How to build Ruthroff unun

[sp5it]

Hello.
I`m looking for information how to build Ruthroff unun 4:1.
I need to step down from 200ohm to 50.
Can anyone help?
Mike

[garry92]

Ну и кому не слабО ответить ? :-)

[K6VHF]

Dear Mike! Hello !
See here (link) http://www.cqham.ru/tr.htm and here http://dl2kq.de/ant/3-5.htm on russian language with images.
Best regards!

[sp5it]

Great Links. Thank you.
That`s how looks original one:
http://img491.imageshack.us/img491/4420/p10103579hr.jpg

Similar, don`t you think?
Mike