UBX-G7020 - Hardware Integration Manual
Appendix
GPS.G7-HW-10003 Objective Specification Page 67 of 74
A.4 Improved jamming immunity
External SAW filter – LNA – SAW filter
DCDC converter
1.8V TCXO supplied by LDO_X_OUT
RTC crystal
UART and DDC interface
Figure 32: Standard circuit for an improved jamming immunity
VDD_IO supply must be higher than 2.1V because of 1.8V TCXO used.
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