User's Manual

SARA-G3 and SARA-U2 series - System Integration Manual
2.13.2
ESD immunity test of u-blox SARA-G3 and SARA-U2 reference designs..................................... 149
2.13.3 ESD application circuits .............................................................................................................. 150
2.14 SARA-G350 ATEX and SARA-U270 ATEX integration in explosive atmospheres applications ......... 152
2.14.1 General guidelines ..................................................................................................................... 152
2.14.2 Guidelines for VCC supply circuit design ................................................................................... 153
2.14.3 Guidelines for antenna RF interface design ................................................................................ 154
2.15 Schematic for SARA-G3 and SARA-U2 series module integration .................................................. 156
2.15.1 Schematic for SARA-G300 / SARA-G310 modules integration ................................................... 156
2.15.2 Schematic for SARA-G340 / SARA-G350 modules integration ................................................... 157
2.15.3 Schematic for SARA-U2 series modules integration ................................................................... 158
2.16 Design-in checklist ........................................................................................................................ 159
2.16.1 Schematic checklist ................................................................................................................... 159
2.16.2 Layout checklist ......................................................................................................................... 160
2.16.3 Antenna checklist ...................................................................................................................... 160
3 Handling and soldering ........................................................................................... 161
3.1 Packaging, shipping, storage and moisture preconditioning ............................................................. 161
3.2 Handling ........................................................................................................................................... 161
3.3 Soldering .......................................................................................................................................... 162
3.3.1 Soldering paste.......................................................................................................................... 162
3.3.2 Reflow soldering ....................................................................................................................... 162
3.3.3 Optical inspection ...................................................................................................................... 163
3.3.4 Cleaning .................................................................................................................................... 163
3.3.5 Repeated reflow soldering ......................................................................................................... 164
3.3.6 Wave soldering.......................................................................................................................... 164
3.3.7 Hand soldering .......................................................................................................................... 164
3.3.8 Rework ...................................................................................................................................... 164
3.3.9 Conformal coating .................................................................................................................... 164
3.3.10 Casting ...................................................................................................................................... 164
3.3.11 Grounding metal covers ............................................................................................................ 164
3.3.12 Use of ultrasonic processes ........................................................................................................ 164
4 Approvals .................................................................................................................. 165
4.1 Product certification approval overview ............................................................................................. 165
4.2 Federal Communications Commission and Industry Canada notice ................................................... 166
4.2.1 Safety warnings review the structure ......................................................................................... 166
4.2.2 Declaration of conformity .......................................................................................................... 166
4.2.3 Modifications ............................................................................................................................ 167
4.3 R&TTED and European conformance CE mark .................................................................................. 168
4.4 Anatel certification ........................................................................................................................... 169
4.5 CCC mark ........................................................................................................................................ 170
4.6 SARA-G350 ATEX and LISA-U270 ATEX conformance for use in explosive atmospheres ................... 170
5 Product testing ......................................................................................................... 172
5.1 u-blox in-series production test ......................................................................................................... 172
UBX-13000995 - R12 Early Production Information Contents
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