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/diy/ - Do It Yourself

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>> No.2763459 [View]
File: 623 KB, 1920x1080, STM32F4_REV2_3D[1].png [View same] [iqdb] [saucenao] [google]
2763459

Does anyone know why 2-layer boards typically only have a GND plane on the bottom and no Power plane on top and power on the top signal layer is instead delivered by tracks or smallish polygons even though most 2-layer PCBs still have a top polygon pour that is either connected to GND or left floating so it is just a cosmetic feature.

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