using a CUSTOM BUILD GAUSSIAN audio bandpass filter from W3NQN, to minimize the harmonics and edge noise generated from a 'keyed' TWIN-T CPO

2 views

Skip to first unread message

unread,

Jul 12, 2022, 1:17:33 PM7/12/22

to iCW - internet CW

for more info on this special custom build for filtering QRQ CW, from W3NQN, please see previous videos and their notes in their video descriptions: https://youtu.be/lrJF2Av4k90 https://youtu.be/QJEK184CZPA

Reply all

Reply to author

Forward

0 new messages