A bandstop filter of arbitrary bandwidth can be obtained by a cascade connection of multi-staged two-section open stubs with proper frequency scaling.

 
  • 藉由并聯(lián)多段正確頻率的兩段式開(kāi)路殘枝,我們可以得到一個(gè)任意頻寬的帶拒濾波器。
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