檢視开关电容滤波器的原始碼

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|<center>'''开关电容滤波器'''<br><img
src="https://ts1.cn.mm.bing.net/th/id/R-C.5e99f35e91c9f0d582d0b01739f926f8?rik=Lug2iH6umroIVA&riu=http%3a%2f%2fwww.520101.com%2ffiles%2fbeyondpic%2f2006-12%2f15%2f06121515141436571.gif&ehk=JAWnMmB93e%2fZINIXGA%2b7CYxKfrjBjBWsxqSg%2fqqHoh4%3d&risl=&pid=ImgRaw&r=0" width="280"></center><small>  圖片來自优酷</small> 
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由 MOS开关、[[电容器]]和运算放大器构成的一种离散时间模拟滤波器。开关电容滤波器广泛应用于通信系统的脉冲编码调制。