User's Manual

Cinterion
®
ALS3-US R4 Hardware Interface Overview
5.2 GNSS Antenna Interface
34
 ALS3-USR4_HIO_v03.915 2017-03-27
Confidential / Preliminary
Page 34 of 44
Figure 12 shows sample circuits realizing ESD protection for a passive GNSS antenna.
Figure 12: ESD protection for passive GNSS antenna
VGNSS
ANT_GNSS
Passive
GNSS
antenna
10nH
100nF
To GNSS
receiver
Module
SMT interface
ANT_GNSS_DC
(Optional)
ESD
protection
0R
Not used