Hardware Guide

4 Circuit Design
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Figure 29. Two-layer PCB coplanar waveguide structure
Figure 30. Four-layer PCB coplanar waveguide structure (see ground layer 3)
Figure 31. Four-layer PCB coplanar waveguide structure (see ground layer 4)
In the design of RF antenna interface circuit, in order to ensure good performance and
reliability of the RF signal, it is recommended to observe the following principles: