Re: RFI Problems with Certified Computers

1996-04-19 Thread Mike Violette
Hi folks, I've enjoyed the discussion on the subject of ferrites and Vcc and feel compelled to throw in another two cents worth. We have tested numerous products with the ferrite bead in series with the Vcc island that feeds power to a chip. In an overwhelming majority of those cases, we were

RFI Problems with Certified Computers

1996-04-19 Thread Barry Ma
Hi Ladies/Gentlemen, I have been reading with interest the discussion articles on this subject. Since Mike Violette 04/15/96 presented his opinion on VCC/GND plane layout in multilayer board, the discussion seems to be focused on PCB EMC design. Max Kelson

Re: RFI problems with PC's ...

1996-04-19 Thread janos vajda
Regarding segmented ground planes if you want to read an interesting article: Common mode currents induced on wires attached to multilayer PCBs with segmented ground planes by: R. Lee_Hill and others, IEEE Transactions on Electromagnetic Compatibility, 4/94 (0-7803-1398) What they say is