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叙述了用开关电容滤波器LMF100构成二阶带通自适应滤波器的设计。其带通滤波器中心频率将跟随特征信号频率变化，克服了传统滤波器带通中心频率不易改变的缺点。
Describes the use of switched capacitor filter LMF100 constitute a second-order band-pass adaptive filter design. The bandpass filter center frequency will follow the characteristic signal frequency changes, to overcome the traditional filter bandpass center frequency is not easy to change the shortcomings.