模拟电路课程设计任务书
20 10 -20 11 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
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;
截止频率fc=100Hz
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
:2天
4. 验收:
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
20 11 年 2 月21 日
任务完成
2011 年3 月 2 日
考核方式
□√ □√ □√ □√
指导教师
系(部)主任
摘要
二阶高通滤波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;
目录
前言································································4
第一章设计内容····················································5
··················································5
························································5
第二章滤波器的基本理论············································6
················································6
··············································7
····················································8
第三章滤波系统中高通滤波器模块设计·······························11
·····································11
···································12
第四章二阶高通滤波器电路仿真·············
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