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
> > 
> > 
> > 
> 
> 
> **************************************************************
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> * Tracking #: 841E7C21D4096640B2FEE40443B99712122F39F2
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