Audio CW filter
Simple tunable CW audio filter. Kit contains SMD parts in 0805 size. Small board, 25x17mm. Great for simple rigs like Rockmite.
http://blog.ok1cdj.com/2012/02/jednoduchy-cw-audio-filtr.html
http://blog.ok1cdj.com/2012/02/jednoduchy-cw-audio-filtr.html
User manual CZ -Document type: .pdf
User manual ENG -Document type: .pdf
User manual ES -Document type: .pdf