一种用于光收发器的高性能宽带CMOS通阻放大器

The 3rd IEEE International Workshop on System-on-Chip for Real-Time Applications, 2003. Proceedings. Pub Date : 1900-01-01 DOI:10.1109/IWSOC.2003.1213010

S. M. Rezaul Hasan

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引用次数: 3

摘要

本文介绍了一种采用低成本安捷伦0.5 /spl μ m 3M2p CMOS工艺技术的新型低噪声CMOS电流反馈跨阻放大器。利用感应峰值技术扩展了放大器的带宽，仿真结果表明，-3 dB带宽为3.5 GHz，通阻增益为/spl ap/ 60 dB欧姆。放大器的动态范围足够高，可以在测试输入电流为100 /spl mu/ a时实现约400 mV的输出电压摆幅。输出噪声电压谱密度为12 nV/sqrt(Hz)(峰值为/spl ap/ 25 nV/sqrt(Hz))，而输入参考噪声电流谱密度在放大器频带内低于20 pA/sqrt(Hz)。

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 high performance wide-band CMOS transimpedance amplifier for optical transceivers

This paper describes a novel low noise CMOS current feed-back transimpedance amplifier using a low-cost Agilent 0.5 /spl mu/m 3M2p CMOS process technology. The bandwidth of the amplifier was extended using inductive peaking technique and simulation results indicated a -3 dB bandwidth of 3.5 GHz with a transimpedance gain of /spl ap/ 60 dB ohms. The dynamic range of the amplifier was high enough to enable an output voltage swing of around 400 mV for a test input current of 100 /spl mu/A. The output noise voltage spectral density was 12 nV/sqrt(Hz) (with a peak of /spl ap/ 25 nV/sqrt(Hz)), while the input referred noise current spectral density was below 20 pA/sqrt(Hz) within the amplifier frequency band.

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The 3rd IEEE International Workshop on System-on-Chip for Real-Time Applications, 2003. Proceedings.

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