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Single- and dual-feedback transimpedance amplifiers implemented by SiGe HBT technology

机译:通过SiGe HBT技术实现的单反馈和双反馈互阻放大器

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摘要

Monolithically integrated SiGe/Si heterojunction bipolar transistor (HBT) transimpedance amplifiers, with single- and dual-feedback configurations, have been designed, fabricated, and characterized. The single-feedback amplifier showed transimpedance gain and bandwidth of 45.2 dB/spl Omega/ and 3.2 GHz, respectively. The dual-feedback version exhibits improved gain and bandwidth of 47.4 dB/spl Omega/ and 3.3 GHz, respectively. Their performance characteristics are excellent in terms of their application in communication systems.
机译:具有单反馈和双反馈配置的单片集成SiGe / Si异质结双极晶体管(HBT)跨阻放大器已被设计,制造和表征。单反馈放大器的互阻抗增益和带宽分别为45.2 dB / spl Omega /和3.2 GHz。双反馈版本的增益和带宽分别提高了47.4 dB / spl Omega /和3.3 GHz。就其在通信系统中的应用而言,它们的性能特征非常出色。

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