PNT-SG3FS GNSS Module Hardware User Guide
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List of Figures
Figure 1: PNT-SG3FS Pin Out ____________________________________________________ 8
Figure 2: PNT-SG3FS Minimum Functional Connections ______________________________ 10
Figure 3: VCC_RF Output Supply Filtering _________________________________________ 11
Figure 4: Power Supply Filtering _________________________________________________ 12
Figure 5: Example of SMPS to Improve Current Consumption __________________________ 12
Figure 6: WakeUP Internal Circuitry ______________________________________________ 14
Figure 7: PNT-SG3FS Passive Antenna Connection _________________________________ 17
Figure 8: External LNA Connection _______________________________________________ 18
Figure 9: Active Antenna with Current Switch Control _________________________________ 19
Figure 10: Active Antenna Current Sense Without On-Module Antenna Sensing____________ 19
Figure 11: General Schematic ___________________________________________________ 21
Figure 12: PNT-SG3FS PCB layout example _______________________________________ 23
Figure 13: Parallel Component Pads Position _______________________________________ 23
Figure 14: Bypass Component Pads Position _______________________________________ 23
Figure 15: Antenna and PNT-SG3FS - Opposite Placement ___________________________ 24
Figure 16: Patch Antenna and PNT-SG3FS, Opposite Side Placement Example ___________ 25
Figure 17: 25×25mm SMD Antenna and PNT-SG3FS, Same Side Placement Example ______ 26
Figure 18: Chip Antenna and PNT-SG3FS, Same Side Layout Example __________________ 27
