User's Manual
page 5/35
Note d’étude / Technical document : URD1– OTL 5665.1– 002 / 70 884 Edition 03
Document Sagem Communications Reproduction et divulgation interdites
Sagem Communications document. Reproduction and disclosure prohibited
6.4 MECHANICAL SURROUNDING .....................................................................................................................26
6.5 OTHER RECOMMENDATIONS – TESTS FOR PRODUCTION/DESIGN ...............................................26
7. AUDIO INTEGRATION .............................................................................................................................................26
7.1 MECHANICAL INTEGRATION AND ACOUSTICS ......................................................................................26
7.2 ELECTRONICS AND LAYOUT........................................................................................................................27
8. RECOMMENDATIONS ON LAYOUT OF CUSTOMER’S BOARD.......................................................................28
8.1 GENERAL RECOMMENDATIONS ON LAYOUT .........................................................................................28
8.1.1 Ground.........................................................................................................................................................28
8.1.2 Power supplies ...........................................................................................................................................28
8.1.3 Clocks ..........................................................................................................................................................28
8.1.4 Data bus and other signals .......................................................................................................................28
8.1.5 Radio............................................................................................................................................................28
8.1.6 Audio (see also § 10.2)..............................................................................................................................28
8.2 EXAMPLE OF LAYOUT FOR CUSTOMER’S BOARD ................................................................................29
9. RECOMMANDATIONS FOR CUSTOMER INDUSTRIALIZATION .....................................................................29
9.1 MOISTURE LEVEL............................................................................................................................................29
9.2 PACKAGE...........................................................................................................................................................30
9.3 SOLDER MASK..................................................................................................................................................32
9.4 SOLDER PASTE................................................................................................................................................32
9.5 PROFILE FOR REFLOW SOLDERING .........................................................................................................32
9.6 SMT MACHINE ..................................................................................................................................................34
9.7 UNDERFILL ........................................................................................................................................................34
9.8 SECOND REFLOW SOLDERING...................................................................................................................35
9.9 HAND SOLDERING ..........................................................................................................................................35
9.10 REWORK ............................................................................................................................................................35
10. LABEL .....................................................................................................................................................................35