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Reference Circuit
The antenna sense circuit is available by putting a few components on the customer board.
Refer to the following diagram.
CXD2951
EPORT12
EVON1
EVON0
Command Specifications
The GXB5005 modules have a command format, NMEA-0183 version 3.01. A list of the supported UART
interface is as follows. For detailed descriptions, see the CXD2951 Communication Command Specification
document.
GXB5005
ANT Cont
AD In1
AD In0
Antenna Power 3V
10kΩ
Sense Resistor
(1/8W)
22Ω
Customer Board
- 12 -
GXB5005
Choke Coil
Inductor
To Active
Antenna
Antenna
Connector
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