiers; Impedance; Linearity; Multiaccess communication; Power amplifiers; Power generation; Power transmission lines; Radio frequency; Radiofrequency amplifiers;
Conference_Titel :
Microwave Conference, 2004. 34th European
Conference_Location :
Amsterdam, The Netherlands
Print_ISBN :
1-58053-992-0
