摘要针对冲击波超压存储测试装置中电荷放大器模块设计要求，本文设计了一款程控电荷放大器模块，为冲击波储存测试装置的研制奠定基础。
该电荷放大器模块由电荷转换模块、滤波模块、程控放大模块及输出模块组成。电荷转换模块基于TL081设计，实现了电荷至电压的转换；滤波模块和程控放大模块基于LM4562芯片设计，实现了滤除高频干扰和放大微小信号的功能；输出模块基于LF357芯片设计，实现了按数字电路要求处理输出信号的功能。42363
设计中采用高集成度设计以满足小型化要求，在电荷转换模块中加入辅助电路设计以满足抗干扰需求，并且使用了高阻值电阻以满足低频要求，最后采用程控设计改变反馈电容值及放大倍数以简化实验人员的操作。
在设计完成后制作了实际电路板并使用模拟测试的方法加以验证，测试结果表明本设计频率精度可达0.5~1%，可以满足相关性能要求，设计是可行并可靠的。
毕业论文关键字 冲击波 电荷放大器模块 程控
Title A Kind Of Design Of Charge Amplifier Module For Shock Wave Storage Test
Abstract
Aiming at the requirements of shock wave overpressure storage test device in charge amplifier design, this paper introduces a design of a programmable charge amplifier, the charge amplifier is composed by the charge conversion module, filtering module, program-controlled amplification module and inverting output module. Charge transfer module is based on TL081 design, realizes the conversion of charge to voltage, filter module and programmable amplifier module is based on LM4567 chip design, realizes the function of filtering out the high frequency interference and amplification of small signals; inverting output module is based on LF357 chip design, realize the function of processing the signal into a digital circuit form requested.
This paper designs the high level of integration to meet the requirements of miniaturization, in charge conversion module joins aided design to meet the requirement of anti-jamming, uses high resistance to meet the requirements of low frequency. Finally, this paper uses the programmable design to change sensitivity and magnification to simplify the operation. After the design is completed, the actual circuit board is made and tested. The results show that the design can meet the requirements of the experiment, and the design is feasible and reliable.
Keywords:Shock wave Charge amplifier Programmed
目 次
1 绪论 1
1.1 课题研究背景及意义 1
1.3 本课题主要工作及内容安排 4
2 电荷放大器模块的设计要求分析 5
2.1 冲击波超压测量传感器 5
2.2设计指标分析 5
3 电荷放大器模块设计 6
3.1 放大器总体模块组成及工作原理 6
3.2 电荷转换模块 6
3.3 滤波模块 15
3.4 放大模块 19
3.5 输出模块 21
4 实际制板及测试实验 23
4.1 实验整体设计 23
4.2 电路板的设计及制作 23 LM4562冲击波存储测试用电荷放大器模块设计:http://www.751com.cn/zidonghua/lunwen_42780.html