User Guide

ME310G1 Hardware User Guide
1VV0301588 Rev. 4 Page 7 of 77 2020-01-21
6. RF SECTION .............................................................................. 48
Bands Variants ........................................................................... 48
TX Output power ......................................................................... 48
Antenna requirements................................................................. 48
6.3.1. PCB Design guidelines ............................................................... 49
7. AUDIO SECTION ....................................................................... 51
Electrical Characteristics ............................................................. 51
Codec examples ......................................................................... 51
8. GNSS SECTION ......................................................................... 52
GNSS Signals Pin-out................................................................. 52
RF Front End Design .................................................................. 52
8.2.1. Guidelines of PCB line for GNSS Antenna .................................. 52
GNSS Antenna Requirements .................................................... 53
8.3.2. GNSS Antenna – Installation Guidelines ..................................... 53
8.3.3. Powering the External LNA (active antenna) ............................... 53
GNSS Characteristics ................................................................. 54
9. MECHANICAL DESIGN ............................................................. 55
Drawing ...................................................................................... 55
9.1.1. ME310G1-W1 ............................................................................. 55
9.1.2. ME310G1-WW............................................................................ 56
10. APPLICATION PCB DESIGN .................................................... 57
Footprint ..................................................................................... 57
10.1.1. ME310G1-W1 and ME310G1-WW ............................................. 57
10.1.2. Recommendations for ME310G1-W1 ......................................... 59
10.1.3. Recommendations for ME310G1-WW ........................................ 60
PCB pad design .......................................................................... 61
Stencil ......................................................................................... 62
Solder paste ............................................................................... 62
Solder Reflow ............................................................................. 62
11. PACKAGING .............................................................................. 65
12. CONFORMITY ASSESSMENT ISSUES .................................... 66
Approvals.................................................................................... 66
13. SAFETY RECOMMENDATIONS................................................ 73
READ CAREFULLY .................................................................... 73
14. ACRONYMS ............................................................................... 74