Huawei EM820W Istruzioni per l'installazione

HUAWEI EM820W HSPA+ PC Embedded Module

Hardware Guide

Issue 01

Date 2010-12-09

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HUAWEI EM820W HSPA+ PC Embedded Module

Hardware Guide About This Document

Issue 01 (2010-12-09) Huawei Proprietary and Confidential

About This Document

History

Version Date Chapter

Descriptions

01 2010-12-09 Creation

HUAWEI EM820W HSPA+ PC Embedded Module

Hardware Guide Contents

Issue 01 (2010-12-09) Huawei Proprietary and Confidential

Contents

1 Introduction......................................................................................................................................1

1.1 Overview ........................................................................................................................................ 1

2 Overall Description..........................................................................................................................2

2.1 About This Chapter....................................................................................................................... 2

2.2 Function Overview........................................................................................................................ 2

2.3 Circuit Block Diagram................................................................................................................... 3

2.4 Application Block Diagram........................................................................................................... 4

3 Description of the Application Interfaces ......................................................................................5

3.1 About This Chapter....................................................................................................................... 5

3.2 Mini PCI Express Interface.......................................................................................................... 5

3.3 Power Sources and Grounds...................................................................................................... 8

3.4 Power Supply Time Sequence.................................................................................................... 8

3.5 USB Signals................................................................................................................................... 9

3.6 USIM Signals............................................................................................................................... 10

3.6.1 USIM Interface Schematic Reference ............................................................................ 10

3.6.2 Design Guide.......................................................................................................................11

3.6.3 Certification Test ................................................................................................................ 13

3.7 W_DISABLE# Signal.................................................................................................................. 14

3.8 LED_WWAN# Signal.................................................................................................................. 14

3.9 WAKE_NB_N Signal .................................................................................................................. 16

3.10 NC Pins ...................................................................................................................................... 16

4 RF Specifications............................................................................................................................17

4.1 Operating Frequencies .............................................................................................................. 17

4.2 Conducted RF Measurement.................................................................................................... 17

4.2.1 Test Environment ............................................................................................................... 17

4.2.2 Test Standards.................................................................................................................... 18

4.3 Conducted Rx Sensitivity and Tx Power................................................................................. 18

4.3.1 Conducted Receive Sensitivity ........................................................................................ 18

4.3.2 Conducted Transmit Power.............................................................................................. 19

4.4 Antenna Design Requirements................................................................................................. 19

HUAWEI EM820W HSPA+ PC Embedded Module

Hardware Guide Contents

Issue 01 (2010-12-09) Huawei Proprietary and Confidential

4.4.1 Antenna Design Indicators ............................................................................................... 19

4.4.2 Interference......................................................................................................................... 23

4.4.3 GSM/WCDMA Antenna Requirements........................................................................... 23

4.4.4 Radio Test Environment.................................................................................................... 24

4.5 Design Recommendations ........................................................................................................ 25

4.6 ESD Protection for the Antenna Interface............................................................................... 26

5 Electrical and Reliability Features ................................................................................................28

5.1 About This Chapter..................................................................................................................... 28

5.2 Extreme Working Conditions .................................................................................................... 28

5.3 Working and Storage Temperatures and Humidity................................................................ 28

5.4 Electrical Criteria of Application Interfaces ............................................................................. 29

5.5 Power Supply Features ............................................................................................................. 30

5.5.1 Power Supply ..................................................................................................................... 30

5.5.2 Power Consumption .......................................................................................................... 30

5.6 Reliability Features ..................................................................................................................... 33

5.7 EMC and ESD Features ............................................................................................................ 35

6 Mechanical Specifications .............................................................................................................36

6.1 Dimensions and Interfaces........................................................................................................ 36

6.1.1 Dimensions and Interfaces of EM820W......................................................................... 36

6.2 Dimensions of the Mini PCI Express Connector.................................................................... 36

6.3 Specification Selection for Fasteners ...................................................................................... 37

6.3.1 Installing the EM820W on the Main Board of PC ......................................................... 37

6.3.2 Romoving the EM820W from the Main Board of PC.................................................... 38

7 Appendix A Circuits of Typical Interfaces...................................................................................40

8 Appendix B Acronyms and Abbreviations...................................................................................41

HUAWEI EM820W HSPA+ PC Embedded Module

Hardware Guide Tables

Issue 01 (2010-12-09) Huawei Proprietary and Confidential

Tables

Table 2-1 Feature................................................................................................................................2

Table 3-1 Pin definitions of the Mini PCI-E Interface..................................................................... 5

Table 3-2 Power and ground specifications.................................................................................... 8

Table 3-3 USB pins............................................................................................................................. 9

Table 3-4 USB signal DC characteristics ........................................................................................ 9

Table 3-5 USIM pins ......................................................................................................................... 10

Table 3-6 SIM RST requirements ................................................................................................... 12

Table 3-7 SIM CLK requirements ................................................................................................... 12

Table 3-8 SIM IO requirements....................................................................................................... 13

Table 3-9 W_DISABLE_N signal .................................................................................................... 14

Table 3-10 Radio operational states .............................................................................................. 14

Table 3-11 LED_WWAN signal ....................................................................................................... 15

Table 4-1 RF bands .......................................................................................................................... 17

Table 4-2 EM820W conducted Rx sensitivity (unit: dBm)........................................................... 18

Table 4-3 EM820W conducted Tx power (unit: dBm).................................................................. 19

Table 4-4 Isolation between the master antenna and the Wi-Fi antenna................................. 20

Table 4-5 GSM/WCDMA antenna requirements .......................................................................... 23

Table 5-1 Working and storage temperatures and humidity for the EM820W module .......... 29

Table 5-2 Electrical features of application interfaces................................................................. 29

Table 5-3 Power requirements........................................................................................................ 30

Table 5-4 DC power consumption (HSPA/WCDMA) ................................................................... 30

Table 5-5 DC power consumption (GSM/GPRS/EDGE) ............................................................ 32

Table 5-6 DC power consumption(Idle and Suspend) ................................................................ 33

Table 5-7 Test conditions and results of the mechanical reliability of the EM820W module.34

HUAWEI EM820W HSPA+ PC Embedded Module

Hardware Guide Figures

Issue 01 (2010-12-09) Huawei Proprietary and Confidential

Figures

Figure 2-1 Circuit block diagram of the EM820W module ........................................................... 4

Figure 2-2 Application block diagram of the EM820W module ................................................... 4

Figure 3-1 HUAWEI EM820W power supply time sequence. ..................................................... 9

Figure 3-2 USIM interface schematic on PC.................................................................................11

Figure 3-3 Pin definition of the SIM card Socket ..........................................................................11

Figure 3-4 LED_WWAN# signal reference circuit diagram........................................................ 15

Figure 3-5 LED typical electro-optical characteristics curves.................................................... 16

Figure 4-1 SATIMO microwave testing chamber......................................................................... 25

Figure 4-2 Recommended antenna positions .............................................................................. 26

Figure 4-3 ESD protection circuit recommended for the antenna interface ............................ 27

Figure 6-1 Dimensions of the EM820W ........................................................................................ 36

Figure 6-2 Dimensions of the Mini PCI Express connector ....................................................... 37

Figure 7-1 Circuits of typical interfaces in the EM820W module .............................................. 40

HUAWEI EM820W HSPA+ PC Embedded Module

Hardware Guide Introduction

Issue 01 (2010-12-09) Huawei Proprietary and Confidential

1 Introduction

1.1 Overview

This document describes the hardware application interfaces and air interfaces that

are provided when the Huawei EM820W HSPA+ PC Embedded module (hereinafter

referred to as the EM820W module) is used.

This document helps you to understand the interface specifications, electrical

features, and related product information of the EM820W module. To facilitate its use

in different fields, relevant development guides document are also provided with the

module, which can be obtained through Huawei website.

HUAWEI EM820W HSPA+ PC Embedded Module

Hardware Guide Overall Description

Issue 01 (2010-12-09) Huawei Proprietary and Confidential

2 Overall Description

2.1 About This Chapter

This chapter gives a general description of the EM820W module and provides:

zFunction Overview

zCircuit Block Diagram

zApplication Block Diagram

2.2 Function Overview

Table 2-1 Feature

Feature Description

Working bands GSM/GPRS/EDGE 850/900/1800/1900 (MHz)

HSPA+/HSUPA/HSDPA/WCDMA 2100/1900/900/850 (MHz)

Normal working temperature: –10°C to +55°C

Working

temperature Extreme working temperatures: –20°C to –10°C and +55°C to

+70°C

Ambient

temperature for

storage

–40°C to 85°C

Power voltage 3.3 V±9 %(3.3 V is recommended)

AT commands See the HUAWEI EM820W HSPA+ PC Embedded Module

Software Guide Specification.

One standard Subscriber Identity Module (SIM) card interface (3

V or 1.8 V)

USB 2.0 (high speed)

Application

interface (52pin

Mini PCI-E

interface)

WAKE#: Wake up signal

HUAWEI EM820W HSPA+ PC Embedded Module

Hardware Guide Overall Description

Issue 01 (2010-12-09) Huawei Proprietary and Confidential

Feature Description

W_Disable#: for turning on/off the RF signal.

LED_WWAN#: Active-low LED signal indicating the state of the

card

Power Interface

New message alert, receiving and sending text messages

SMS Management of text messages: read messages, delete

messages, storage status, and message list

Support for the protocol data unit (PDU) mode

GSM CS: 9.6/14.4 kbps

GPRS/EDGE: Multi-slot Class 12, Class B

WCDMA CS: UL 64kbps/DL 64kbps

WCDMA/HSDPA PS: UL384kbps/DL3.6Mbps, HSDPA Category

6, 8, 9, 10, 12, 14

Data services

HSPA+ Rel7

Physical

features

Dimensions (L × W × H): 50.95 mm × 30 mm × 4.5 mm

Weight: < 15 g

Certification

information

Restriction of the use of certain Hazardous Substances (RoHS),

European Conformity (CE), Federal Communications

Commission (FCC)

2.3 Circuit Block Diagram

Figure 2-1 shows the circuit block diagram of the EM820W module. The application

block diagram and major functional units of the EM820W module contain the

following parts:

zMobile data modem

zPower management

zMulti-chip package (MCP) memory

zRadio frequency (RF) transceiver

zRF front-end modules

zReceive filter

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