开关电容IC窗体陷波滤波器

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>AppNotes>FILTERCIRCUITS(ANALOG)Keywords:Switched-CapacitorICFormsNotchFilterNov01,2000APPLICATIONNOTE431Switched-CapacitorICFormsNotchFilterSwitched-capacitorfilters(SCFs)arerenownedforeaseofuse.Theyareaccurate,requirenoexternalcomponents,andmaintainapredictableresponseoverallspecifiedoperatingconditions.Forintegrated-circuitSCFs,theirtightlymatchedandtrimmedinternalcapacitorsproduceafixedfrequencyandphaseresponsethatisproportionalsolelytotheexternalclockfrequency.Toconstructanotch(band-reject)orpassbandresponse,themoreflexibleuniversalfilterisneeded.Universalfilters(eitherSCForcontinuous-timetypes)allowanycombinationoflow-pass,h