SARA-G3 series - System Integration Manual
UBX-13000995 - R06 Objective Specification Contents
Page 8 of 218
2.10 Module footprint and paste mask ............................................................................ 152112
2.11 Thermal guidelines ............................................................................................... 154113
2.12 ESD guidelines ................................................................................................... 156115
2.12.1 ESD immunity test overview ............................................................................... 156115
2.12.2 ESD immunity test of u-blox SARA-G3 series reference designs .............................. 156115
2.12.3 ESD application circuits ...................................................................................... 157116
2.13 SARA-G350 ATEX integration in explosive atmospheres applications.............................. 160118
2.13.1 General guidelines ............................................................................................ 160118
2.13.2 Guidelines for VCC supply circuit design ................................................................161119
2.13.3 Guidelines for antenna RF interface design ............................................................ 163120
2.14 Schematic for SARA-G3 series module integration ..................................................... 164121
2.15 Design-in checklist .............................................................................................. 168123
2.15.1 Schematic checklist ........................................................................................... 168123
2.15.2 Layout checklist ................................................................................................ 170124
2.15.3 Antenna checklist .............................................................................................. 170124
3 Handling and soldering ............................................................................................. 171125
3.1 Packaging, shipping, storage and moisture preconditioning ............................................... 171125
3.2 Soldering .............................................................................................................. 171125
3.2.1 Soldering paste ................................................................................................ 171125
3.2.2 Reflow soldering ............................................................................................... 171125
3.2.3 Optical inspection .............................................................................................. 174127
3.2.4 Cleaning ......................................................................................................... 174127
3.2.5 Repeated reflow soldering ................................................................................... 174127
3.2.6 Wave soldering ................................................................................................ 174127
3.2.7 Hand soldering ................................................................................................. 174127
3.2.8 Rework ........................................................................................................... 174127
3.2.9 Conformal coating ............................................................................................. 175127
3.2.10 Casting ........................................................................................................... 176128
3.2.11 Grounding metal covers ..................................................................................... 176128
3.2.12 Use of ultrasonic processes ................................................................................ 176128
4 Approvals .................................................................................................................. 177129
4.1 Product certification approval overview ......................................................................... 177129
4.2 Federal Communications Commission and Industry Canada notice ..................................... 179130
4.2.1 Safety Warnings review the structure .................................................................... 179130
4.2.2 Declaration of Conformity – United States only ....................................................... 179130
4.2.3 Modifications .................................................................................................... 179130
4.3 R&TTED and European Conformance CE mark ............................................................ 181132
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