Title :
836 MHz/1.95GHz Dual-Band Class-E Power Amplifier Using Composite Right/Left-Handed Transmission Lines
Author :
Ji, Seung Hun ; Hwang, Gyu Seok ; Cho, Choon Sik ; Lee, Jae W. ; Kim, Jaeheung
Author_Institution :
Sch. of Electron., Hankuk Aviation Univ., Gyeonggi
Abstract :
A dual-band Class-E power amplifier using composite right/left-handed transmission lines is proposed. Dual-mode operation is achieved by the frequency offset and nonlinear phase slope of CRLH TL for the matching network of power amplifiers. The frequency ratio of two operating frequencies is not necessarily an integer. Two operating frequencies are chosen 836MHz and 1.95GHz in this work. The simulated results show that output power of 24.9 and 24.1 dBm was obtained at 836MHz and 1.95GHz, respectively. In terms of maximum PAE, we obtain 48.63% and 48.29% at two operating frequencies
Keywords :
UHF power amplifiers; metamaterials; transmission lines; 1.95 GHz; 836 MHz; composite right/left-handed transmission lines; dual-band Class-E power amplifier; matching network; Circuits; Dual band; Microwave amplifiers; Operational amplifiers; Power amplifiers; Power engineering and energy; Power transmission lines; Radio frequency; Radiofrequency amplifiers; Switches; CRLHTL; Class-E; dual-band; power amplifier;
Conference_Titel :
Microwave Conference, 2006. 36th European
Conference_Location :
Manchester
Print_ISBN :
2-9600551-6-0
DOI :
10.1109/EUMC.2006.281347
