Here’s a cute article on the use of ferrite beads written by a couple of engineers at Intersil. Some interesting stuff about why ferrite inductors work so well.
It looks like this article is no longer available. Instead, take a look at Ferrite Beads Demystified by Aldrick Limjoco and Jefferson Eco of Analog Devices.
Dan KB6NU says
It looks like this article is no longer available. Instead, take a look at Ferrite Beads Demystified by Aldrick Limjoco and Jefferson Eco of Analog Devices.