用于OC768光接收机的73 GHz, 180欧姆PHEMT跨阻放大器，采用gm变细

2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535) Pub Date : 2004-06-06 DOI:10.1109/MWSYM.2004.1339089

R. Fratti, K. Hui

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引用次数: 1

摘要

提出了一种跨阻180欧姆、73 GHz 3 dB BW、群延迟低于20 pS、输出振荡840 mVpp、输出回波损耗在40 GHz范围内优于15 dB、输入检测器电流线性范围大于3 mA的分布式TIA。放大器采用了一种通用锥形技术，在不显著增加功耗的情况下提高了跨阻。给出了适用于RZ和nrz40gb /s系统的光电性能。

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A 73 GHz, 180 Ohm PHEMT transimpedance amplifier, employing gm tapering, for OC768 optical receivers

A distributed TIA with 180 Ohm transimpedance, 73 GHz 3 dB BW, group delay below 20 pS, 840 mVpp output swings, output return loss better than 15 dB through 40 GHz and a linear range above 3 mA input detector current is presented. The amplifier employs a gm tapering technique that improves transimpedance without a significant increase in power consumption. Optical-electrical performance is presented demonstrating performance suitable for both RZ and NRZ 40 GB/s systems.

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来源期刊

2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535)

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