A 0.18 μm CMOS transimpedance amplifier with 26 dB dynamic range at 2.5 Gb/s

被引：12
|
作者：
Aznar, Francisco [1 ]
Gaberl, Wolfgang [1 ]
Zimmermann, Horst [1 ]
机构：
[1] Vienna Univ Technol, Inst Electrodynam Microwave & Circuit Engn, A-1040 Vienna, Austria
来源：
MICROELECTRONICS JOURNAL | 2011年 / 42卷 / 10期
关键词：
CMOS analog integrated circuits; Duty cycle distortion; Dynamic range; Optical receivers; Transimpedance amplifiers; RECEIVER;
D O I：
10.1016/j.mejo.2011.06.005
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A new transimpedance amplifier (TIA) for 2.5 Gb/s optical communications fabricated in a standard 0.18 mu m CMOS process is presented. The proposed TIA is based on a conventional structure with an inverting voltage amplifier and a feedback resistor, but incorporates a new technique to enhance the input dynamic range and to prevent the TIA from saturation at high input currents. According to electrical characterization the receiver shows an optical sensitivity of -26 dB m for a BER=10(-12), assuming a responsivity of 1 A/W, and an optical power dynamic range above 26 dB. The power consumption of the core is only 10.6 mW at a single supply voltage of 1.8 V. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1136 / 1142
页数：7
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