Quote:
Originally Posted by Radio Wrangler
Be careful not to judge baluns entirely on VSWR. Loss can be important.
A 50 ohm resistor or 75 ohm has wonderful VSWR!
David
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That's true.
vk6ysf web site is still down. His design his 5 windings Ruthroff voltage transformer and is relatively easy to wind. It has a measured VSWR of 1.
This is an alternative 5-windings 6:1 design which shows a VSWR of about 1. It is more complicated to wind than vk6ysf version.
http://www.spirat.com.au/vk5zvs/pic32.htm