Sierra Wireless AirPrime AR7584, Hardware Integration Manual

Page 1: ...4111xxxx 0 1 Nov 06 2017 AirPrime AR7584 Hardware Integration Guide ...

Page 2: ...terfere 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 Wireless modem while in control of a vehicle Doing so will detract from the driver or operator s control and operation of that vehicl...

Page 3: ...T logos are registered trademarks of Sierra Wireless Inc or one of its subsidiaries Watcher is a registered trademark of Netgear Inc used under license Windows and Windows Vista are registered trademarks of Microsoft Corporation Macintosh and Mac OS X are registered trademarks of Apple Inc registered in the U S and other countries QUALCOMM is a registered trademark of QUALCOMM Incorporated Used un...

Page 4: ...41110461XXXX Rev 0 1 January 16 2017 4 Hardware Integration Guide Document History Version Date Updates 0 1 Nov 06 20167 Creation ...

Page 5: ...4 2 GNSS Antenna Interface 16 1 4 2 1 GNSS Antenna Recommendations 16 1 5 Electrical Specifications 17 1 5 1 Absolute Maximum Ratings 17 1 5 2 Digital IO Characteristics 17 2 AUDIO SPECIFICATION 20 2 1 Digital Audio 20 3 ROUTING CONSTRAINTS AND RECOMMENDATIONS 21 3 1 RF Routing Recommendations 21 3 2 USB Routing Recommendations 23 3 3 Power and Ground Recommendations 23 3 4 Antenna Recommendations...

Page 6: ...41110461XXXX Rev 0 1 January 16 2017 6 Hardware Integration Guide 7 ABBREVIATIONS 29 ...

Page 7: ... 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 ...

Page 8: ...s LTE Bands 12 Table 11 Conducted RX Sensitivity 3GPP BW 10MHz LTE Bands1 4 13 Table 12 Conducted RX Sensitivity SISO BW 10MHz LTE Bands1 13 Table 13 WWAN Antenna Interface Pads 13 Table 14 AirPrime AR758x Series WWAN Antenna Recommendations 14 Table 15 GNSS Specifications 15 Table 16 GNSS Antenna Interface Pads 16 Table 17 AirPrime AR758x Series Absolute Maximum Ratings 17 Table 18 Digital IO Cha...

Page 9: ...GE 900 1800 EMEA Europe Middle East 1 Other regions or operators which use the same frequency bands may also be supported subject to review and confirmation by Sierra Wireless Optional band 1 2 Power The AirPrime AR7584 are powered via a single regulated DC power supply 3 7V nominal Table 2 Power Supply Requirements Power Supply Min Typ Max Units Main DC Power Input Range VBATT 3 4 3 7 4 2 V Power...

Page 10: ... 1 W 30 dBm EGSM 900 27 3dB 27 4dB 27 2 5dB 27 3 5dB 8PSK mode connectorized Class E2 0 5 W 27 dBm GSM 1800 26 3dB 26 4dB 26 2 5dB 26 3 5dB 8PSK mode connectorized Class E2 0 4 W 26 dBm 1 Per 3GPP TS 51 010 1 Requirement for Normal condition 2 Per 3GPP TS 51 010 1 Requirement for Extreme conditions 3 Test at Class A extreme condition 1 3 1 2 GSM RX Sensitivity The GSM Receiver Sensitivities of the...

Page 11: ... 7 3 7dB 23 5 2 2 2 7dB 23 5 2 2 2 7dB 1 Connectorized Class 3 2 Per 3GPP TS 34 121 1 Specification 3 Test at Class A extreme condition 1 3 2 2 WCDMA RX Sensitivity The WCDMA Receiver Sensitivities of the AirPrime AR758x Series are specified in the following table Table 7 Conducted Primary RX Receive Sensitivity UMTS Bands1 Band Limit dBm 2 Room Typical dBm Class A Extreme Typical dBm 3 Class A Li...

Page 12: ...est configurations for all of the entries in the table above are per 3GPP specification Connectorized Class 3 Note 2 Per 3GPP TS 36 521 1 6 2 2 UE Maximum Output Power No MPR and for B13 Per VzW s Supplementary_RF_Conformance 2 1 Maximum Output Power No MPR Or A MPR Note 3 Class A is defined in 3 3 Environmental Note 4 For transmission bandwidths Figure 5 4 2 1 in 3GPP TS 36 521 1 confined within ...

Page 13: ...vity values scale with bandwidth x_MHz_Sensitivity 10 MHz_Sensitivity 10 log 10 MHz x_MHz 10 MHz BW and 50 RB DownLink and Up Link as 3GPP TS 36 521 1 Table 7 3 5 2 All values are preliminary pending transceiver matching and testing Table 11 Conducted RX Sensitivity SISO BW 10MHz LTE Bands1 Band Room Typical dBm Class A Extreme Typical dBm 1 Class A Limit dBm 1 Primary Secondary Primary Secondary ...

Page 14: ...and edges Total radiated efficiency of Ant1 or Ant2 50 on all bands 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 system Peak gain is not a good indication of antenna performance when integrated with a host device the...

Page 15: ...mits as the complex match between the module and antenna can cause unwanted levels of emissions Tuning may include antenna pattern changes phase delay adjustment passive component matching Examples of the application test limits would be included in FCC Part 22 Part 24 and Part 27 test case 4 2 16 for GSM ETSI EN 301 511 and test case 4 2 2 for WCDMA ETSI EN 301 908 1 where applicable a Ant1 Prima...

