u-blox ANTARIS 4 User Manual

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2.3.1 LowCostReceivers(ROMonly) ................................................................................................... 36
2.3.2 ProgrammableReceivers(ReceiverswithintegratedFLASHmemory) ........................................... 36
2.4 FormFactors....................................................................................................................................... 37
2.4.1 NEOModules .............................................................................................................................. 37
2.4.2 LEAModules ............................................................................................................................... 37
2.4.3 TIMModules ............................................................................................................................... 38
2.5 Choosingtheoptimalmodule ............................................................................................................ 39
2.5.1 ANTARIS
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4FeatureMatrix .......................................................................................................... 40
2.6 CompatibilityofANTARIS
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GPSreceivers ..................................................................................... 41
2.7 Activevs.PassiveAntenna .................................................................................................................. 42
3 Design-In.....................................................................................................................43
3.1 SchematicDesign-InChecklistforANTARIS
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4 ............................................................................. 43
3.2 LEA-4xDesign ............................................................................................................................. 44
3.3 TIM-4xDesign ............................................................................................................................. 47
3.4 NEO-4SDesign ................................................................................................................................... 49
3.5 LayoutDesign-InChecklistforANTARIS
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4 ................................................................................... 51
3.6 Layout ................................................................................................................................................ 52
3.6.1 Footprint ..................................................................................................................................... 52
3.6.2 PasteMask.................................................................................................................................. 53
3.6.3 Placement ................................................................................................................................... 54
3.6.4 AntennaConnectionandGroundingPlaneDesign...................................................................... 54
3.6.5 AntennaMicroStrip .................................................................................................................... 56
3.6.6 AntennaBiasVoltageonNEO-4SandLEA-4M ............................................................................ 57
4 Receiver Description...................................................................................................59
4.1 Overview ..................................................................................................................................... 59
4.1.1 BlockSchematic ................................................................................................................... 59
4.2 PowerManagement ........................................................................................................................... 61
4.2.1 ConnectingPower....................................................................................................................... 61
4.2.2 BackupBattery ............................................................................................................................ 61
4.2.3 Avoidingincreasedcurrentinlowpowermodes ......................................................................... 62
4.2.4 PowerSavingModes................................................................................................................... 63
4.2.5 OperatingModes ........................................................................................................................ 63
4.2.6 ContinuousTrackingMode ......................................................................................................... 64
4.2.7 PowerSavingModes(FixNOW™Mode,FXN).............................................................................. 65
4.2.8 ExternallyControlledPowerManagement................................................................................... 72
4.3 AntennaandAntennaSupervisor ....................................................................................................... 72
GPSModules-SystemIntegrationManual(SIM)(incl.ReferenceDesign) Contents
GPS.G4-MS4-05007-A1
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u-blox ANTARIS 4 Specifications

General

Brand	u-blox
Model	ANTARIS 4
Category	GPS
Language	English