User's Manual

VZ22Q LTE Module
V0.1 USI Confidential Page 3 of 23
Content
1. INTRODUCTION .....................................................................................4
2. PCB DESIGN .............................................................................................5
2.1 PCB DESIGN GUIDE ....................................................................................................... 5
2.2 DESIGN FOR PCB STACK-UP(RECOMMEND) ................................................................. 6
2.3 RECOMMENDED PACKAGE DIMENSION ........................................................................ 7
3. POWER DESIGN ....................................................................................13
3.1 POWER INTEGRITY ...................................................................................................... 13
3.2 LAYOUT RULE .............................................................................................................. 13
4. RF LAYOUT DESIGN ............................................................................14
4.1 LAYOUT RULES ............................................................................................................ 15
5. AUDIO CODEC LAYOUT GUIDE .......................................................16
5.1 THE LAYOUT DESIGN OF GROUND AND SUPPLY PLANE GEOMETRY ......................... 16
5.2 COMPONENT PLACEMENT ........................................................................................... 17
5.3 DECOUPLING AND BYPASSING CAPACITORS ............................................................... 18
5.4 THE TRACE ROUTING .................................................................................................. 18
6. USB LAYOUT DESIGN .........................................................................21
6.1 D
ESIGN & LAYOUT RULE ............................................................................................ 21
6.2 POOR ROUTING ............................................................................................................ 21
7. LAYOUT DESIGN OF SIM SOCKET .................................................22
8. GROUNDING ..........................................................................................23