Presentation 2010-01-22
Derivation of Analytical Equation of Maximum Operating Frequency of Class E Amplifier With Nonlinear Shunt Capacitance
Keisuke NAKAJIMA, Akira ITO, Tadashi SUETSUGU,
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Abstract(in English) The maximum operating frequency of the class E amplifier with nonlinear shunt capacitance depends on the transistor duty ratio. It varies with the duty ratio under zero-voltage switching (ZVS) and zero-derivative switching (ZDS) conditions at fixed values of the output power, dc supply voltage. Therefore, the design of the class E amplifier with given values of the shunt capacitance, the output power, dc supply voltage is possible by adjusting the operating frequency.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Class E power amplifiers / frequency limitation / RF power amplifiers / zero-voltage-switching(ZVS)operation / nonlinear capacitance
Paper # EE2009-43
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Committee EE
Conference Date 2010/1/14(1days)
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Registration To Energy Engineering in Electronics and Communications (EE)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Derivation of Analytical Equation of Maximum Operating Frequency of Class E Amplifier With Nonlinear Shunt Capacitance
Sub Title (in English)
Keyword(1) Class E power amplifiers
Keyword(2) frequency limitation
Keyword(3) RF power amplifiers
Keyword(4) zero-voltage-switching(ZVS)operation
Keyword(5) nonlinear capacitance
1st Author's Name Keisuke NAKAJIMA
1st Author's Affiliation Department of Electronic Engineering and Computer Science, Fukuoka University()
2nd Author's Name Akira ITO
2nd Author's Affiliation Department of Electronic Engineering and Computer Science, Fukuoka University
3rd Author's Name Tadashi SUETSUGU
3rd Author's Affiliation Department of Electronic Engineering and Computer Science, Fukuoka University
Date 2010-01-22
Paper # EE2009-43
Volume (vol) vol.109
Number (no) 371
Page pp.pp.-
#Pages 5
Date of Issue