Design of the Preamplifiers of Acoustic Emission Instrumentations

Li Guozhi

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Design of the Preamplifiers of Acoustic Emission Instrumentations

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- Design of the Preamplifiers of Acoustic Emission Instrumentations
- Optics and Precision Engineering Vol. 0, Issue 4, Pages: 76-79(1988)
- 作者机构：
  
  长春光学精密机械学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：15 August 1988，
  
  Published：15 August 1988
- 稿件说明：
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李国志. 声检测仪的前置放大器设计[J]. 光学精密工程, 1988,(4): 76-79

Li Guozhi. Design of the Preamplifiers of Acoustic Emission Instrumentations[J]. Editorial Office of Optics and Precision Engineering, 1988,(4): 76-79
李国志. 声检测仪的前置放大器设计[J]. 光学精密工程, 1988,(4): 76-79 DOI：

Li Guozhi. Design of the Preamplifiers of Acoustic Emission Instrumentations[J]. Editorial Office of Optics and Precision Engineering, 1988,(4): 76-79 DOI：

摘要

本文介绍了低噪声、高灵敏频带宽的声发射测试仪前置放大器的设计原理

设计方法

并指出参数的选择和指标测定.

Abstract

This paper describes design principles and methods of the preamplifiers of acoustic emission instrumentations. This kind of preamplifier is a low-noise

high sensitivity and wide band amplifier. The paper also points out the selection methods of circuit parameters and the test of the characteristic indexes of the preamplifier.

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