Nandu@cup.portal.com (Narendra J Kulkarni) (08/18/90)
try TDK catalog, in boston call 508-624-4262, chicago 708-803-6100, TDK has K8 type of ferrite and is usable in 100MHz range,some other types are V4F etc, also try Ferroxcube, they are in Atlanta I think ?, don't have much info on Ferroxcube