Small- and Large-Signal Performance of III-Nitride RF Switches With Hybrid Fast/Slow Gate Design

被引:7
|
作者
Sattu, Ajay Kumar [1 ]
Yang, Jinwei [1 ]
Gaska, Remis [1 ]
Khan, Md Bilal [2 ]
Shur, Michael [3 ]
Simin, Grigory [2 ]
机构
[1] Sensor Elect Technol, Columbia, SC 29209 USA
[2] Dept Elect Engn, Columbia, SC 29209 USA
[3] Rensselaer Polytech Inst, Dept Elect Engn, Troy, NY 12180 USA
关键词
AlGaN/GaN; heterostructure field-effect transistors (HFETs); IP3; MMIC; SPDT;
D O I
10.1109/LMWC.2011.2138686
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
We report on the small-signal and power performance of AlGaN/GaN RF switches with novel gate design incorporating regular metal gate deposited over a "slow" gate electrode formed by a low-conducting InGaN film. SPDT RF switch MMICs using hybrid "fast/slow" gate AlGaN/GaN MOSHFETs show superior transmission characteristics while maintaining the same high-power and high-linearity performance as the switches based on conventional MOSHFETs.
引用
收藏
页码:305 / 307
页数:3
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