6 PCB Layout and Layer Stack-Up
6.1 PCB Layer Stack-Up
The top layer is 1-oz. copper.
Top layer
RO4350B (Er = 3.66)
RF GND layer
FR4 (Er = 4.2)
FR4 (Er = 4.2)
Bottom layer
6
2
mi
l
Signal GND layer
1
0
mi
l
Figure 6-1. PCB Layer Stack-Up
6.2 PCB Layout
Figure 6-2. Top Layer
PCB Layout and Layer Stack-Up
12
LMX2820EVM Evaluation Module
SNAU246A – JUNE 2020 – REVISED JANUARY 2021
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