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AirPrime WP8548

Hardware Integration Guide

4118723

Rev 2

Содержание AirPrime WP8548

Страница 1: ...AirPrime WP8548 Hardware Integration Guide 4118723 Rev 2 ...

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Страница 3: ... aircraft the Sierra Wireless modem MUST BE POWERED OFF When operating the Sierra Wireless modem can transmit signals that could interfere with various onboard systems Note Some airlines may permit the use of cellular phones while the aircraft is on the ground and the door is open Sierra Wireless modems may be used at this time The driver or operator of any vehicle should not operate the Sierra Wi...

Страница 4: ...registered trademark of QUALCOMM Incorporated Used under license Other trademarks are the property of their respective owners Contact Information Consult our website for up to date product descriptions documentation application notes firmware upgrades troubleshooting tips and press releases www sierrawireless com Revision History Sales Desk Phone 1 604 232 1488 Hours 8 00 AM to 5 00 PM Pacific Tim...

Страница 5: ...mmendations 13 PCB Layout Recommendations 13 Power Supply 13 Antenna 14 PCB Specifications for the Application Board 14 Recommended PCB Land Pattern 14 Routing Constraints 14 Power Supply 14 UIM Interface 15 RF Circuit 15 USB Interface 16 Thermal Considerations 16 EMC and ESD Recommendations 16 Mechanical Integration 17 Signal Reference Schematics 18 5 Regulatory Compliance and Industry Certificat...

Страница 6: ...Hardware Integration Guide Specifications subject to change 6 4118723 Important Compliance Information for North American Users 22 ...

Страница 7: ...ty on HSPA WCDMA EDGE and GPRS networks The module also provides GNSS functionality Accessories A hardware development kit is available for AirPrime WP series modules The kit contains hardware components for evaluating and developing with the module including Development board Cables Antennas Additional antennas may be required to support all bands Other accessories ...

Страница 8: ...Hardware Integration Guide Specifications subject to change 8 4118723 ...

Страница 9: ...ported Power States State Description Wake Up Events OFF Module is off no power to the system Apply power for system to go to Active state Apply power Interrupt Simple wakeup sources are configured to interrupt from this power saving state to the Active state An event generated from a state change of RESET_IN_N or POWER_ON_N or a timeout event Active The module may be fully functioning WWAN radio ...

Страница 10: ...Hardware Integration Guide Specifications subject to change 10 4118723 ...

Страница 11: ... deployment scenario Band Frequency Tx Frequency Rx B1 1920 1980 2110 2170 B2 1850 1910 1930 1990 B5 824 849 869 894 B6 830 840 875 885 B8 880 915 925 960 B19 830 845 875 890 Table 3 2 GPRS EDGE Frequency Band Support Band Frequency Tx Frequency Rx GSM 850 824 849 869 894 E GSM 900 880 915 925 960 DCS 1800 1710 1785 1805 1880 PCS 1900 1850 1910 1930 1990 Table 3 3 GNSS Frequency Band Support Band ...

Страница 12: ...Class 3 B8 22 23 24 Connectorized Class 3 B19 22 23 24 Connectorized Class 3 Table 3 5 Conducted Tx Max Output Power Tolerances GSM RF band Min Typ Max Notes GSM 850 31 32 33 GMSK mode connectorized Class 4 2 W 33 dBm E GSM 900 31 32 33 DCS 1800 28 29 30 GMSK mode connectorized Class 1 1 W 30 dBm PCS 1900 28 29 30 GSM 850 25 5 26 5 27 5 8PSK mode connectorized Class E2 0 5 W 27 dBm E GSM 900 25 5 ...

Страница 13: ...d pads should be re flowed on to the host PCB with 30 voiding to allow effective heat dissipation Power Supply When designing the power supply make sure that VBAT_BB VBAT_RF meet the requirements listed in the WP8548 Product Technical Specification Careful attention should be paid to the following Power supply quality PFM or PSM systems should be avoided Low ripple linear regulation or PWM convert...

Страница 14: ...otected by ground planes fills Routing sensitive signals close to noisy signals could result in noise being coupled Recommended PCB Land Pattern Refer to the AirPrime WP8548 Customer Process Guidelines document available at http source sierrawireless com Routing Constraints Power Supply If the following design recommendations are not followed phase error peak and power loss could occur Since the m...

Страница 15: ... line impedance does not exceed 10 m 217 Hz Ground Plane Connection The AirPrime WP8548 module requires a solid central ground plane with solder mask defined pads located directly under the module This will Ensure high current signal returns Provide heat dissipation under higher operating temperatures The ground plane should be connected with vias to the reference ground layer of the application b...

Страница 16: ...ors Supply voltage Maximum power dissipation for these modules can be up to 3 W at voltage supply limits Usage Typical power dissipation values depend on the location within the host amount of data transferred etc To enhance heat dissipation Maximize airflow over around the module Locate the module away from other components that generate heat Ensure the module is connected to a solid ground plane...

Страница 17: ... etc Pads of the AirPrime WP8548 to be soldered to the ground plane Ensuring proper board layout Providing sufficient space around the module for heat dissipation Table 4 1 ESD specifications 1 2 1 ESD specifications are preliminary subject to change 2 ESD protection is highly recommended at the point where the UIM contacts are exposed and for any other signals that would be subjected to ESD by th...

Страница 18: ...NI VGPIO_1V8 UIM_RESET_N UIM_DATA UIM_CLK UIM_VCC UIM1_DET UIM1 DNI SIM2070 6 0 30 00 A ESD suppressor Note Example ESD and SIM connector part numbers listed Comparable parts may be used instead Note Capacitor on UIM_CLK is intended to slow down the clock signal in case of crosstalk DNI DNI Example ESD suppressor STMicroelectronics DALC208SC6 uClamp 3301P 1 2 3 4 6 5 Important SIM connector must h...

Страница 19: ...ications subject to change Figure 4 4 USB OTG Interface 2 1 5 3 4 6 6 4 2 5 7 1 3 51K 5 51K 5 51K 5 470 1 NC1 VCC NC2 GND A Y VCC_1V8 VCC_5V0 USB_ID DNI VCC_1V8 10µF USB_VBUS VIN VOUT FLAGB ISET ON GND1 GND2 Replace with FPF2163 if Autorestart is required FPF2164 ...

Страница 20: ...Hardware Integration Guide Specifications subject to change 20 4118723 ...

Страница 21: ... data Safety and Hazards Do not operate your AirPrime WP8548 Embedded Module In areas where blasting is in progress Where explosive atmospheres may be present including refueling points fuel depots and chemical plants Near medical equipment life support equipment or any equipment which may be susceptible to any form of radio interference In such areas the AirPrime WP8548 modem MUST BE POWERED OFF ...

Страница 22: ...ed Note Gain values are preliminary and subject to change 4 0 dBi in Cellular band 3 0 dBi in PCS band 4 The AirPrime WP8548 module may transmit simultaneously with other collo cated radio transmitters within a host device provided the following conditions are met Each collocated radio transmitter has been certified by FCC IC for mobile application At least 20 cm separation distance between the an...

Страница 23: ...with the end product must clearly indicate the operating requirements and conditions that must be observed to ensure compliance with current FCC IC RF exposure guidelines The end product with an embedded AirPrime WP8548 module may also need to pass the FCC Part 15 unintentional emission testing requirements and be properly authorized per FCC Part 15 Note If this module is intended for use in a por...

Страница 24: ...Hardware Integration Guide Specifications subject to change 24 4118723 ...

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