单行程载流子异质结光电晶体管的建模与分析

2017 International Conference on Circuits, System and Simulation (ICCSS) Pub Date : 2017-07-01 DOI:10.1109/CIRSYSSIM.2017.8023175

Hongyun Xie, Jia-hui Wu, Dan Sun, Shuo Liu, Rui Liu, Wanrong Zhang, X. Yi

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引用次数: 0

摘要

为了简化微波光放大器和混频器的设计，本文建立了UTC-HPT的等效电路模型。基于HBTs等效电路模型，合理地引入了UTC-HPT中的光生电流作为基极电流的一部分。该模型仔细考虑了光生载流子对跨导、阻挡电容、扩散电容和结电阻等等效电路元件的影响。最后，对集电极输出电流进行了检验，验证了模型的有效性，并利用所建立的模型对光电流增益和光特性频率进行了分析。

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Modeling and analysis of an uni-traveling carrier hertero-jucntion phototransistor

In this paper, the equivalent circuit model of UTC-HPT is established to simplify the microwave optical amplifier and mixer design. Based on the equivalent circuit model of HBTs, the photo-generated current in UTC-HPT is introduced reasonably as part of base current. The influence of photogenerated carriers on several equivalent circuit components such as trans-conductance, barrier capacitor, diffusion capacitor and junction resistor are considered carefully in the model. Finally, the collector output current is checked to verify the model validity and the photo-current gain and the photo-characteristic frequency are analyzed with the established model.

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2017 International Conference on Circuits, System and Simulation (ICCSS)

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