...plenty of fast capacitors (ceramic, not electrolytic) close to the supply pins of the chips, short and wide power lines...
Uwe. > hi, > here is a weered problem i stuck with developing a board of mine. > it's a very heavy loaded board with many FPGA's on that "eat" a lot of > power (100W) > the problem is that those FPGA's do a heavy work once every 2msec wich > creates power drop of about 0.2 volt. > it results with the voltage looking like this: > /\ ___/\ ___ > \/ \/ > where the mean voltage is 3.3V > anyone know how to deal with thease voltage dropout (thy cause > malfunctioning of the curcit) > regars, Michael -- Author: Uwe Zimmermann INET: [EMAIL PROTECTED] Fat City Hosting, San Diego, California -- http://www.fatcity.com --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
