Table Of Contents - Huawei MU709 Series Hardware Manual

HUAWEI MU709 Series HSPA+ Mini PCIe Module
Hardware Guide
1 Introduction.................................................................................................................................... 7
2 Overall Description ...................................................................................................................... 8
2.1 About This Chapter ........................................................................................................................... 8
2.2 Function Overview............................................................................................................................ 8
2.3 Circuit Block Diagram ....................................................................................................................... 9
3 Description of the Application Interfaces .............................................................................. 11
3.1 About This Chapter .......................................................................................................................... 11
3.2 Mini PCIe Interface .......................................................................................................................... 11
3.3 Power Interface .............................................................................................................................. 16
3.3.1 Sources and Grounds ............................................................................................................ 16
3.3.2 Power Supply Time Sequence .............................................................................................. 17
3.4 Signal Control Interface .................................................................................................................. 18
3.4.1 Overview ................................................................................................................................ 18
3.4.2 WAKE# Signal ....................................................................................................................... 18
3.4.3 RESIN_N Signal .................................................................................................................... 19
3.4.4 LED_WWAN# Signal ............................................................................................................. 20
3.5 USB Interface ................................................................................................................................. 21
3.5.1 Overview ................................................................................................................................ 21
3.5.2 Circuit Recommended for the USB Interface ........................................................................ 22
3.6 USIM Card Interface ...................................................................................................................... 22
3.6.1 Overview ................................................................................................................................ 22
3.6.2 Circuit Recommended for the USIM Card Interface .............................................................. 23
3.7 Audio Interface ............................................................................................................................... 24
3.7.1 Overview ................................................................................................................................ 24
3.7.2 Circuit Recommended for the Audio Interface ...................................................................... 25
3.8 NC Pins .......................................................................................................................................... 25
4 RF Specifications ......................................................................................................................... 27
4.1 About This Chapter ......................................................................................................................... 27
4.2 Operating Frequencies ................................................................................................................... 27
4.3 Conducted RF Measurement ......................................................................................................... 28
4.3.1 Test Environment ................................................................................................................... 28
4.3.2 Test Standards ....................................................................................................................... 28
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Issue 04 (2015-06-25)
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