Modeling and analysis of an uni-traveling carrier hertero-jucntion phototransistor - 文章详情页

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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.　©　2017　IEEE.

关键词：

Mixer circuits Microwave amplifiers Phototransistors Equivalent circuits Circuit simulation

作者机构：

[ 1 ] [Xie, Hongyun]Faculty of Information Technology, Beijing University of Technology, Beijing, China
[ 2 ] [Wu, Jiahui]Faculty of Information Technology, Beijing University of Technology, Beijing, China
[ 3 ] [Sun, Dan]Faculty of Information Technology, Beijing University of Technology, Beijing, China
[ 4 ] [Liu, Shuo]Faculty of Information Technology, Beijing University of Technology, Beijing, China
[ 5 ] [Liu, Rui]Faculty of Information Technology, Beijing University of Technology, Beijing, China
[ 6 ] [Zhang, Wanrong]Faculty of Information Technology, Beijing University of Technology, Beijing, China
[ 7 ] [Yi, Xiaoyan]Research and Development Center for Semiconductor Lighting, Institute of Semiconductors, CAS, Beijing, China

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