Best layout and performance are achieved with at least a 4-layer multilayer board, where there is a ground plane layer, a power supply layer, and two signal layers.
电路板至少需要4层才能实现最佳布局和性能：一个接地层、一个电源层和两个信号层。
Best layout and performance are achieved with at least a 4-layer multilayer board, where there is a ground plane layer, a power supply layer, and two signal layers.
电路板至少需要4层才能实现最佳布局和性能：一个接地层、一个电源层和两个信号层。
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