CMOS Peak Detector Circuit

GAO Song-song; WANG Ying; LIU Yun-tao; LI Ting; GAO Song

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CMOS Peak Detector Circuit

更新时间：2026-09-04

- CMOS Peak Detector Circuit
- Vol. 28, Issue 9, Pages: 73-76(2011)
- 作者机构：
  
  哈尔滨工程大学信息与通信工程学院,黑龙江,哈尔滨,150001
- 作者简介：
- 基金信息：
- DOI：
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- Published：2011
- 稿件说明：
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高松松, 王颖, 刘云涛, 李婷, 高嵩. CMOS峰值检测电路[J]. 微电子学与计算机, 2011, 28(9): 73-76.

GAO Song-song, WANG Ying, LIU Yun-tao, et al. CMOS Peak Detector Circuit[J]. 2011, 28(9): 73-76.
高松松, 王颖, 刘云涛, 李婷, 高嵩. CMOS峰值检测电路[J]. 微电子学与计算机, 2011, 28(9): 73-76. DOI：

GAO Song-song, WANG Ying, LIU Yun-tao, et al. CMOS Peak Detector Circuit[J]. 2011, 28(9): 73-76. DOI：

摘要

采用差动运算放大器加电流镜的方法

设计了一种CMOS峰值检测电路

包括峰值电压检测及输入信号过峰时刻甄别两部分.该电路设计基于0.5μm CMOS工艺

实现对峰值电压范围为0~5V

脉冲宽度1~5μs的准高斯信号的精确检测

误差小于6mV。另外

改进了过峰时刻甄别电路

采用了先微分再过零比较的办法

避免了一个准高斯信号输出多个峰值电压.

Abstract

A CMOS peak detection circuit using differential operational amplifier with current mirror is presented

including input signal peak voltage detector and over-peak discriminator.The circuit design is based on 0.5μm CMOS technology

achieving the detection for quasi-Gaussian signal

the range of which peak voltage is 0~5V and the peaking time is 1~5μs

error is less than 6mV.Another improvement is for over-peak discriminator

using first differential then compared with zero in order to avoid one quasi-Gaussian multiple peak voltage output.

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Related Institution

Xi'an Microelectronics Technology Institute

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