Toroidal inductor/transformer stuff

Useful App note (15 pages ) on resistance of windings on toroidal cores from MicroMetals. Charts and equations for Rac/Rdc, etc.

FairRite Products Corp catalog

Lodestone Pacific actually has a lot of useful stuff on their web site (


Some stuff from Michael Ellis on Directional couplers using toroidal transformers

radio/toroid.htm - 6 Jan 2003 - Jim Lux
( radio home page ) (Jim's home page)