S50 Hardware User Guide
1VV0301505 Rev. 3
Page 41 of 60
2021-05-05
Not Subject to NDA
Figure 27: RF Trace Impedance Calculation Parameters
b.
Trace Design Geometry
It is important to avoid coupling of noise from digital lines to the RF trace and
also to avoid RF signal coupling into power supply or analogue lines. Therefore,
the following RF trace design geometry has been successfully used on the Telit
standalone test board
and should be followed by OEM’s re
-using
S50/AP RED/FCC or IC Certifications.
Figure 28: RF Trace Design Geometry