Interdigital Filter Design

Here is a scanned pdf of my 1984 Radcom article called A Simple Way to Design Narrowband Interdigital Filters .

Many people have used this method – design your filter, build it and it will work.

VK3UM (SK) wrote a program to implement this method, which is still on Doug’s legacy website at: http://www.vk3um.com/interdigital%20filter.html

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