The design of CMOS preamplifier with AGC in optical receiver

WANG Li-fang; ZHOU Hua; FENG Wei; JIANG Xiang

doi:10.13756/j.gtxyj.2005.06.017

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The design of CMOS preamplifier with AGC in optical receiver

- The design of CMOS preamplifier with AGC in optical receiver
- Study on Optical communication Issue 6, Pages: 53-56(2005)
- 作者机构：
  
  1. 武汉邮电科学研究院
  2. 武汉邮电科学研究院湖北武汉430074
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2005.06.017
  CLC： TN722.71
- Published：2005，
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[1]王丽芳,周华,冯炜,蒋湘.带AGC的CMOS光接收机前置放大器的设计[J].光通信研究,2005(06):53-56.

WANG Li-fang, ZHOU Hua, FENG Wei, et al. The design of CMOS preamplifier with AGC in optical receiver. [J]. (6):53-56(2005)
[1]王丽芳,周华,冯炜,蒋湘.带AGC的CMOS光接收机前置放大器的设计[J].光通信研究,2005(06):53-56. DOI： 10.13756/j.gtxyj.2005.06.017.

WANG Li-fang, ZHOU Hua, FENG Wei, et al. The design of CMOS preamplifier with AGC in optical receiver. [J]. (6):53-56(2005) DOI： 10.13756/j.gtxyj.2005.06.017.

摘要

设计了一种带有自动增益控制电路（AGC）的动态范围较宽的互补型金属氧化物半导体（CMOS）光接收机跨阻前置放大器（TIA）。该放大器的工作电压为3.3 V。采用0.25μm CMOS工艺库仿真

结果表明:小信号输入时

跨阻增益可达76 kΩ

单端输出信号在输入信号为0 dBm时为281 mV。

Abstract

A transimpedance preamplifier with AGG using CMOS process in optical receiver is introduced in this article.It operations under 3.3 V

simulations with 0.25 μm CMOS process.Its transimpedance gain is 76 kΩ when input signal is faintness and single ended output voltage is 281 mV when input signal is 0 dBm.

关键词

自动增益控制电路跨阻前置放大器跨阻增益

Keywords

automatic gain control circuit（AGC）transimpedance preamplifiertransimpedance gain

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