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V
Hardware Development Guide
ME3616
3.
ANTENNA INTERFACE ................................................................................................................................................ 39
3.1.
PIN
D
EFINITION
.................................................................................................................................................................................... 39
3.2.
R
EFERENCE
D
ESIGN
............................................................................................................................................................................... 39
3.3.
R
EFERENCE
PCB
L
AYOUT OF
A
NTENNA
.............................................................................................................................................. 39
3.4.
S
UGGESTIONS FOR
EMC
&
ESD
D
ESIGN
........................................................................................................................................... 40
3.4.1. EMC Design Requirements .................................................................................................................................................. 40
3.4.2. ESD Design Requirements ................................................................................................................................................... 40
3.5.
T
EST
M
ETHODS FOR
W
HOLE
-S
ET
A
NTENNA
OTA............................................................................................................................. 40
4.
ELECTRICAL, RELIABILITY AND RADIO CHARACTERISTICS ................................................................................. 42
4.1.
O
PERATING
T
EMPERATURE
................................................................................................................................................................... 42
4.2.
C
URRENT
C
ONSUMPTION
..................................................................................................................................................................... 42
4.3.
RF
O
UTPUT POWER
.............................................................................................................................................................................. 42
4.4.
RF
R
ECEIVING
S
ENSITIVITY
................................................................................................................................................................... 43
4.5.
E
LECTROSTATIC
D
ISCHARGE
................................................................................................................................................................. 43
5.
MECHANICAL DIMENSIONS ...................................................................................................................................... 44
5.1.
M
ECHANICAL
D
IMENSIONS OF THE
M
ODULE
..................................................................................................................................... 44
5.2.
R
ECOMMENDED
P
ACKAGE
S
IZE
............................................................................................................................................................ 46
6.
RELATED TEST & TEST STANDARD .......................................................................................................................... 47
6.1.
T
ESTING
R
EFERENCE
.............................................................................................................................................................................. 47
6.2.
D
ESCRIPTION OF
T
ESTING
E
NVIRONMENT
........................................................................................................................................... 47
6.3.
R
ELIABILITY
T
ESTING
E
NVIRONMENT
.................................................................................................................................................... 48
7.
SMT PROCESS AND BAKING GUIDE ......................................................................................................................... 50
7.1.
S
TORAGE
R
EQUIREMENTS
..................................................................................................................................................................... 50
7.2.
M
ODULE
P
LAINNESS
S
TANDARD
......................................................................................................................................................... 50
7.3.
P
ROCESS
R
OUTING
S
ELECTION
............................................................................................................................................................. 50
7.3.1. Solder Paste Selection........................................................................................................................................................... 50
7.3.2. Design of module PAD’s steel mesh opening on main board ............................................................................ 50
7.3.3. Module Board’s SMT process.......................................................................................................................................... 51
7.3.4. Module Soldering Reflow Curve ....................................................................................................................................... 53
7.3.5. Reflow method ........................................................................................................................................................................ 53
7.3.6. Maintenance of defects ........................................................................................................................................................ 53
7.4.
M
ODULE
’
S
B
AKING
R
EQUIREMENTS
................................................................................................................................................. 54
7.4.1. Module’s Baking Environment ........................................................................................................................................ 54
7.4.2. Baking device and operation procedure ........................................................................................................................ 54
7.4.3. Module Baking Conditions .................................................................................................................................................. 54