How Does Changing PCB Via Drill Size Affect Capacitance Value and How to Calculate It?

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#1 21672172 17 Aug 2014 00:56

santhoshkumar Damodaran santhoshkumar Damod...

Anonymous

Post #1
21672172 17 Aug 2014 00:56

HI all..

If i increase/ decrease the drill size of the via(PTH) in PCB Design , then the capacitance value is increase/ decrease how to calculate that, anyone give me the source link...
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#2 21672173 19 Aug 2014 10:32

Todd Hayden Todd Hayden

Anonymous

Post #2
21672173 19 Aug 2014 10:32

Dr Howard Johnson is a great source for into such as this.

https://www.sigcon.com/vault/pdf/5_9_ViaCapacitance.pdf
#3 21672174 19 Aug 2014 22:04

santhoshkumar Damodaran santhoshkumar Damod...

Anonymous

Post #3
21672174 19 Aug 2014 22:04

Thanks for the valuable info, what are the rules and guidelines i need to follow when design a high speed PCB's.
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