Huawei MU709 Series Hardware Manual page 43

Hspa+ lga module

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HUAWEI MU709 Series HSPA+ LGA Module

Hardware Guide

For the PCB designed by the user, the impedance of all the RF signal tracks must be

50 Ω. Generally, the impedance depends on the medium factor, track width, and

distance from the floor.

In order to reflect the rules of design, the following figures indicate the complete

structure of the microstrip and stripline with an impedance of 50 Ω as well as the

reference design for stack.

Figure 3-21 Complete structure of the microstrip

Figure 3-22 Complete structure of the stripline

Figure 3-23 Pad for the RF interface

Issue 09 (2017-12-15)

Huawei Proprietary and Confidential

Description of the Application Interfaces

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Mu709s-6 Mu709s-2