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A Reconfigurable Multi-Band Class E Power Amplifier Using CMOS Technology
Min Li HUANG Hyung-Joun YOO Sin-Chong PARK
IEICE TRANSACTIONS on Communications
Publication Date: 2009/07/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Devices/Circuits for Communications
power amplifier, class E, reconfigurable, CMOS,
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This paper presents a reconfigurable multi-band class E power amplifier designed in CMOS technology. The proposed class E power amplifier operates efficiently over sparsely separated frequency bands by switching the capacitance of the load network. Simulation results showed a stable and high power added efficiency of 60% with 18.5 dB gain, and 83% with 14.5 dB gain for 2.4 GHz and 5 GHz WLAN applications, respectively.