The broadband common mode choke, 1:1 balun and 1:1 unun - PA9X
Common-mode chokes
50:50 ohm (1:1) Common Mode Choke HF Balun Kit - 1500 watt PEP, 1.8-31 MHz
How to Make an RF Choke: Easy DIY Guide
3 - 30 MHz Common mode choke DIY kit - HF kits
Ham Radio - The back yard vertical part 3. Winding the 1:1 common mode choke - YouTube
Common Mode Choke - Line Isolator for HF receivers / 50 W transmitters SV1AFN | eBay
The broadband common mode choke, 1:1 balun and 1:1 unun - PA9X
Manual Common mode choke - HF kits
K6JCA: Transmit Common-Mode Chokes (1:1 Current Baluns); Measurements and Notes
Common-mode chokes
Application Notes : Coil Winding Specialist, Inc.
Balun Choke HF
Ham Radio Site - {Different Kinds of Chokes}
Ham Radio Site - {Different Kinds of Chokes}
Common mode current
Multi-band common mode choke — FlexRadio Community
Homebrew 400 W common mode choke 1.8 to 30 MHz : r/amateurradio
Common Mode Currents
3 - 30 MHz Common mode choke DIY kit - HF kits
Ham Radio Site - {Balanced Line Choke}
A Guide to Understanding Common Mode Chokes | Coilcraft
Common Mode Chokes
High Performance common-mode chokes - Resource Detail - The DXZone.com
