A Low Power Wideband Differential Transimpedance Amplifier for Optical Receivers in 0.18-μm CMOS

被引：0

作者：

Seng, Chong Whye ^{[1
]}

Sern, Tan Yung ^{[1
]}

Seng, Yeo Kiat ^{[1
]}

机构：

[1] Nanyang Technol Univ, Sch Elect & Elect Engn, VIRTUS IC Design Ctr Excellence, Singapore 639798, Singapore

来源：

2013 IEEE 11TH INTERNATIONAL NEW CIRCUITS AND SYSTEMS CONFERENCE (NEWCAS) | 2013年

关键词：

Amplifiers; differential; low power; optical receivers; wideband;

D O I：

暂无

中图分类号：

TP301 [理论、方法];

学科分类号：

081202 ;

摘要：

This paper presents a low power wideband differential TIA for optical receivers. The wideband operation is achieved by modifying a conventional regulated cascode input stage and combining it with a feedback amplifier in a 0.18 mu m CMOS process. The post-layout simulation results show that the proposed TIA has a bandwidth of 4.5 GHz, average input referred noise current spectral density of 13.7 pA/sqrtHz from DC to 7 GHz, and transimpedance gain of 64.8 dB Omega. The proposed TIA dissipates only 3.5 mW with a 1.8 V power supply. The core circuit occupies a chip area of 97 mu m x 53 mu m.

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页数：4

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