Cinterion
®
ELS31-VA/ELS51-VA Hardware Interface Description
2.2 RF Antenna Interface
56
ELS31-VA_ELS51-VA_HID_v01.000
2017-01-04
Confidential / Preliminary
Page 50 of 106
Micro-Stripline
This section gives two line arrangement examples for micro-stripline.
•
Micro-Stripline on 1.0mm Standard FR4 2-Layer PCB
The following two figures show examples with different values for D1 (ground strip separa-
tion).
Figure 25:
Micro-Stripline on 1.0mm standard FR4 2-layer PCB - example 1
Antenna line
Ground line
Ground line
Application board