A. Fukuda, H. Okazaki, S. Narahashi, T. Hirota, Y. Yamao
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A 900/1500/2000-MHz triple-band reconfigurable power amplifier employing RF-MEMS switches
A triple-band reconfigurable power amplifier (PA), which comprises the band-switchable matching networks with RF-MEMS switches, is presented. The design method of the triple-band PA is described and switch requirements for multi-band operation are discussed. The switch satisfies the estimated requirements. The fabricated triple-band PA achieves high output power and high power added efficiency in three different frequency bands, 900 MHz, 1500 MHz, and 2000 MHz, respectively. We conclude that the proposed reconfigurable PA is easily expanded to multi-band operation and is quite promising for future mobile terminals.
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