User's Manual

Cinterion
®
ALS3-US R3 Hardware Interface Overview
5.2 GNSS Antenna Interface
31
 ALS3-USR3_HIO_v03.009 2015-08-05
Confidential / Preliminary
Page 31 of 41
Figure 8 shows sample circuits realizing ESD protection for a passive GNSS antenna.
Figure 8: 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