阶高通滤波器的设计(1)

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1、模拟电路课程设计任务书2010－2011学年第2学期　第1周－2周题目二阶高通滤波器的设计内容及要求①分别用压控电压源和无限增益多路反馈二种方法设计电路；②截止频率fc=100Hz③增益Av=5进度安排1.布置任务、查阅资料、选择方案，领仪器设备：2天；2.领元器件、焊接、制作：3天3．调试：2天4.验收：0.5天5.提交报告：本学期3～7周学生姓名：指导时间:第1～2周指导地点：E楼601室任务下达2011年2月21日任务完成2011年3月2日考核方式1.评阅□√2.答辩□√3.实际操作□√　4.其它□√指导教师系（部）主任21摘要二阶高通滤波

2、器是容许高频信号通过、但减弱（或减少）频率低于截止频率信号通过的滤波器。高通滤波器有综合滤波功能，它可以滤掉若干次高次谐波，并可减少滤波回路数。对于不同滤波器而言,每个频率的信号的减弱程度不同。其在音频应用中也使用低音消除滤波器或者噪声滤波器。本设计为分别使用压控电压源和无限增益多路反馈两种方法设计二阶高通滤波器。二者电路都是基于芯片LM324设计而成。将信号源接入电路板后，调整函数信号发生器的频率，通过观察示波器可以看到信号放大了5倍。现在工厂对于谐波的治理,应用最多的仍然是高压无源滤波器,高压无源滤波器有多种接线方式,其中单调谐滤波器及二阶高

3、通滤波器使用最为广泛,无源滤波器具有结构简单、设备投资较少、运行可靠性较高、运行费用较低等优点,关键字：高通滤波器；二阶；有源；21目录前言································································4第一章设计内容····················································51.1设计任务和要求··················································51.2设计目的·············

4、···········································5第二章滤波器的基本理论············································62.1滤波器的有关参数················································62.2有源滤波和无源滤波··············································72.3巴特沃斯响应················································

5、····821第三章滤波系统中高通滤波器模块设计·······························113.1压控电压源二阶高通滤波电路·····································113.2无限增益多路反馈高通滤波电路···································12第四章二阶高通滤波器电路仿真······································13第五章系统调试·················································

6、···16第六章结论·······················································175.2对本设计优缺点的分析···········································175.1结论结论与心得·················································17附录一LM324引脚图···············································18附录二元件清单21·····················

7、·······························19附录三参考文献···················································20第一章设计内容1.1设计任务和要求1．　分别用压控电压源和无限增益多路反馈二种方法设计电路；2．　截止频率fc=100Hz3．增益AV＝5；1.2设计目的1.了解滤波器的工作特点2．掌握电子系统的一般设计方法3．掌握常用元器件的识别和测试4．培养综合应用所学知识来指导实践的能力5．熟悉常用仪表，了解电路调试的基本方法6．进一步提高自己的动手实践能力7．掌握专业课程

8、设计报告的格式及流程21第二章滤波器的基本理论2.1滤波器的有关参数实际滤波器的基本参数：理想滤波器是不存在的，在实际滤波器的幅频特性图