120nm无栅极凹槽的AlSb/InAs HEMT: 290GHz fT和335GHz fmax

C. Gardès, S. Bagumako, L. Desplanque, N. Wichmann, S. Bollaert, F. Danneville, X. Wallart, Y. Roelens
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引用次数: 2

摘要

本文报道了栅极长度为120nm的AlSb/InAs高电子迁移率晶体管(HEMT)在室温下的高频性能。在0.36V漏极偏压下同时获得290/335 GHz的优异组合截止频率fT/fmax,再次证明了AlSb/InAs HEMT能够以低功耗进行高频工作。提取了小信号等效电路参数。
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120nm AlSb/InAs HEMT without gate recess: 290GHz fT and 335GHz fmax
In this paper, we report on high frequency performances of AlSb/InAs high electron mobility transistor (HEMT) with 120nm gate length at room temperature. The excellent combined cut-off frequencies fT/fmax of 290/335 GHz simultaneously obtained at drain bias of 0.36V is another demonstration of the ability of AlSb/InAs HEMT for high frequency operation with low-power consumption. Small-signal equivalent circuit parameters have been extracted.
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