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PCB Manufacturing

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PCB manufacturing consists of many steps, such as PCB CAM, Panelization, Copper patterning, etc. This group is mainly talked about the problems during PCB manufacturing!

Community > Groups > PCB Manufacturing > A star-shaped Vdd net reduce ground oscillations
A star-shaped Vdd net reduce ground oscillations
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Hector Jose

Will a star-shaped Vdd net reduce ground oscillations?
Statement: This post is only the personal view of the author and does not represent the opinions of


Star shaped power Vdc does not affect Ground plane resonance. But it can reduce path lengths on Vdc. Inductance is determined by length and width ratio and Zo is determined by conductor width to ground plane gap ratio.


Power planes are useful when the FET switched capacitance loads cause transient noise, when it is widely distributed with high power.


Marvelous posting.

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