Board Layout
The second layer of the EVM has the separate ground planes. These are the reference planes for the controlled impedance traces on the top layer.
Figure 3−3. Second Layer
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The third layer of the EVM has the power planes. These are matched to the ground planes to reduce radiated emission and crosstalk, while increasing distributed capacitance.
Figure 3−4. Third Layer
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Bill of Materials, Board Layout, and PCB Construction |