Sierra Wireless AirPrime AR7584 Hardware Integration Manual
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Sierra Wireless AirPrime AR7584 Hardware Integration Manual

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Hardware Integration Guide
AirPrime AR7584
4111xxxx
0.1
Nov 06, 2017

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Summary of Contents for Sierra Wireless AirPrime AR7584

  • Page 1 Hardware Integration Guide AirPrime AR7584 4111xxxx Nov 06, 2017...
  • Page 2 Data may be delayed, corrupted (i.e., have errors) or be totally lost. Although significant delays or losses of data are rare when wireless devices such as the Sierra Wireless modem are used in a normal manner with a well-constructed network, the Sierra Wireless modem should not be used in situations where failure to transmit or receive data could result in damage of any kind to the user or any other party, including but not limited to personal injury, death, or loss of property.
  • Page 3 This product may contain technology developed by or for Sierra Wireless Inc. ® This product includes technology licensed from QUALCOMM This product is manufactured or sold by Sierra Wireless Inc. or its affiliates under one or more patents licensed from InterDigital Group and MMP Portfolio Licensing. Copyright ©...
  • Page 4 Hardware Integration Guide Document History Version Date Updates Nov 06, 20167 Creation 41110461XXXX Rev 0.1 January 16, 2017...

  • Page 5: Table Of Contents

    Contents 1. INTRODUCTION ....................9 1.1. General Features ......................9 1.2. Power ..........................9 1.3. RF ............................9 1.3.1. GSM RF Interface ....................10 1.3.1.1. GSM TX Output Power....................10 1.3.1.2. GSM RX Sensitivity ....................... 10 1.3.2. WCDMA RF Interface ....................11 1.3.2.1.
  • Page 6 Hardware Integration Guide 7. ABBREVIATIONS ....................29 41110461XXXX Rev 0.1 January 16, 2017...
  • Page 7 List of Figures Figure 1. AppCAD Screenshot for Microstrip Design Power Mode Diagram ......... 21 Figure 2. RF Routing Examples ..................... 22 Figure 3. Coplanar Clearance Example ..................22 Figure 4. Antenna Microstrip Routing Example ................23 Figure 5. AirPrime AR758x Series Interface Reference Circuit............24 41110461 Rev 0.1 January 16, 2017...
  • Page 8 List of Tables Table 1. AirPrime AR758x Series Embedded Modules ..............9 Table 2. AirPrime AR758x Series Supported Carrier Aggregation Combinations ......9 Table 3. Power Supply Requirements ..................... 9 Table 4. Power Supply Pads ......................9 Conducted TX (Transmit) Max output Power Tolerances – GSM/EDGE Bands .... 10 Table 5.

  • Page 9: Introduction

    Must Be Used VBATT Input Power Supply Input Must Be Used 1.3. This section presents the WWAN RF interface of the AirPrime AR7584. The specifications for the LTE, GSM and WCDMA interfaces are defined. 41110461 Rev 0.1 January 16, 2017...

  • Page 10: Gsm Rf Interface

    This section presents the GSM RF Specification for the AirPrime AR7584. 1.3.1.1. GSM TX Output Power The GSM Maximum Transmitter Output Power of the AirPrime AR7584 are specified in the following table. Note: All values presented in the table below are preliminary.

  • Page 11: Wcdma Rf Interface

    Hardware Integration Guide Introduction 1.3.2. WCDMA RF Interface This section presents the WCDMA RF Specification for the AirPrime AR758x Series. 1.3.2.1. WCDMA TX Output Power The WCDMA Maximum Transmitter Output Power of the AirPrime AR758x Series is specified in the following table.

  • Page 12: Lte Rf Interface

    Hardware Integration Guide Introduction 2 Test at Class A extreme condition 1.3.3. LTE RF Interface This section presents the LTE RF Specification for the AirPrime AR758x Series. 1.3.3.1. LTE TX Output Power The LTE Maximum Transmitter Output Power of the AirPrime AR758x Series are specified in the following table.

  • Page 13: Wwan Antenna Interface

    Hardware Integration Guide Introduction Conducted RX Sensitivity 3GPP (BW: 10MHz) – LTE Bands 1, 4 Table 10. Standard Room Typical Class A (Extreme) Class A Limit Band (dBm) (dBm) Typical (dBm) (dBm) -96.3 -101 -100 -101.5 -100 -93.3 -99.5 -94.3 -102 -101.5 -93.3...

  • Page 14: Wwan Antenna Recommendations

     Measured at the RF connector.  Includes mismatch losses, losses in the matching circuit, and antenna losses, excluding cable loss.  Sierra Wireless recommends using antenna efficiency as the primary parameter for evaluating the antenna Total radiated system. > 50% on all bands...

  • Page 15: Gnss

    Hardware Integration Guide Introduction Parameter Requirements Comments Maximum Voltage 36 Volts applied to antenna  Measure power endurance over 4 hours (estimated talk time) using a 2 W CW signal — set the CW test signal frequency to the middle of the PCS TX band (1880 MHz for PCS).

