In0.52Al0.48As/In0.53Ga0.47As HEMT's on InP substrates

Chia Song Wu, Yi Jen Chan, Chu Dong Chen, Tien Huat Gan, Jen Inn Chyi

研究成果: 會議貢獻類型會議論文同行評審

摘要

In0.52Al0.4gAs/In0.53Ga0.47As high electron mobility transistor(HEMT) layer structure were grown by a Riber-32P MBE system on (100) InP.Fe substrates. Devices with 0.8 μ m gate-length demonstrated a peak extrinsic transconductance of 262 mS/mm at 300 K. A 25% g m enhancement was found, once devices were cooled down to 77 K. Microwave characteristics revealed a current gain cutoff frequency(fT) of 28 GHz and a maximum oscillation frequency (fmax) of 48 GHz at 300 K.Bsed on the measured S-parameters (45MHz-50GHz), the equivalent circuit model of In0.52Al0.48As/In 0.53Ga0.47As HEMT's was simulated which will be used for the future monolithic amplifier designs.

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DOIs
出版狀態已出版 - 1994
事件1994 International Electron Devices and Materials Symposium, EDMS 1994 - Hsinchu, Taiwan
持續時間: 12 7月 199415 7月 1994

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???event.eventtypes.event.conference???1994 International Electron Devices and Materials Symposium, EDMS 1994
國家/地區Taiwan
城市Hsinchu
期間12/07/9415/07/94

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