Open-Q™ 835 Development Kit based on the Snapdragon™ 835 (APQ8098) Processor User Guide Version 1.0
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Copyright Intrinsyc Technologies Corporation
3.8.15 On Board PCB GPS Antenna
Figure
19 On Board PCB Antennas
The Open-Q 835 carrier board
has one on-board PCB antennas on the bottom side that connects to
the GNSS card via coaxial cable that attaches to MH4L receptacles. The on-board antenna is
connected to the GNSS card by default, meanwhile, there are 0ohm jumpers for user to choose to use
external GPS antenna via the SMA connector. The option pads are at the antenna end, before the GPS
LNA input.
(see table below for details).
Table 3.8-13 GPS Antenna Option
Option
R3804
R3805
On-Board
DNI
Stuff
SMA connector
Stuff
DNI
3.8.16 GPS SMA Connector J3802
The GPS SMA connector is reserved for user to use external antenna. Refer to
Table 3.8-13
, please stuff R3804 and DNI R3805 to make the path active.
Figure
20 J3802 GPS SMA Connector
If an external GPS antenna is preferred, Intrinsyc recommends the Laird Technologies
hepta-band dipole antenna (manufacture part number: MAF94300). It is important to note