  • Page 16: Gnss Antenna Interface

    Hardware Integration Guide Introduction Parameter/Feature Value 4,5,6 Tracking -163 dBm Sensitivity (GPS, Cold start Acquisition -158 dBm GLONASS, BeiDou) Hot start Acquisition -145 dBm 1,3,4,5,6, Horizontal Position accuracy 2 / 5 1,3,4,5,6, Altitude accuracy 4 / 10 1,3,4,5,6 Velocity accuracy Tracking update rates 1 Hz SBAS support...

  • Page 17: Electrical Specifications

    Hardware Integration Guide Introduction 1.5. Electrical Specifications This section provides details of the key electrical specifications of the AirPrime AR758x Series. 1.5.1. Absolute Maximum Ratings This section defines the Absolute Maximum Ratings of the AirPrime AR758x Series. Warning: If operating outside of the defined specifications, even momentarily, damage may occur to the device.

  • Page 18: Table 19. Digital Io Characteristics For Sdio Vcc=1.8V Nominal

    Hardware Integration Guide Introduction Table 18. The 1.8V Digital IO characteristics are defined in the table below. (Except SDIO1, UICC1 and UICC2/ Ethernet PHY Control interface) Table 18. D Digital IO Characteristics for VDD=1.8V Nominal Parameter Comments Units High level input –...

  • Page 19: Table 21. Digital Io Characteristics For Uicc_Vcc=1.8V Nominal

    Hardware Integration Guide Introduction Table 20. Digital IO Characteristics for UICC_VCC =3V/2.85V Nominal Parameter Comments Units High level input – CMOS/Schmitt 0.7* UICC_VCC UICC_VCC + 0.3 voltage Low level input – CMOS/Schmitt -0.3 0.2* UICC_VCC voltage Input high – – No pull-down µA leakage current...

  • Page 20: Audio Specification

    2. Audio Specification 2.1. Digital Audio The AirPrime AR758x Series provides two 4-wire digital audio interfaces. Each interface can be configured as either a PCM or an I2S interface. Table 21. Digital Audio Interface Pads Mode Name Direction Function If Unused PCM_CLK PCM Clock Output...

  • Page 21: Routing Constraints And Recommendations

    (W), trace thickness (T), and height (H) between the trace and the reference ground plane. In order to respect this constraint, Sierra Wireless recommends that a MicroStrip structure be used and trace width be computed with a simulation tool (such as AppCAD, shown in the figure below and available free of charge at http://www.avagotech.com).

  • Page 22: Figure 2. Rf Routing Examples

    Hardware Integration Guide Routing Constraints and Recommendations Poor routing Correct routing The yellow traces cross the RF trace. There is no signal around the RF path. Figure 2. RF Routing Examples  Fill the area around the RF traces with ground and ground vias to connect inner ground layers for isolation.

  • Page 23: Usb Routing Recommendations

    Hardware Integration Guide Routing Constraints and Recommendations RF Connector 50 Ohm Controlled Impedance Trace AR759x 2x Ground holdback – twice the trace width Figure 4. Antenna Microstrip Routing Example 3.2. USB Routing Recommendations HighSpeed USB signals (USB_D_P / USB_D_M) are a differential pair and must be routed with the following considerations/constraints: ...

  • Page 24: Antenna Recommendations

    Hardware Integration Guide Routing Constraints and Recommendations 3.4. Antenna Recommendations Connecting the antenna ground reference to the vehicle chassis is not recommended since that has been known to cause noise from the engine to couple into the audio of the device. It is ultimately up to the integrator to evaluate this performance.

  • Page 25: Firmware And Tools

    Memory Management: Built-in redundancy and continuous monitoring against memory corruption  Antenna Protection  Voice support 4.2. Tools The following tools will be needed for the AirPrime AR7584 development, testing and commercialization.  Firmware Update Tool  Linux driver and Application Downloader  Logging Tool ...

  • Page 26: Approval

    Sierra Wireless and its affiliates accept no responsibility for damages of any kind resulting from delays or errors in data transmitted or received using Sierra Wireless modem, or for failure of the Sierra Wireless modem to transmit or receive such data.

  • Page 27: Ic Regulations

    2400-2500 *. Valid collocated Transmitter combinations: WLAN+BT; WiMAX+BT. (WLAN+WiMAX+BT is not permitted.) 5. A label must be affixed to the outside of the end product into which the AirPrime AR7584 device is incorporated, with a statement similar to the following: This device contains FCC ID: N7NAR7584 6.

  • Page 28: References

    Universal Serial Bus Class Definitions for V1.1 USB Implementers Forum Communication Devices AirPrime - AR7 Series - Customer Process Guidelines Sierra Wireless AirPrime - AR75xx - AT Command Interface V1.5 Sierra Wireless Specification - 4112841 AirPrime AR7xxx Firmware Download Guide...

  • Page 29: Table 26. Abbreviations

    7. Abbreviations The table below lists several abbreviations used in this document. Table 23. Abbreviations Abbreviation Description Analog-to-Digital Converter CDMA Code Division Multiple Access Discontinuous Receive EDGE Enhanced Data rates for GSM Evolution Frequency Division Duplex GERAN GSM EDGE Radio Access Network GNSS Global Navigation Satellite System Global System for Mobile Communications...

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