Which wima parts are you trying to get? (Nice scope shots...I have a TDS3054 too...great little scope!)
> -----Original Message----- > From: Brian Guralnick [mailto:[EMAIL PROTECTED]] > Sent: Monday, September 09, 2002 6:50 PM > To: Protel EDA Forum > Subject: [PEDA] Fw: on topic supply SOS > > > DAMN ISP HEADACHES!!! > > Re-send... > > This is one of the decoupling caps between VCCINT 1.8v & GND. > > > > As you can see, the 1.8v dips down to 1.625. This creates > havoc with > > the processing inside the Altera EP20K200E which has clocks > running at > > 133MHz, 125MHz, 95MHz, & 24MHz. > > > > 16KB > > > ftp://ftp.point-lab.com/quartus/Public/ProtelUsers/NoiseVcc18-2ns.png > > 14KB > > > ftp://ftp.point-lab.com/quartus/Public/ProtelUsers/NoiseVcc18-4ns.png > > > > Here is my current decoupling caps for the 1.8v. > > > > 4 x 0.1uf smd 0805 ceramic. > > 3 x 470uf electrolytic. > > > > See the problem? > > > > I originally had 32 x 0.1uf, but some rush work with cut & paste at > > one time about 2 month ago left me with this to work with. > > > > I need a temp fix where I only have 4 sets of access points > around the > > APEX part with nice Vias to 1.8v. > > > > I can't get my hand on the Wima caps, any other solutions, or, > > recommendations? > > > > ____________ > > Brian Guralnick > > [EMAIL PROTECTED] > > Voice (514) 624-4003 > > Fax (514) 624-3631 > > > > > > > > > ************************************************************** > ********** > * Tracking #: 841E7C21D4096640B2FEE40443B99712122F39F2 > * > ************************************************************** > ********** > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a message: mailto:[EMAIL PROTECTED] * * To leave this list visit: * http://www.techservinc.com/protelusers/leave.html * * Contact the list manager: * mailto:[EMAIL PROTECTED] * * Forum Guidelines Rules: * http://www.techservinc.com/protelusers/forumrules.html * * Browse or Search previous postings: * http://www.mail-archive.com/[email protected] * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
