
Figure 12-5. Layer 2 (GND) Layout
The following figure shows the bottom layer layout of the reference board directly beneath the RF traces.
Figure 12-6. Bottom Layer Layout
The following image shows the PCB stack-up for the reference board. Layer 1 (Top Layer) and Layer 2 specifications
are critical to the RF Trace Layout specification.
ATSAMR30M18A
Application Reference Design
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Datasheet
DS70005384B-page 47