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LMF100使用问题

1、在Mode3a下,Datasheet里面写的Hn1和Hn2是代表什么,为什么两者回是反相的?

2、级联方法做4阶的滤波器,高通/低通/带通滤波器是如何接?是在Datasheet的Figure 19基础上根据需要的滤波器类型改变R1B连接的位置,即需要低通/高通/带通就把R1B连接在LPA/HPA/BPA上,其他不用改变吗?