46‐W high efficiency unbalanced doherty power amplifier in extended output power back‐off | Zendy

Jang DongHee | Zendy; Kim JiYeon | Zendy; Kim JongHeon | Zendy

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46‐W high efficiency unbalanced doherty power amplifier in extended output power back‐off

Author(s) -

Jang DongHee,

Kim JiYeon,

Kim JongHeon

Publication year - 2012

Publication title -

microwave and optical technology letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.304

H-Index - 76

eISSN - 1098-2760

pISSN - 0895-2477

DOI - 10.1002/mop.26865

Subject(s) - amplifier , electrical engineering , doherty amplifier , power (physics) , power added efficiency , linear amplifier , microwave , transistor , dbc , adjacent channel , adjacent channel power ratio , engineering , rf power amplifier , electronic engineering , materials science , telecommunications , physics , cmos , voltage , quantum mechanics

A 46‐W unbalanced Doherty amplifier is proposed to obtain high efficiency at the output power back‐off beyond 6 dB using the same type of transistors in both the main and the peaking amplifier.An added power efficiency of 38% and an adjacent channel power ratio of −35.6 dBc were measured for a CDMA2000 1FA signal. © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 54:1612–1614, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.26865

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