吉林大学通信工程学院测控及通信仪器系,吉林,长春,130025
纸质出版:2002
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徐建生, 周求湛, 张新发. 基于迁移率波动的MOSFET线性区域1/f噪声模型[J]. 电子学报, 2002,30(8):1192-1195.
XU Jian-sheng, ZHOU Qiu-zhan, ZHANG Xin-fa. A Novel MOSFET 1/f Noise Model Based on Mobility Fluctuation for Linear Region[J]. Acta Electronica Sinica, 2002, 30(8): 1192-1195.
统一的1/
f
噪声模型
例如BSIM3模型
已经在噪声预测与分析中有着广泛的应用
在多数情况下有很好的效果.然而文献[1
]
中基于物理机理分析的研究表明
统一的1/
f
噪声模型对处于线性区p-MOSFET不能进行正确的描述:当偏置电压
V
gs
增加时
该模型低估了噪声功率的增加.据此
本文提出了一种基于物理机理的迁移率波动(MF)1/
f
噪声模型
并给出了新MF模型与统一的1/
f
噪声模型在线性区的仿真结果.从仿真结果可以看出
新噪声模型更接近于测试的结果.
The unified 1/
f
noise model
such as BSIM3
has been widely used as noise prediction and analysis model
and it works very well in most cases.However
based on physical analysis in [1
]
it is pointed out that the unified 1/
f
noise model may not be suitable to predict the 1/
f
noise for p-type MOSFETs in linear regime because it underestimates noise power so much as bias
V
gs
increases.In this paper
a physically based expression for mobility fluctuation (MF) 1/
f
noise model is derived and simulation results for the new MF model and unified 1/
f
noise are presented together in linear region.The results show that the new models are in agreement with the experimental data well.
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