Mark, My goal is to reduce EMI by changing 90 degree to 45 degree what is your goal ? Why did you show your board to us to check what? Why are you comparing light speed with pcb trace? Andre -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of Mark Rages Sent: Tuesday, May 10, 2005 10:37 AM To: Microcontroller discussion list - Public. Subject: Re: [PIC]: ------- PCB 5 Analog Inputs ------- On 5/10/05, Andre Abelian wrote: > I am sorry > > Over 1 Mhz is high speed > > Andre Google says: the speed of light / (1 megahertz) = 11 802.8527 inches The original correspondent's board was just a few inches per side. There will be much more trouble with low-speed effects, such as ground loops (and shorted inputs!) than high-speed effects. Regards, Mark markrages@gmail -- You think that it is a secret, but it never has been one. - fortune cookie -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist