EMP Layout Guide

swlee0

Layout Guide
1 About this Document 6
1.1 Purpose 6
1.2 Audience 6
1.3 Revision Information 6
1.4 Reference List 7
2 Introduction 8
3 PCB Layer Dimensions and Material Requirements 9
3.1 Striplines and Microstrips 10
4 GSM Radio Reference Design 11
4.1 Component Placement 11
5 PCB Layout of GSM Radio and GSM Critical Areas 12
5.1 Reference Design Layout 12
5.2 Peak Phase Error 12
5.3 Transmitter Output Power and Harmonics 13
5.4 13 MHz VCXO and Risk of Transmitter/Modulation Spurii 13
5.5 Receiver Sensitivity 14
5.6 Electrostatic Discharge (ESD) 14
5.7 Shielding 14
6 PCB layout of WCDMA Radio and WCDMA Critical Areas (Only for U250)
15
6.1 WCDMA Receiver, Ericsson RF 2111 15
6.2 RX RF SAW Filter 15
6.3 WCDMA Transmitter, Ericsson RF 2101 15
6.4 TX RF SAW Filter 16
6.5 WCDMA Power Amplifier, Ericsson RF 2300 16
6.6 DC/DC Converter 17
Contents
LZN 901 1096 R1F
Confidential
PRINTING ORIGINAL 1424-LZN 901 1096 Uen G
6.7 Temperature Sensor 17
6.8 Critical Layout 17
6.8.1 Duplexer 17
6.8.2 Frequency Generation 17
7 PCB Layout of Critical Common Radio Areas 19
7.1 Antenna Near 19
7.1.1 Antenna Connector 19
7.1.2 Antenna Switch 19
7.2 Master Clock, MCLK 19
7.3 Trimming of MCLK Tank Circuit 19
7.3.1 MCLK to Bluetooth 20
8 Baseband Design 21
8.1 PCB Structure, Routing and Planning 21
8.1.1 Power Distribution in the U250 Platform 21
8.1.2 Power Routing 22
8.1.3 Critical Nets 26
8.2 EMC / ESD 30
8.2.1 Early ESD Procedure 30
8.2.2 Filtering 32
8.3 Digital Part 34
8.3.1 External Memory Interface (EMIF) 34
8.3.2 USB 35
8.4 Analog Parts 38
8.4.1 BUCK 38
8.4.2 Backlight Booster 40
8.4.3 Audio 42
8.4.4 IrDA 47
8.4.5 Memory Card Interface 49
9 Shielding 50
Acronyms and Abbreviations 51

【文件名】:06612@52RD_1424-LZN9011096_PCB Layout_ Dev_Guide_Rev_G.pdf
【格　式】:pdf
【大　小】:619K
【简　介】:
【目　录】:

mwo1974

good[em01][em01][em01]

zhoujunyi

你看了吗

lszxj

<P>我没有钱！能不能给我email呀？谢谢了！waterliu@darts.com.tw</P>

yanerzihua

<P>看了，资料还不错。就是有点贵了。不利大家学习。不知道楼主是否同意免费发出。</P>

basecom1

[em01]