Presentation 2003/11/11
A Broad-Band High-Efficiency C-Band Internally-Matched FET
H. Ohtsuka, K. Mori, H. Yukawa, Y. Minamide, Y. Kittaka, T. Tsunoda, S. Ogura, T. Takagi,
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Abstract(in English) In this paper, we present a broad-band and high-efficiency C-band internally-matched FET. Optimum impedances at fundamental and second harmonic frequencies were accurately estimated from source- and load-pull simulation by using an accurate large signal FET model. The matching circuits were designed to realize the optimum impedances in a broad-band. The large signal FET model is based on Angelov model, which accurately predicts I-V characteristics of FETs. The model parameters were extracted for a unit cell FET with a small gate width. We scaled up the unit cell FET model to 1 chip FET model with a wide gate width, accounting for increase of source inductance by sharing via holes. The developed internally-matched FET has achieved power-added efficiency (PAE) of over 65 % across 300MHz bandwidth. It is confirmed that internally-matched FETs can be effectively designed by using the large signal FET model.
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Keyword(in English) microwave / amplifier / large signal model / internally-matched FET
Paper # NW2003-205
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Committee MW
Conference Date 2003/11/11(1days)
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Registration To Microwaves (MW)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Broad-Band High-Efficiency C-Band Internally-Matched FET
Sub Title (in English)
Keyword(1) microwave
Keyword(2) amplifier
Keyword(3) large signal model
Keyword(4) internally-matched FET
1st Author's Name H. Ohtsuka
1st Author's Affiliation Mitsubishi Electric Corporation()
2nd Author's Name K. Mori
2nd Author's Affiliation Mitsubishi Electric Corporation
3rd Author's Name H. Yukawa
3rd Author's Affiliation Mitsubishi Electric Corporation
4th Author's Name Y. Minamide
4th Author's Affiliation Mitsubishi Electric Corporation
5th Author's Name Y. Kittaka
5th Author's Affiliation Mitsubishi Electric Corporation
6th Author's Name T. Tsunoda
6th Author's Affiliation Mitsubishi Electric Corporation
7th Author's Name S. Ogura
7th Author's Affiliation Mitsubishi Electric Corporation
8th Author's Name T. Takagi
8th Author's Affiliation Mitsubishi Electric Corporation
Date 2003/11/11
Paper # NW2003-205
Volume (vol) vol.103
Number (no) 439
Page pp.pp.-
#Pages 5
Date of Issue