Title :
A Novel Compact Reconfigurable Quad-band Power Amplifier Employing RF-MEMS Switches
Author :
Fukuda, Atsushi ; Okazaki, Hiroshi ; Narahashi, Shoichi
Author_Institution :
NTT DoCoMo, Inc., Yokosuka
Abstract :
A new reconfigurable multi-band power amplifier (PA) is presented. The newly proposed band-switchable matching network (MN) with a reconfigurable stub makes the multi-band PA compact. The MN employs RF-MEMS (micro-electro-mechanical systems) switches to change the operation band of the PA. According to the proposed scheme, a 0.9, 1.5, 1.9, and 2.5-GHz quad-band PA was designed and fabricated. The fabricated 1W-class PA achieved high output power and high power added efficiency as expected in each band. The results show that the reconfigurable PA contributes to future mobile terminals
Keywords :
UHF power amplifiers; microswitches; 0.9 to 2.5 GHz; 1 W; RF-MEMS switches; band-switchable matching network; microelectromechanical systems switches; power added efficiency; radiofrequency switches; reconfigurable multiband power amplifier; reconfigurable quad-band power amplifier; reconfigurable stub; Circuits; FETs; Impedance matching; Power amplifiers; Power generation; Radio frequency; Radiofrequency microelectromechanical systems; Switches; Tin; Tuning; band-switchable matching network; microelectromechanical devices; multi-band; power amplifiers; switches;
Conference_Titel :
Microwave Conference, 2006. 36th European
Conference_Location :
Manchester
Print_ISBN :
2-9600551-6-0
DOI :
10.1109/EUMC.2006.281327
