Product Info

LTE Module Series
EC21 Hardware Design
EC21_Hardware_Design
5-63
/ 105
Figure 34: Coplanar Waveguide Line Design on a 2-layer PCB
Figure 35: Coplanar Waveguide Line Design on a 4-layer PCB (Layer 3 as Reference Ground)
Figure 36: Coplanar Waveguide Line Design on a 4-layer PCB (Layer 4 as Reference Ground)
In order to ensure RF performance and reliability, the following principles should be complied with in RF
layout design: