Huawei Technologies MU509B HSDPA Module User Manual English
Huawei Technologies Co.,Ltd HSDPA Module English
Contents
- 1. Installation Manual 1
- 2. Installation Manual 2
Installation Manual 1
Copyright © Huawei Technologies Co., Ltd. 2010. All rights reserved. No part of this document may be reproduced or transmitted in any form or by any means without prior written consent of Huawei Technologies Co., Ltd. The product described in this manual may include copyrighted software of Huawei Technologies Co., Ltd and possible licensors. Customers shall not in any manner reproduce, distribute, modify, decompile, disassemble, decrypt, extract, reverse engineer, lease, assign, or sublicense the said software, unless such restrictions are prohibited by applicable laws or such actions are approved by respective copyright holders under licenses. Trademarks and Permissions , and Technologies Co., Ltd. are trademarks or registered trademarks of Huawei Other trademarks, product, service and company names mentioned are the property of their respective owners. Notice Some features of the product and its accessories described herein rely on the software installed, capacities and settings of local network, and may not be activated or may be limited by local network operators or network service providers, thus the descriptions herein may not exactly match the product or its accessories you purchase. Huawei Technologies Co., Ltd reserves the right to change or modify any information or specifications contained in this manual without prior notice or obligation. NO WARRANTY THE CONTENTS OF THIS MANUAL ARE PROVIDED “AS IS”. EXCEPT AS REQUIRED BY APPLICABLE LAWS, NO WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, ARE MADE IN RELATION TO THE ACCURACY, RELIABILITY OR CONTENTS OF THIS MANUAL. TO THE MAXIMUM EXTENT PERMITTED BY APPLICABLE LAW, IN NO CASE SHALL HUAWEI TECHNOLOGIES CO., LTD BE LIABLE FOR ANY SPECIAL, INCIDENTAL, INDIRECT, OR CONSEQUENTIAL DAMAGES, OR LOST PROFITS, BUSINESS, REVENUE, DATA, GOODWILL OR ANTICIPATED SAVINGS. Import and Export Regulations Customers shall comply with all applicable export or import laws and regulations and will obtain all necessary governmental permits and licenses in order to export, re-export or import the product mentioned in this manual including the software and technical data therein. Contents Getting to Know the MU509..................................................................... 1 PCB Design ........................................................................................... 3 Assembly.............................................................................................. 5 Thank you for purchasing HUAWEI MU509-b HSDPA Module (hereinafter referred to as the MU509) Note: This manual briefly describes the preparation, the process for PCB Design, Assembly and safety precautions. You are recommended to read the manual before using the MU509. Getting to Know the MU509 The package of the LGA module is 116 pin LGA with a dimension of 30 mm × 30 mm × 2.5 mm and the pitch of 1.5 mm. It is applied to the user interface board, and can be used as a wireless terminal in a network environment. 2 PCB Design CB Pad Design To achieve high efficiency of the production and solder joints of high reliability, it is recommended that the PCB pad size be designed as follows: the size of the middle region is the same as the pad size of the product package; other pads are 0.05 mm larger than the unilateral pad of the product package. For details, see the following figure: Requirements on PCB Layout Other devices must be located more than 3 mm away from the LGA module. It is recommended to be 5 mm. The minimum distance between the LGA module and the PCB edge is 1.5 mm. When the PCB layout is double sided, it is recommended that the LGA module be placed on the second side for assembly. Design of Solder Mask The PCB pad design can be solder mask defined (SMD), or non-solder mask defined (NSMD). NSMD is recommended. In addition, the solder mask of the NSMD pad design is larger than the pad so the reliability of the solder joint can be improved. The solder mask must be 100 um to150 um larger than the pad, that is, the single side of the solder mask must be 50 um to 75 um larger than the pad. The specific size depends on the processing capability of the PCB manufacturer. Assembly Stencil Design It is recommended that the stencil for the LGA module be 0.12 mm in thickness. For the stencil design, see the following figure: Reflow Profile For the soldering temperature of the LGA module, see the following figure: Reflow parameters: Preheat zone (40–150°C) Time: 60–120sec Heating rate: 0.5–2°C/sec Soak zone (150-200°C) Time: 60–120sec Heating rate: <1.0°C/sec Reflow zone (> 217°C) Time: 30–90sec Peak reflow temperature: 230–260°C Cooling zone Cooling rate: 1°C/sec ≤ Slope ≤ 4°C/sec
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