An efficient CMOS power‐combining technique with differential and single‐ended power amplifier | Zendy

Cho Eunil | Zendy; Song Yonghoon | Zendy; Lee Sungho | Zendy; Park Joontae | Zendy; Nam Sangwook | Zendy

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An efficient CMOS power‐combining technique with differential and single‐ended power amplifier

Author(s) -

Cho Eunil,

Song Yonghoon,

Lee Sungho,

Park Joontae,

Nam Sangwook

Publication year - 2010

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.25460

Subject(s) - cmos , amplifier , power (physics) , electrical engineering , electronic engineering , engineering , power added efficiency , microwave , differential amplifier , telecommunications , physics , quantum mechanics

This article proposes an efficient power‐combining architecture with differential and single‐ended power amplifiers (PAs) in a CMOS process. The single‐ended amplifier is added for overall efficiency enhancement. To demonstrate this concept, a CMOS PA using the proposed architecture was fabricated with a 0.13‐μm CMOS technology that delivers 30.6 dBm of output power with 42% drain efficiency and 38% power‐added efficiency at 1.95 GHz. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52:2214–2217, 2010; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.25460

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