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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 > Suitable design for 4 layer board stackup
Suitable design for 4 layer board stackup
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selcukbircan

I need to design a 4 layer board with a total thickness of 1.2mm. But I have no idea how can I stack up them together. But for a 200 ohm differential trace, there is no suitable trace width and gap. I want to know 50 Ohm single ended trace width and 100 Ohm differential trace width. Can you apply a single stack of 50 ohms and 100 ohms, 50 ohms and differential or single 200 ohms to me?
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Claudio Troiano

Very helpful and valuable.

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