1.25-Gb/s CMOS front-end amplifier for optical receiver

被引：0
|
作者：
Zheng Rui [1 ]
Li Zhiqun [1 ]
Wang Zhigong [1 ]
Feng Jun [1 ]
Xiong Mingzhen [1 ]
机构：
[1] Southeast Univ, Inst RF & OE ICs, Nanjing 210096, Peoples R China
来源：
2005 ASIA-PACIFIC MICROWAVE CONFERENCE PROCEEDINGS, VOLS 1-5 | 2005年
关键词：
D O I：
暂无
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：
This paper presents a front-end amplifier for 1.25 Gbit/s optical receiver applications, realized in 0.18 mu m CMOS technology. The circuit consists of a transimpedance amplifier followed by a limiting amplifier based on improved Cherry-Hooper structure. It is designed for a relatively large integrated-photodiode capacitance, approximately 1500 fF and fed from a single 1.8 V power supply. The power consumption of the circuit is 68 mW. The equivalent input noise current spectral density is 12 pA/root Hz at 1 GHz: while the whole transimpedance gain achieve's 114 dB Omega. A clear output eye-diagram is obtained with an input voltage 1 mV at 1.25 Gbit/s.
引用
收藏
页码：1620 / 1623
页数：4
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