[SI-LIST] Noise on Vcore

  • From: Sandesh Nanal <sandeshn@xxxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx
  • Date: Mon, 12 Aug 2002 11:32:04 -0700 (PDT)

Hi All, 
i am seeing 100-120 mv noise on Vcore @ 1Ghz, I think the spec allows upto 
40-50 mv, with lower frequency processors noise is within spec just higher freq 
processor causes the increase in noise on the same board.  I tried changing 
caps to oscon caps, that didnt help plus oscon caps are expensive, are there 
any other less expensive solutions to clean the voltage rail? Thank for the 
answers in advance. 
Sandesh



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