Magnetics Inc. www.mag-inc.com also has downloadable freeware on their
site. They have recently redone their catalog also.

"David Snyder Hale" wrote in message
...
Are there tables and/or equations for designing toroids? For example,
I have some ferrite cores here, and I want to know how many turns on
what kind of core to get the inductance I need. (Calculating Q would
be nice, too.)

Tnx,

--
Dave * N3WTK (DM04xf) * http://isi.mtwilson.edu * VE