User's Manual

SARA-G3 and SARA-U2 series - System Integration Manual
UBX-13000995 - R08 Objective Specification Contents
Page 6 of 188
2.13.2 ESD immunity test of u-blox SARA-G3 and SARA-U2 reference designs..................................... 143
2.13.3 ESD application circuits .............................................................................................................. 144
2.14 SARA-G350 ATEX integration in explosive atmospheres applications ............................................ 146
2.14.1 General guidelines ..................................................................................................................... 146
2.14.2 Guidelines for VCC supply circuit design ................................................................................... 147
2.14.3 Guidelines for antenna RF interface design ................................................................................ 148
2.15 Schematic for SARA-G3 and SARA-U2 series module integration .................................................. 149
2.15.1 Schematic for SARA-G300 / SARA-G310 modules integration ................................................... 149
2.15.2 Schematic for SARA-G340 / SARA-G350 modules integration ................................................... 150
2.15.3 Schematic for SARA-U2 series modules integration ................................................................... 151
2.16 Design-in checklist ........................................................................................................................ 152
2.16.1 Schematic checklist ................................................................................................................... 152
2.16.2 Layout checklist ......................................................................................................................... 153
2.16.3 Antenna checklist ...................................................................................................................... 153
3 Handling and soldering ........................................................................................... 154
3.1 Packaging, shipping, storage and moisture preconditioning ............................................................. 154
3.2 Handling ........................................................................................................................................... 154
3.3 Soldering .......................................................................................................................................... 155
3.3.1 Soldering paste.......................................................................................................................... 155
3.3.2 Reflow soldering ....................................................................................................................... 155
3.3.3 Optical inspection ...................................................................................................................... 156
3.3.4 Cleaning .................................................................................................................................... 156
3.3.5 Repeated reflow soldering ......................................................................................................... 157
3.3.6 Wave soldering.......................................................................................................................... 157
3.3.7 Hand soldering .......................................................................................................................... 157
3.3.8 Rework ...................................................................................................................................... 157
3.3.9 Conformal coating .................................................................................................................... 157
3.3.10 Casting ...................................................................................................................................... 157
3.3.11 Grounding metal covers ............................................................................................................ 157
3.3.12 Use of ultrasonic processes ........................................................................................................ 157
4 Approvals .................................................................................................................. 158
4.1 Product certification approval overview ............................................................................................. 158
4.2 Federal Communications Commission and Industry Canada notice ................................................... 159
4.2.1 Safety warnings review the structure ......................................................................................... 159
4.2.2 Declaration of conformity – United States only .......................................................................... 159
4.2.3 Modifications ............................................................................................................................ 160
4.3 R&TTED and European conformance CE mark .................................................................................. 161
4.4 Anatel certification ........................................................................................................................... 162
4.5 SARA-G350 ATEX conformance for use in explosive atmospheres .................................................... 163
5 Product testing ......................................................................................................... 164
5.1 u-blox in-series production test ......................................................................................................... 164
5.2 Test parameters for OEM manufacturer ............................................................................................ 164