It depends. For high-speed logic or RF circuits, a ground plane is necessary. For others, ground or power plane is not required.
You should, しかしながら,
- Make sure that the traces are as wide as possible, particularly for the power, ground or other high-current connections.
- Ensure fatter traces are more reliable.
続きを読む: Signal and Power Integrity Fundamentals on High-Speed PCB
#PCB設計
