GR47/48 Design Guidelines
BA/SEM/MS 03:0015 Rev ALZT 123 7596 3
Contents
1INTRODUCTION....................................................................................................................5
1.1 OVERVIEW.........................................................................................................................5
1.2 PRECAUTIONS ...................................................................................................................5
1.3 ABBREVIATIONS.................................................................................................................5
2MECHANICAL INTEGRATION..............................................................................................7
2.1 PHYSICAL DIMENSIONS ......................................................................................................7
3ELECTRICAL 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
3.3.2 General Recommendations ...................................................................................11
3.3.3 On/Off signal ..........................................................................................................13
3.4 SIM CONNECTIONS..........................................................................................................14
3.5 AUDIO CONNECTIONS ......................................................................................................15
3.5.1 Analogue Audio......................................................................................................15
3.5.2 Advanced Portable Hands Free Functionality........................................................16
3.6 RF AND ANTENNA INTEGRATION........................................................................................17
3.7 INTERFACING TO A 3.3V µPROCESSOR.............................................................................18
3.8 SOFTWARE DOWNLOAD AND LOGGING CIRCUITRY..............................................................19
4DEVELOPERS BOARD.......................................................................................................21
4.1 POWER CIRCUIT ..............................................................................................................21
4.2 SIM CIRCUIT ...................................................................................................................21
4.3 ON/OFF SWITCH ..............................................................................................................21
4.4 PROGRAMMING CIRCUITRY...............................................................................................21
4.5 EMC...............................................................................................................................22
4.6 DATA SIGNALS:................................................................................................................22
5PART NUMBERS.................................................................................................................23
5.1 SYSTEM CONNECTOR.......................................................................................................23
5.2 RF CONNECTOR ..............................................................................................................23
5.3 SIM CARD HOLDER ..........................................................................................................23
5.4 SUPPLIERS......................................................................................................................23
5.4.1 Imperial connectors................................................................................................23
5.4.2 IMS connectors ......................................................................................................24
6TYPE APPROVAL ...............................................................................................................25
6.1 DOCUMENTATION REQUIRED.............................................................................................25
6.2 POWER SUPPLY...............................................................................................................26
6.3 SIM TESTING ..................................................................................................................27
6.4 EMC/ESD &SAFETY ......................................................................................................27
6.5 RF TESTING....................................................................................................................27
6.5.1 GR47......................................................................................................................27
6.5.2 GR48......................................................................................................................28
6.6 SAR WARNING ................................................................................................................28
6.7 OTHER TAISSUES ...........................................................................................................28
6.7.1 External Application software.................................................................................28
