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[SOLVED] PCB Pour for high speed circuit

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Ranbeer Singh

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Anybody can explain me how use copper pour in power circuit PCB.

I read in a book "As an example, instead of using separate power planes, you can just pour copper connected to GND over one side of the board and VCC over the opposite side – so called “multi layer simulation”. Even if you have separate power planes extra shielding is highly recommended. But i am unable to understood it.
What is benefit of it?
 

pouring power planes is just about making current loops narrower in area, and thUs less radiative, and less susceptible to pick up interfering radiation...so better for EMC.
IT MAY ALSO REDUCE I^2R losses. (sorry about caps)
 

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