u-blox ANTARIS 4 - Page 58

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Good
GND
Microstrip
GND
RF _IN
Antenna Supply Voltage
(e.g. VCC_RF)
Inductor L
GND
GND
Inductor L
Microstrip
RF _IN
Antenna Supply Voltage
(e.g. VCC_RF)
Bad
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Figu
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re 47: Recommended layout for connecting the antenna bias voltage for LEA-4M and NEO-4S
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GPSModules-SystemIntegrationManual(SIM)(incl.ReferenceDesign) Design-In
GPS.G4-MS4-05007-A1
  Page 58