Presentation 2006/6/26
Low Distortion GaN Power Amplifier Technology for L/S band Applications(Session 5 Compound Semiconductor Devices II,AWAD2006)
Kohji MATSUNAGA, Hironobu MIYAMOTO, Hidenori SHIMAWAKI,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) This paper describes design and performance of GaN power amplifier for L/S-band applications. Moreover, theoretical approach of low distortion methods and eliminating memory effects at high voltage operation are described. The developed GaN amplifier demonstrated 370W peak power at 2.14GHz WCDMA signal. The Power amplifier also delivered low intermodulation of -50dBc with low asymmetry ratio after DPD linearization.
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Keyword(in English) GaN / Amplifier / Low distortion / Memory effect / Digital pre-distortion
Paper # ED2006-76,SDM2006-84
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Committee SDM
Conference Date 2006/6/26(1days)
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Language ENG
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Low Distortion GaN Power Amplifier Technology for L/S band Applications(Session 5 Compound Semiconductor Devices II,AWAD2006)
Sub Title (in English)
Keyword(1) GaN
Keyword(2) Amplifier
Keyword(3) Low distortion
Keyword(4) Memory effect
Keyword(5) Digital pre-distortion
1st Author's Name Kohji MATSUNAGA
1st Author's Affiliation Advanced HF Device R&D Center, R&D Association for Future Electron Devices:System Devices Research Laboratories, NEC Corporation()
2nd Author's Name Hironobu MIYAMOTO
2nd Author's Affiliation Advanced HF Device R&D Center, R&D Association for Future Electron Devices
3rd Author's Name Hidenori SHIMAWAKI
3rd Author's Affiliation Advanced HF Device R&D Center, R&D Association for Future Electron Devices:System Devices Research Laboratories, NEC Corporation
Date 2006/6/26
Paper # ED2006-76,SDM2006-84
Volume (vol) vol.106
Number (no) 138
Page pp.pp.-
#Pages 7
Date of Issue