baluns

VK6YSF's excellent pages on Building Baluns

VK6YSF - Amateur Radio Station - Northam Western Australia

I use the VK6YSF pages to build my baluns. The instructions are clear and cover all the parts and building instructions, and the materials are readily available in Australia.

1:1 Choking balun Choking balun for lower HF and MF bands. (1.8MHz - 10MHz) T250-26 Powdered Iron Toroid Core..

1:1 Guanella current balun 1:1 Guanella current balun (1.8 - 30MHz) L15 ferrite toroid core.

1:4 Guanella current balun 1:4 Guanella current balun (1.8 - 30MHz) L15 ferrite toroid core.

1:1 Ruthroff voltage balun, 1:1 Ruthroff voltage balun (1.8 - 30MHz) T-200-2 powdered iron toroid core.

4:1 Ruthroff voltage balun 4:1 Ruthroff voltage balun (1.8 - 30MHz) T-200-2 powdered iron toroid core.

6:1 Ruthroff voltage balun 6:1 Ruthroff voltage balun (1.8 - 30MHz) L15 ferrite toroid core.

1:9 voltage unun_v1 9:1 voltage unun (1.8 - 30MHz) T-200-2 powdered iron toroid core. Version 1

1:9 voltage unun_v2 9:1 voltage unun (1.8 - 30MHz) L15 ferrite toroid core. Version 2

9:1 Voltage Balun

Also see Martin Ehrenfried G8JNJ 2007 to 2019 - A disscussion on problem of providing a balanced feed from an un-balanced atu. Martin Ehrenfried G8JNJ 2007 to 2019

[Top][Home]




[Top][Home]
Glenn Lyons VK4PK
glenn@LyonsComputer.com.au
Ver:gnl2022 - pre published v0.9