Very simple, very effective outboard CW Audio Filter
Posted: Sat Aug 27, 2016 9:14 am
It is possible to realize an excellent CW radiotelegraph outboard passive audio filter with
just one inductor and one capacitor. I describe this in some detail on this page of my website :
http://ki3u.byethost3.com/Radio-Physics ... ilter.html
Berj / KI3U
just one inductor and one capacitor. I describe this in some detail on this page of my website :
http://ki3u.byethost3.com/Radio-Physics ... ilter.html
Berj / KI3U