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首页> 外文期刊>IEEE Journal of Solid-State Circuits >A physically based compact model of partially depleted SOI MOSFETsfor analog circuit simulation
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A physically based compact model of partially depleted SOI MOSFETsfor analog circuit simulation

机译：用于模拟电路仿真的部分耗尽SOI MOSFET的基于物理的紧凑模型

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In this paper, the Southampton Thermal AnaloGue (STAG) compactnmodel for partially depleted (PD) silicon-on-insulator (SOI) MOSFETs isnpresented. The model uses a single expression to model the channelncurrent, thereby ensuring continuous transition between all operatingnregions. Furthermore, care has been taken to ensure that this expressionnis also infinitely differentiable, resulting in smooth and continuousnconductances and capacitances as well as higher order derivatives.nFloating-body effects, which are particular to PD SOI and which are ofnconcern to analog circuit designers in this technology, are wellnmodeled. Small geometry effects such as channel length modulation (CLM),ndrain-induced barrier lowering (DIBL), charge sharing, and high fieldnmobility effects have also been included. Self-heating (SH) effects arenmuch more apparent in SOI devices than in equivalent bulk devices. Thesenhave been modeled in a consistent manner, and the implementation innSPICE3f5 gives the user an additional thermal node which allows internalndevice temperature rises to be monitored and also accommodates thenmodeling of coupled heating between separate devices. The model has beennsuccessfully used to simulate a variety of circuits which commonly causenproblems with convergence. Due to its inherent robustness, the model cannnormally achieve convergence without recourse to the setting of initialnnodal voltage estimates
机译：本文提出了用于部分耗尽（PD）绝缘体上硅（SOI）MOSFET的南安普敦热AnaloGue（STAG）紧凑模型。该模型使用单个表达式对通道电流进行建模，从而确保所有操作区域之间的连续过渡。此外，还要注意确保该表达式也可以无限微分，从而产生平滑且连续的电导和电容以及高阶导数。技术，都很好。包括通道长度调制（CLM），沟道引起的势垒降低（DIBL），电荷共享和高场迁移率效应在内的小几何效应也已包括在内。 SOI器件中的自热（SH）效应比等效的大体积器件中更为明显。该传感器已经以一致的方式进行建模，并且inSPICE3f5的实现为用户提供了一个额外的热节点，该节点可以监控设备内部的温度升高，并且还可以适应单独设备之间耦合加热的建模。该模型已成功用于模拟各种电路，这些电路通常会引起收敛问题。由于其固有的鲁棒性，该模型通常无法实现收敛而无需求助于初始节点电压估计的设置

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