GaAs HBT Limiting Amplifier for SDH-64 Optical Receiver

LIU Huan-yan; WANG Rong; FENG Jun; WANG Zhi-gong; XIONG Ming-zhen

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GaAs HBT Limiting Amplifier for SDH-64 Optical Receiver

更新时间：2025-07-16

- GaAs HBT Limiting Amplifier for SDH-64 Optical Receiver
- Acta Electronica Sinica Vol. 31, Issue 5, Pages: 711-713(2003)
- 作者机构：
  
  东南大学射频与光电集成电路研究所,东南大学-华邦电子联合研究中心,江苏,南京,210096
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN929
- Published：2003
- 稿件说明：
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LIU Huan-yan, WANG Rong, FENG Jun, et al. GaAs HBT Limiting Amplifier for SDH-64 Optical Receiver[J]. Acta Electronica Sinica, 2003, 31(5): 711-713.
DOI：

LIU Huan-yan, WANG Rong, FENG Jun, et al. GaAs HBT Limiting Amplifier for SDH-64 Optical Receiver[J]. Acta Electronica Sinica, 2003, 31(5): 711-713. DOI：

摘要

采用2μm GaAs HBT工艺实现了10Gb/s的限幅放大器.整个系统包括一级输入缓冲、三级放大、一级用于驱动50Ω传输线的输出缓冲和失调电压补偿回路四个部分.采用双电源供电

正电源为3.3V

负电源为-2V

功耗为500mW.在输出电压幅度保持恒定(单端峰峰值300mV)的条件下

输入动态范围约为38dB.芯片面积为1.15×0.7mm

Abstract

A 10Gbit/s limiting amplifier is realized in a 2μm GaAs HBT technology.The Whole circuit consists of an input buffer

three similar amplifier cells

an output buffer for driving 50 Ohm transmission lines and a pair of feedback networks for offset cancellation.At a positive supply voltage of 3.3V and a negative supply voltage of -2V

the power dissipation is 500mW.The input dynamic range is about 38dB with a constant output voltage swing(300mVp-p).The chip area is 1.15 time 0.7mm

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