Gemalto M2M GmbH ALS3-USR3 사용자 설명서

®

5.2 GNSS Antenna Interface

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ALS3-USR3_HIO_v03.009

2015-08-05

Confidential / Preliminary

Page 31 of 41

 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