[SI-LIST] Decoupling at 800Mhz

  • From: "Subramanian R" <subramanian1683@xxxxxxxxx>
  • To: si-list@xxxxxxxxxxxxx
  • Date: Thu, 22 May 2008 20:36:47 +0530

Hi All,
We are planning to use a processor running at 800 MHz.
I was just reading up on the decoupling methods.

The Processor PCB guidelines recommend using 1uF 0402 pack for high
frequency decoupling. But at 800 MHz, will not the cap/package inductance
dominate.

The guideline doesn't say anything about plane decoupling also.

Am I missing something? What are the best approaches for decoupling?

Any suggestions will be very useful.

Thank you in advance,

Regards
Mani


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