基于0.13\ \mu\math {m}$ BiCMOS技术的25Gb/s突发模式光接收机前端

2020 IEEE 5th International Conference on Integrated Circuits and Microsystems (ICICM) Pub Date : 2020-10-23 DOI:10.1109/ICICM50929.2020.9292258

Gan Pang, Yingmei Chen, Jiakai Xiao, Yigang Chen, J. Peng, Tong Wang, En Zhu

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摘要

本文提出了一种新的25Gb/s突发模式光接收机前端，该前端由跨阻放大器(TIA)、自动增益控制(AGC)和直流偏置抵消(DCOC)缓冲器组成。为了降低输入噪声和获得合适的AGC增益范围，设计了高跨阻增益的TIA。不采用传统的峰值检测器，采用前馈AGC级，缩短稳定时间，适应突发信号。仿真结果表明，所提出的前端电路实现了$1.6\ \mu \text{AAMS}$的低噪声，整定时间为70ns。在0.13\ \mu\ mathm {m}$ BiCMOS技术中，光接收器前端从3.3V电源消耗300mW。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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A 25Gb/s Burst Mode Optical Receiver Front-End in 0.13\ \mu\mathrm{m}$ BiCMOS Technology

A new 25Gb/s burst mode optical receiver front-end is proposed in this paper, which consists of a transimpedance amplifier (TIA), an automatic gain control (AGC) and a DC offset cancellation (DCOC) buffer. High transimpedance gain of the TIA is designed to decrease input noise and acquire appropriate AGC gain range. Without conventional peak detector, a feedforward AGC stage is adopted to shorten the stabilization time and adapt to burst signal. Simulation results show that the proposed front-end circuit achieves low noise of $1.6\ \mu \text{AAMS}$, setting time of 70ns. In 0.13\ \mu\mathrm{m}$ BiCMOS technology, the optical receiver front end consumes 300mW from a 3.3V supply.

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2020 IEEE 5th International Conference on Integrated Circuits and Microsystems (ICICM)

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