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开关电容IC窗体陷波滤波器

资料介绍
开关电容滤波器(超临界流体)是著名的易用性。他们是正确的,不需要外部元件,并保持在所有指定的经营状况预测的响应。对于集成电路的超临界流体,他们紧紧相匹配和修整的内部电容产生一个固定的频率和相位响应,这是纯粹的外部时钟频率成正比。

Maxim > App Notes > FILTER CIRCUITS (ANALOG)

Keywords: Switched-Capacitor IC Forms Notch Filter Nov 01, 2000

APPLICATION NOTE 431
Switched-Capacitor IC Forms Notch Filter
Switched-capacitor filters (SCFs) are renowned for ease of use. They are accurate, require no external
components, and maintain a predictable response over all specified operating conditions. For integrated-circuit
SCFs, their tightly matched and trimmed internal capacitors produce a fixed frequency and phase response that
is proportional solely to the external clock frequency.

To construct a notch (band-reject) or passband response, the more flexible universal filter is needed. Universal
filters (either SCF or continuous-time types) allow any combination of low-pass, h……
开关电容IC窗体陷波滤波器
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