User Guide

GM47/48 Design Guidelines
BA/SEM/MSC 02:0006 Rev PA1 3
Contents
1 INTRODUCTION ...........................................................................................................5
1.1 OVERVIEW ...............................................................................................................5
1.2 PRECAUTIONS...........................................................................................................5
1.3 ABBREVIATIONS ........................................................................................................5
2 MECHANICAL INTEGRATION.......................................................................................7
2.1 PHYSICAL DIMENSIONS...............................................................................................7
3 ELECTRICAL INTEGRATION........................................................................................8
3.1 GENERAL.................................................................................................................8
3.2 GROUNDING .............................................................................................................9
3.2.1 The Analogue Ground.......................................................................................9
3.2.2 The Digital Ground (DGND)...............................................................................9
3.3 EXTERNAL SUPPLY TO MODULE.................................................................................10
3.3.1 Power Supply (VCC).......................................................................................10
3.4 GENERAL RECOMMENDATIONS ..................................................................................11
3.5 SIM CONNECTIONS ..................................................................................................13
3.6 AUDIO CONNECTIONS...............................................................................................14
3.6.1 Analogue Audio..............................................................................................14
3.6.2 Advanced Portable Hands Free Functionality...................................................15
3.7 RF AND ANTENNA INTEGRATION.................................................................................16
3.8 INTERFACING TO A 3.3V µPROCESSOR.......................................................................17
3.9 SOFTWARE DOWNLOAD AND LOGGING CIRCUITRY .........................................................17
4 DEVELOPERS BOARD...............................................................................................18
4.1 POWER CIRCUIT......................................................................................................18
4.2 SIM CIRCUIT..........................................................................................................18
5 PART NUMBERS........................................................................................................20
5.1 SYSTEM CONNECTOR ...............................................................................................20
5.2 RF CONNECTOR......................................................................................................20
5.3 SIM CARD HOLDER..................................................................................................20
5.4 SUPPLIERS .............................................................................................................20
5.4.1 Imperial connectors ........................................................................................20
5.4.2 IMS connectors ..............................................................................................21
6 TYPE APPROVAL.......................................................................................................22
6.1 DOCUMENTATION REQUIRED......................................................................................22
6.2 POWER SUPPLY ......................................................................................................22
6.3 SIM TESTING..........................................................................................................23
6.4 EMC/ESD & SAFETY ..............................................................................................23
6.5 RF TESTING ...........................................................................................................23
6.5.1 GM47.............................................................................................................23
6.5.2 GM48.............................................................................................................23
6.6 SAR WARNING........................................................................................................24
6.7 OTHER TA ISSUES ...................................................................................................24
6.7.1 External Application software...........................................................................24
6.7.2 GM47 software updates ..................................................................................24
APPENDIX I - TECHNICAL DATA ......................................................................................25
APPENDIX II – GM47/48 PIN OUT......................................................................................27