>Some of the USB cables I get with appliances also include a graphite >choke to reduce interference.
Some Apple keyboards have a ferrite core on the end of the cable that plugs into the computer. I think that is supposed to limit radiation FROM the keyboard. Not to keep QRN out of the computer. ************************************************************************* ** List info, subscription management, list rules, archives, privacy ** ** policy, calmness, a member map, and more at http://www.cguys.org/ ** *************************************************************************
