Huawei EM820W - Manuals - manualsarea.com

Page 3 - About This Document; History

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide About This Document Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. About This Document History Version Date Chapter Descriptions 01 2010-12-31 Creation

Page 4 - Contents

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Contents Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. i Contents 1 Introduction ..................................................................................................................

Page 6 - Tables

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Tables Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. iii Tables Table 2-1 Feature .................................................................................................................

Page 7 - Figures

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Figures Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. iv Figures Figure 2-1 Circuit block diagram of the EM820W module ........................................................... 4 Figure 2-2 ...

Page 8 - Introduction

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Introduction Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 1 1 Introduction 1.1 Overview This document describes the hardware application interfaces and air interfaces that are provided when t...

Page 9 - Overall Description; About This Chapter

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Overall Description Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 2 2 Overall Description 2.1 About This Chapter This chapter gives a general description of the EM820W module and provides: z F...

Page 10 - Circuit Block Diagram

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Overall Description Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 3 Feature Description W_Disable#: for turning on/off the RF signal. LED_WWAN#: Active-low LED signal indicating the state of t...

Page 11 - Application Block Diagram

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Overall Description Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 4 Figure 2-1 Circuit block diagram of the EM820W module 2.4 Application Block Diagram Figure 2-2 Application block diagram of ...

Page 12 - Description of the Application Interfaces; About This Chapter

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 5 3 Description of the Application Interfaces 3.1 About This Chapter This chapter mainly describes the e...

Page 15 - Power Sources and Grounds; Power Supply Time Sequence

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 8 Definition of the EM820W Mini PCI Express pins Pin No. Mini PCI Express Standard Description HUAWEI Pi...

Page 17 - USIM Interface Schematic Reference

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Description of the Application Interfaces Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 10 The high-speed signal characteristics are in accordance with the Eye Pattern Templates of the USB2.0 ...

Page 24 - RF Specifications; Operating Frequencies; Conducted RF Measurement

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide RF Specifications Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 17 4 RF Specifications 4.1 Operating Frequencies Table 4-1 shows the RF bands supported by EM820W. Table 4-1 RF bands Operating ...

Page 25 - Conducted Rx Sensitivity and Tx Power

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide RF Specifications Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 18 Compensation for WCDMA 850 MHz or 900 MHz: 0.6 dB Compensation for WCDMA 2100 MHz or WCDMA 1900 MHz: 0.8 dB The compensation ...

Page 27 - Antenna Design Requirements; Antenna Efficiency

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide RF Specifications Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 20 4.4 Antenna Design Requirements 4.4.1 Antenna Design Indicators Antenna Efficiency Antenna efficiency is the ratio of the inp...

Page 28 - Polarization

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide RF Specifications Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 21 z Adding a bandpass filter to the Wi-Fi channel to filter the WCDMA, GSM850, GSM900, DCS, and PCS signals z Ensuring sufficie...

Page 29 - Envelope Correlation Coefficient

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide RF Specifications Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 22 Envelope Correlation Coefficient The envelope correlation coefficient indicates the correlation between different antennas in...

Page 31 - Passive Tests

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide RF Specifications Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 24 GSM/WCDMA Antenna Requirements Bandwidth 70 MHz in GSM850 80 MHz in GSM900 170 MHz in DCS 140 MHz PCS 70 MHZ in WCDMA850 80 M...

Page 32 - Active Tests; Design Recommendations; Recommendations for Designing the Module Antennas

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide RF Specifications Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 25 Active Tests z TRP: GSM, WCDMA, CDMA, TD-SCDMA, and LTE systems z TIS: GSM, WCDMA, CDMA, TD-SCDMA, and LTE systems Figure 4-1...

Page 33 - ESD Protection for the Antenna Interface

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide RF Specifications Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 26 Figure 4-2 Recommended antenna positions z It is recommended that the antenna pattern be designed based on the horizontal pol...

Page 35 - Electrical and Reliability Features; About This Chapter

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Electrical and Reliability Features Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 28 5 Electrical and Reliability Features 5.1 About This Chapter This chapter describes the electrical and reli...

Page 36 - Electrical Criteria of Application Interfaces

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Electrical and Reliability Features Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 29 Table 5-1 Working and storage temperatures and humidity for the EM820W module Specification Minimum Value M...

Page 37 - Power Supply Features

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Electrical and Reliability Features Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 30 5.5 Power Supply Features 5.5.1 Power Supply The EM820W receives its power supply from a 3.3 V power source...

Page 40 - Reliability Features

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Electrical and Reliability Features Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 33 Description Test Value Units PCL Configuration 194 1 Up/1 Down 257 2 Up/1 Down 341 mA 2 4 Up/1 Down 142 1 U...

Page 42 - EMC and ESD Features

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Electrical and Reliability Features Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 35 Item Test Condition Standard Drop test First case: 0.3 m in height. Drop the EM820W module on the marble te...

Page 43 - Mechanical Specifications; Dimensions and Interfaces; Dimensions and Interfaces of EM820W; Dimensions of the Mini PCI Express Connector

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Mechanical Specifications Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 36 6 Mechanical Specifications 6.1 Dimensions and Interfaces 6.1.1 Dimensions and Interfaces of EM820W The dimensions of...

Page 44 - Specification Selection for Fasteners; Installing the EM820W on the Main Board of PC

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Mechanical Specifications Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 37 Figure 6-2 shows a 52-pin Mini PCI Express connector (take the Molex 67910002 as an example). Figure 6-2 Dimensions o...

Page 46 - Romoving the EM820W from the Main Board of PC

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Mechanical Specifications Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 39 6.3.2 Romoving the EM820W from the Main Board of PC Step 1 Disconnect the antenna cables from the EM820W. You can lif...

Page 47 - Appendix A Circuits of Typical Interfaces

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Appendix A Circuits of Typical Interfaces Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 40 7 Appendix A Circuits of Typical Interfaces Figure 7-1 Circuits of typical interfaces in the EM820W m...

Page 48 - Appendix B Acronyms and Abbreviations

HUAWEI EM820W HSPA+ PC Embedded Module Hardware Guide Appendix B Acronyms and Abbreviations Issue 01 (2010-12-31) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd. 41 8 Appendix B Acronyms and Abbreviations Acronym or Abbreviation Expansion BB Baseband CE European Conform...