[SI-LIST] Power plane frequency range and noise level

  • From: =?big5?b?Sm9obiBMaW4gKKpMtMK31yk=?= <John@xxxxxxxxxxxx>
  • To: <si-list@xxxxxxxxxxxxx>
  • Date: Wed, 22 Oct 2003 17:51:41 +0800

Dear all SI gurus,
Could some one comment on what range of frequency we need to care for a  power 
plane simulation? 
For example, for a power plane to support a chip with 800Mhz bus transition. 
What is the frequency range I need to set for simulation?

And if the bus is 1.5voltage type, is ther any guideline to say the amount 
noise allowed on the power plane?

Thank you for helps in advance.

Best Regards
John.


 


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