User's Manual

AHS3-W Hardware Interface Overview
5.2 GPS Antenna Interface
32
AHS3-W_HIO_v02.540a Page 32 of 41 2012-09-05
Confidential / Preliminary

Figure 7 shows sample circuits realizing ESD protection for a passive GPS antenna.
Figure 7: ESD protection for passive GPS antenna
VGPS
ANT_GPS
Passive
GPS
antenna
10nH
47pF
2p2
Module
SMT interface
ANT_GPS_DC
(Optional)
ESD
protection
0R
Not used