Universal Global Scientific Industrial Co. Ltd. VZ22Q Manuel D’Utilisation
VZ22Q LTE Module
V0.1
USI
Confidential
Page 3 of 23
Content
1.
INTRODUCTION .....................................................................................4
2.
PCB DESIGN .............................................................................................5
2.1
PCB
D
ESIGN
G
UIDE
....................................................................................................... 5
2.2
D
ESIGN FOR
PCB
S
TACK
-
UP
(
RECOMMEND
) ................................................................. 6
2.3
R
ECOMMENDED
P
ACKAGE
D
IMENSION
........................................................................ 7
3.
POWER DESIGN ....................................................................................13
3.1
P
OWER
I
NTEGRITY
...................................................................................................... 13
3.2
L
AYOUT
R
ULE
.............................................................................................................. 13
4.
RF LAYOUT DESIGN ............................................................................14
4.1
L
AYOUT
R
ULES
............................................................................................................ 15
5.
AUDIO CODEC LAYOUT GUIDE .......................................................16
5.1
T
HE
L
AYOUT
D
ESIGN OF
G
ROUND AND
S
UPPLY
P
LANE
G
EOMETRY
......................... 16
5.2
C
OMPONENT
P
LACEMENT
........................................................................................... 17
5.3
D
ECOUPLING AND
B
YPASSING
C
APACITORS
............................................................... 18
5.4
T
HE
T
RACE
R
OUTING
.................................................................................................. 18
6.
USB LAYOUT DESIGN .........................................................................21
6.1
D
ESIGN
&
L
AYOUT
R
ULE
............................................................................................ 21
6.2
P
OOR
R
OUTING
............................................................................................................ 21
7.
LAYOUT DESIGN OF SIM SOCKET .................................................22
8.
GROUNDING ..........................................................................................23