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PCB Design Rules

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Initially PCBs were designed manually by creating a photomask on a clear mylar sheet, usually at two or four times the true size. Starting from the schematic diagram the component pin pads were laid out on the mylar and then traces were routed to connect the pads. If you have many questions of PCB Design, please come here!

Community > Groups > PCB Design Rules > Copper pouring,which is a PCB Design Considerations
Copper pouring,which is a PCB Design Considerations
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Bruno Vicente

There is a two layer board with no ground or VCC plains as I can't go through the grief process. My question is should I use a copper pour? Currently I have three possibilities which I am contemplating. Implement a copper pour connected to nothing Do not use a copper pour Implement a copper pour connected to ground
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Statement: This post is only the personal view of the author and does not represent the opinions of ALLPCB.com.

juan.jfl

No pour is better than a floating pour for signal integrity reasons. When you have a floating pour you are increasing the coupling capacitance between signals so you are increasing the chance of cross talk. In general the pour that is grounded will perform the best, but you should be aware of image current flow.

miika.kirves

If you're etching it yourself, you should add copper pour connected to nothing. If you're having it etched by a PCB fab, then leave the board without a pour.

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