Gnss External Antenna Connector J3501 - Intrinsyc Open-Q 2100 User Manual

Open-Q™ 2100 Development Kit based on the Snapdragon™ 2100 (APQ8009W) Processor User Guide Version 1.4

3.9.23 GNSS external antenna connector J3501

The Open-Q 2100 carrier board has both PCB antenna and external antenna connector (SMA).
User can switch between PCB antenna and external antenna by using DIP switch S3500. The
configuration of the DIP switch is given in the table below. A passive or an active antenna may be
used as external antenna and a 2.7V bias is provided on the antenna input for powering an active
antenna.
Function
GNSS antenna switch
Figure 31 J3501 GNSS external antenna connector
Table 3.9-11 DIP switch S3500 configurations
DIP
Switch
S3500-1 Toggles between GNSS PCB
antenna and external antenna
Copyright Intrinsyc Technologies Corporation
Description
39
Notes
Default out of the box
configuration is OFF which is
internal antenna selected.