User's Manual

Cinterion
®
ALS3-US R4 Hardware Interface Overview
5.1 GSM/UMTS/LTE Antenna Interface
34
 ALS3-USR4_HIO_v03.915 2017-03-27
Confidential / Preliminary
Page 30 of 44
5.1.2 RF Line Routing Design
5.1.2.1 Line Arrangement Examples
Several dedicated tools are available to calculate line arrangements for specific applications
and PCB materials - for example from http://www.polarinstruments.com/ (commercial software)
or from http://web.awrcorp.com/Usa/Products/Optional-Products/TX-Line/ (free software).
Embedded Stripline
This below figure shows line arrangement examples for embedded stripline.
Figure 7: Embedded Stripline line arrangement