Title :
Design of LDMOS Balanced Power Amplifiers with Improved IMD Performance and Size Reduction
Author :
Koulouzis, Helias ; Draskovic, Drasko ; Budimir, Djuradj
Author_Institution :
Wireless Commun. Res. Group, Univ. of Westminster, London
Abstract :
An LDMOS class-AB balanced power amplifier with an attempt to use reduced-size branch-line couplers in the divider/combiner parts is presented. The proposed amplifier with a center frequency of 2.14 GHz was designed. At center frequency a size reduction and improved intermodulation distortion are achieved, comparing with the conventional branch line couplers.
Keywords :
MIS devices; electric connectors; intermodulation distortion; power amplifiers; IMD performance; LDMOS; branch-line couplers; intermodulation distortion; power amplifiers; size reduction; Couplers; Frequency; High power amplifiers; Intermodulation distortion; Linearity; Microwave amplifiers; Power amplifiers; Power transmission lines; Radiofrequency amplifiers; Transmission line discontinuities; IMD; LDMOS; balanced amplifier; size-reduction;
Conference_Titel :
Microwave Conference, 2007. APMC 2007. Asia-Pacific
Conference_Location :
Bangkok
Print_ISBN :
978-1-4244-0748-4
Electronic_ISBN :
978-1-4244-0749-1
DOI :
10.1109/APMC.2007.4555141
