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本文讨论两种高阶带通滤波器的设计方法。用这两种方法可以简化滤波器的数学设计过程，并可利用ＬＴＣ’ｓ系列开关电容滤波器（ＬＴＣ１０５９、６０、６１、６４）实现高质量的带通滤波器。
This article discusses the design of two high-order band-pass filters. Both of these methods simplify the mathematical design of the filter and enable high-quality band-pass filters using LTC’s family of switched capacitor filters (LTC1059, 60, 61, 64).