电子技术课使用程设计：仪用放大电路的设计初版.doc

湖南文理学院课程设计报告 课程名称： 电子技术设计与工艺实习 院 部： 电气与信息工程学院 专业班级： 自动化10102班 学生姓名： 指导教师： 完成时间： 2012.06.11 报告成绩： 摘 要 放大器是电子系统的重要组成部分，了解和掌握放大器对于学习和应用电子系统有很大的帮助。信号检测中的放大电路有很多种类型，实际系统中常采用的有测量放大器和隔离放大器。放大器及其所用的稳压电源。用集成运放OP07设计的仪用放大电路的放大倍数要在一定范围内可调，具有高共模抑制比，通频带在0～10Hz之间，能克服温漂、零漂的影响，并且能够实现由单相220V交流电压供给电路+12V电源和-12V电源。借助Multisim2001和Proteus仿真软件对电路的最大输出电压、放大倍数、共模抑制能力以及通频带进行分析。通过仿真分析验证了设计的正确性，达到了设计的预期目的。：仪用放大器；集成运放OP07；通频带；高共模抑制能力；稳压电源The amplifier is an electronic system important constituent, understand and master the amplifier to the study and application of electronic system has a great help.Signal detection in the amplifying circuit has many types, the actual system often used in measuring amplifier and isolation amplifier.Measuring amplifier is mainly realized on micro signal measurement, mainly through the use of integrated operational amplifier composition measurement amplification circuit for weak voltage signal amplification. This course is designed to an instrument amplifier and the voltage stabilizing power supply.Integrated operational amplifier OP07 design instrument amplification circuit to the magnification can be adjusted in a certain range, has high common-mode rejection ratio, pass band between 0 ～ 10Hz, can overcome the temperature drift, zero drift effects, and can achieve by 220V single-phase AC voltage supply circuit +12V and the -12V power supply.With the help of Multisim2001 and Proteus simulation software to the maximum output voltage of the circuit, amplification, common-mode rejection ability as well as the pass band analysis.Through analysis of simulation verifies the correctness of the design, to achieve the desired objective of the design.Key words: instrumentation amplifier; integrated operational amplifier OP07; band; high common-mode rejection; regulated power supply目 录 摘 要 I Abstract II 目 录 1 第一章直流稳压源的设计 1 1.1电路设计原理 1 1.2降压部分 1 1.3整流部分 1 1.4滤波部分