照明hbt的偏置增益和速度机制

1996 26th European Microwave Conference Pub Date : 1996-10-01 DOI:10.1109/EUMA.1996.337749

L. de Barros, A. Paolella, P. Herczfeld, A. Rothwarf, A. Rosen

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引用次数: 0

摘要

讨论了基于物理的照明HBT的定量分析，并进行了实证验证。描述了一种具有大增益和带宽的新型光学机制——内部光电导率。采用恒定的外部基极电流偏置配置，而不是恒定的基极-发射极电压配置，可以大大提高器件的响应性，在这种情况下可提高20倍。从入射光功率和偏置的角度讨论了HBT的瞬态响应。

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Bias dependent gain and speed mechanism in illuminated HBTs

A physics-based quantitative analysis of the illuminated HBT, with empirical verification, is discussed. A novel optical mechanism, internal photoconductivity, with large gain and bandwidth is described. The responsivity of the device can be considerably improved, 20-fold in this case, with a constant external base current biasing configuration as opposed to the constant base-emitter voltage case. The transient response of the HBT is discussed regarding incident optical power and biasing.

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来源期刊

1996 26th European Microwave Conference

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