O que quer dizer “Via Terrestre” em PCB? Por que é necessário?
It means lC and component which is connected to Ground. If a Ground plane is made as a separate layer, all these pins are to be connected. It can boost the performance of circuitry in certain conditions.
Sometimes vias are used for connections to ground planes.
consulte Mais informação: Tipos de camadas de PCB e otimização
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