共查询到17条相似文献,搜索用时 62 毫秒
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提出了一种新的全耗尽SOI MOSFETs阈值电压二维解析模型.通过求解二维泊松方程得到器件有源层的二维电势分布函数,氧化层-硅界面处的电势最小值用于监测SOI MOSFETs的阈值电压.通过对不同栅长、栅氧厚度、硅膜厚度和沟道掺杂浓度的SOI MOSFETs的MEDICI模拟结果的比较,验证了该模型,并取得了很好的一致性. 相似文献
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This paper investigated the temperature dependence of the cryogenic small-signal ac performances of multi-finger partially depleted (PD) silicon-on-insulator (SOI) metal oxide semiconductor field effect transistors (MOSFETs), with T-gate body contact (TB) structure. The measurement results show that the cut-off frequency increases from 78 GHz at 300 K to 120 GHz at 77 K and the maximum oscillation frequency increases from 54 GHz at 300 K to 80 GHz at 77 K, and these are mainly due to the effect of negative temperature dependence of threshold voltage and transconductance. By using a simple equivalent circuit model, the temperature-dependent small-signal parameters are discussed in detail. The understanding of cryogenic small-signal performance is beneficial to develop the PD SOI MOSFETs integrated circuits for ultra-low temperature applications. 相似文献
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提出了一种新的全耗尽SOI MOSFETs阈值电压二维解析模型.通过求解二维泊松方程得到器件有源层的二维电势分布函数,氧化层-硅界面处的电势最小值用于监测SOI MOSFETs的阈值电压.通过对不同栅长、栅氧厚度、硅膜厚度和沟道掺杂浓度的SOI MOSFETs的MEDICI模拟结果的比较,验证了该模型,并取得了很好的一致性. 相似文献
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