Microwave noise characteristics of AlGaN/GaN HEMTs on high-resistivity silicon substrate

被引:4
|
作者
Liu, Z. H. [1 ]
Arulkumaran, S. [1 ]
Ng, G. I. [1 ]
Cheong, W. C. [1 ]
Zeng, R. [1 ]
Bu, J. [1 ]
Wang, H. [1 ]
Radhakrishnan, K. [1 ]
Tan, C. H. [1 ]
机构
[1] Nanyang Technol Univ, Sch EEE, Singapore 639798, Singapore
关键词
high-electron-mobility transistors; microwave measurements; microwave power amplifiers; semiconductor device fabrication; semiconductor device noise;
D O I
10.1109/RFIT.2005.1598891
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
AlGaN/GaN high-electron-mobility-transistors (HEMTs) with 0.8-mu m- and 0.3-mu m-gate-length were successfully fabricated on high-resistivity (HR) silicon substrate. The cutoff frequency f(T) values of 7 GHz, 22 GHz and maximum oscillation frequency f(max) values of 23 GHz, 40 GHz were achieved for 0.8-mu m- and 0.3-mu m-gate-length device, respectively. A minimum noise figure (NFmin) of 2.0 dB and an associate gain (G(ass)) of 10.3 dB were achieved at 10GHz in 0.3-mu m-gate-length device. This shows the promising potential of AlGaN/GaN HEMTs on high-resistivity Si for cost effective low noise amplifiers.
引用
收藏
页码:127 / 130
页数:4
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