Page 16: ...al Pre SAW and LNA for conducted test setup at Room temperature it is used to simulate the active antenna as customer s application 5 1Hz Navigation used for all tracking navigation tests 6 GNSS constellations used GPS GLONASS Galileo Beidou 7 Accuracy data are provided Circular Error Probable CEP 50 CEP 95 Means that 50 95 of the positions returned calculated have an error lower or equal to the a...

Page 17: ...other signal pads Contact 1 5 kV 1 The ESD Simulator configured with 150pF 330Ω Caution Vxx is the supply voltage associated with the input or output pin to which the test voltage is applied 1 5 2 Digital IO Characteristics The Digital IO characteristics are defined in the table below These apply to GPIOs UART LED SPI I2C PCM I2S GNSS_LNA WAKE_N 2G_SYNC AT_PORT_SW SERVICE and RESET Table 17 Digita...

Page 18: ...utput current VOH 1 35 V 6 mA IOL Low Level output current VOL 0 45 V 6 mA IOH PM High level output current GPIO_PMxx only 0 60 mA IIHPD Input high leakage current Logic High with pull down 5 33 µA IILPU Input low leakage current Logic Low with pull up 33 5 µA CIN Input capacitance 5 pF Caution Digital IOs shall not be pulled up to an external voltage as this may cause VCC_1V8 to not go low when t...

Page 19: ...OS Schmitt 0 7 UICC_VCC UICC_VCC 0 3 V VIL Low level input voltage CMOS Schmitt 0 3 0 2 UICC_VCC V IIH Input high leakage current No pull down 10 µA IIL Input low leakage current No pull up 10 µA VOH High level output voltage CMOS at rated drive strength 0 8 UICC_VCC UICC_VCC V VOL Low level output current CMOS at rated drive strength 0 0 4 V Note 1 UICC2_VCC is 2 85V when Ethernet PHY Control int...

Page 20: ...n I2 S I2S_WS I2 S Word Select DC2 PCM PCM_DOUT Output PCM Data Out Leave Open I2 S I2S_DOUT I2 S Data Out DD2 PCM PCM_DIN Input PCM Data In Leave Open I2 S I2S_DIN I2 S Data In DD3 PCM2 PCM_CLK Output PCM Clock Leave Open I2 S2 I2S_SCLK I2 S Bit Clock DD4 PCM2 PCM_FS Output PCM Frame Sync Leave Open I2 S2 I2S_WS I2 S Word Select DE2 PCM2 PCM_DOUT Output PCM Data Out Leave Open I2 S2 I2S_DOUT I2 S...

Page 21: ... of the material used trace width 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 Figure 1 AppCAD Screenshot for Microst...

Page 22: ... corners A smooth radius is recommended E g Use of 45 angles instead of 90 The ground reference plane should be a solid continuous plane under the trace The coplanar clearance G below from the trace to the ground should be at least the trace width W and at least twice the height H This reduces the parasitic capacitance which potentially alters the trace impedance and increases the losses E g If W ...

Page 23: ...ll adjacent signals SuperSpeed USB adds two differential pairs SSRX SSRX and SSTX SSTX These pairs should be routed with the following considerations constraints 90 Ohm differential 15 trace impedance Differential trace length pair matching 0 7mm 5 ps Trace lengths 112 mm And GND isolation from other adjacent traces with minimum of 2x the SSRX SSTX trace wdith 3 3 Power and Ground Recommendations ...

Page 24: ...ble voltage translation This allows a host processor operating at a different voltage to communicate with the AirPrime AR758x Series using the appropriate voltage levels The figure below is a reference circuit for a digital input output signal to from the AirPrime AR758x Series VCCA VCCB DIR A B GPIOx VCC_1V8 ApplVcc 1 2V 3 6V ApplGPIOx Direction L B to A H A to B Figure 5 AirPrime AR758x Series I...

Page 25: ...E WCDMA TD SCDMA air interface protocols GNSS engine IMS protocol stack AT Command Processor New AT commands will be added by Sierra Wireless See document 8 for the complete list of AT Commands for AR758x Data services Drivers BSP Some modifications will be made to ensure the firmware can communicate with the AR758x module hardware properly UICC functions Memory Management Built in redundancy and ...

Page 26: ...ignals that could interfere with this equipment In an aircraft the AirPrime AR7584 device MUST BE POWERED OFF Otherwise the AirPrime AR7584 device can transmit signals that could interfere with various onboard systems and may be dangerous to the operation of the aircraft or disrupt the cellular network Use of cellular phone in aircraft is illegal in some jurisdictions Failure to observe this instr...

Page 27: ...ters WLAN 2400 2500 25 5150 580 27 WiMAX 2300 2400 25 2500 2700 25 3300 3800 25 BT 2400 2500 15 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 A user manual with...

Page 28: ...lementers Forum 6 Universal Serial Bus Class Definitions for Communication Devices V1 1 USB Implementers Forum 7 AirPrime AR7 Series Customer Process Guidelines Sierra Wireless 8 AirPrime AR75xx AT Command Interface Specification 4112841 V1 5 Sierra Wireless 9 AirPrime AR7xxx Firmware Download Guide Sierra Wireless 10 AirPrime AR758x Thermal Management Application Note 2174114 V1 0 Sierra Wireless...

Page 29: ...Communications HSPA High Speed Packet Access I2S Inter IC Sound LTE Long Term Evolution PCIe Peripheral Component Interconnect Express PCM Pulse Coded Modulation PMIC Power Management Integrated Circuit SCI Slot Cycle Index SDIO Secure Digital Input Output SPI Serial Peripheral Interface TDD Time Division Duplex TD SCDMA Time Division Synchronous Code Division Multiple Access UART Universal Asynch...