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LTE Module Series

EG95 Hardware Design

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In order to enhance the reliability and availability of the (U)SIM cards in customers’ applications, please
follow the criteria below in the (U)SIM circuit design:



Keep placement of (U)SIM card connector to the module as close as possible. Keep the trace length
as less than 200mm as possible.



Keep (U)SIM card signals away from RF and VBAT traces.



Assure the ground between the module and the (U)SIM card connector short and wide. Keep the
trace width of ground and USIM_VDD no less than 0.5mm to maintain the same electric potential.



To avoid cross-talk between USIM_DATA and USIM_CLK, keep them away from each other and
shield them with surrounded ground.



In order to offer good ESD protection, it is recommended to add a TVS diode array whose parasitic
capacitance  should  not  exceed  15pF.  The  0Ω  resistors  should  be  added  in  series  between  the
module  and  the  (U)SIM  card  so  as  to  suppress  EMI  spurious  transmission  and  enhance  ESD
protection. The 33pF capacitors are used for filtering interference of EGSM900. Please note that the
(U)SIM peripheral circuit should be close to the (U)SIM card connector.



The pull-up resistor on USIM_DATA line can improve anti-jamming capability when long layout trace
and sensitive occasion are applied, and should be placed close to the (U)SIM card connector.

3.10.

USB Interface

EG95  contains  one  integrated  Universal  Serial  Bus  (USB)  interface  which  complies  with  the  USB  2.0
specification and supports high-speed (480Mbps) and full-speed (12Mbps) modes. The USB interface is
used  for  AT  command  communication,  data  transmission,  GNSS  NMEA  sentences  output,  software
debugging, firmware upgrade and voice over USB*. The following table shows the pin definition of USB
interface.

Table 10: Pin Definition of USB Interface

Pin Name

Pin No.

I/O

Description

Comment

USB_DP

9

IO

USB differential data bus (+)

Require differential
impedance of 90Ω.

USB_DM

10

IO

USB differential data bus (-)

Require differential
impedance of 90Ω.

USB_VBUS

8

PI

USB detection

Typically 5.0V

GND

3

Ground

More details about the USB 2.0 specifications, please visit http://www.usb.org/home.

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Содержание EG95-E

Страница 1: ...EG95 Hardware Design LTE Module Series Rev EG95_Hardware_Design_V1 2 Date 2018 03 14 Status Released www quectel com ...

Страница 2: ...IDED IS BASED UPON CUSTOMERS REQUIREMENTS QUECTEL MAKES EVERY EFFORT TO ENSURE THE QUALITY OF THE INFORMATION IT MAKES AVAILABLE QUECTEL DOES NOT MAKE ANY WARRANTY AS TO THE INFORMATION CONTAINED HEREIN AND DOES NOT ACCEPT ANY LIABILITY FOR ANY INJURY LOSS OR DAMAGE OF ANY KIND INCURRED BY USE OF OR RELIANCE UPON THE INFORMATION ALL INFORMATION SUPPLIED HEREIN IS SUBJECT TO CHANGE WITHOUT PRIOR NO...

Страница 3: ...onducted RF receiving sensitivity in Table 28 7 Updated the GPRS multi slot classes in Table 33 8 Added thermal consideration in Chapter 5 8 9 Added a GND pad in each of the four corners of the module s footprint in Chapter 6 2 10 Added packaging information in Chapter 7 3 1 2 2018 03 14 Felix YIN Rex WANG 1 Added the description of EG95 NA 2 Updated the functional diagram in Figure 1 3 Updated pi...

Страница 4: ...re Design EG95_Hardware_Design 3 81 9 Updated module operating frequencies in Table 22 10 Added description of GNSS antenna interface in Chapter 5 2 11 Updated antenna requirements in Table 25 12 Updated RF output power in Table 32 ...

Страница 5: ...on with USB Remote Wakeup Function 25 3 5 1 3 USB Application with USB Suspend Resume and RI Function 26 3 5 1 4 USB Application without USB Suspend Function 27 3 5 2 Airplane Mode 27 3 6 Power Supply 28 3 6 1 Power Supply Pins 28 3 6 2 Decrease Voltage Drop 29 3 6 3 Reference Design for Power Supply 30 3 6 4 Monitor the Power Supply 30 3 7 Turn on and off Scenarios 30 3 7 1 Turn on Module Using t...

Страница 6: ...r Antenna Installation 56 6 Electrical Reliability and Radio Characteristics 58 6 1 Absolute Maximum Ratings 58 6 2 Power Supply Ratings 58 6 3 Operation and Storage Temperatures 59 6 4 Current Consumption 60 6 5 RF Output Power 63 6 6 RF Receiving Sensitivity 64 6 7 Electrostatic Discharge 65 6 8 Thermal Consideration 66 7 Mechanical Dimensions 68 7 1 Mechanical Dimensions of the Module 68 7 2 Re...

Страница 7: ...E OF THE NETWORK STATUS INDICATOR 46 TABLE 18 PIN DEFINITION OF STATUS 46 TABLE 19 DEFAULT BEHAVIORS OF RI 47 TABLE 20 GNSS PERFORMANCE 48 TABLE 21 PIN DEFINITION OF RF ANTENNA 50 TABLE 22 MODULE OPERATING FREQUENCIES 50 TABLE 23 PIN DEFINITION OF GNSS ANTENNA INTERFACE 54 TABLE 24 GNSS FREQUENCY 54 TABLE 25 ANTENNA REQUIREMENTS 55 TABLE 26 ABSOLUTE MAXIMUM RATINGS 58 TABLE 27 POWER SUPPLY RATINGS...

Страница 8: ...NTERFACE WITH A 6 PIN U SIM CARD CONNECTOR36 FIGURE 19 REFERENCE CIRCUIT OF U SIM2 INTERFACE WITH AN 8 PIN U SIM CARD CONNECTOR 37 FIGURE 20 REFERENCE CIRCUIT OF U SIM2 INTERFACE WITH A 6 PIN U SIM CARD CONNECTOR37 FIGURE 21 REFERENCE CIRCUIT OF USB INTERFACE 39 FIGURE 22 REFERENCE CIRCUIT WITH TRANSLATOR CHIP 41 FIGURE 23 REFERENCE CIRCUIT WITH TRANSISTOR CIRCUIT 42 FIGURE 24 PRIMARY MODE TIMING ...

Страница 9: ...FIGURE 40 REFERENCED HEATSINK DESIGN HEATSINK AT THE BOTTOM OF CUSTOMERS PCB 67 FIGURE 41 MODULE TOP AND SIDE DIMENSIONS 68 FIGURE 42 MODULE BOTTOM DIMENSIONS TOP VIEW 69 FIGURE 43 RECOMMENDED FOOTPRINT TOP VIEW 70 FIGURE 44 TOP VIEW OF THE MODULE 71 FIGURE 45 BOTTOM VIEW OF THE MODULE 71 FIGURE 46 REFLOW SOLDERING THERMAL PROFILE 73 FIGURE 47 TAPE DIMENSIONS 74 FIGURE 48 REEL DIMENSIONS 74 ...

Страница 10: ...dware interface which are connected with customers applications This document can help customers quickly understand module interface specifications electrical and mechanical details as well as other related information of EG95 module Associated with application note and user guide customers can use EG95 module to design and set up mobile applications easily ...

Страница 11: ...ing the aircraft if your device offers an Airplane Mode which must be enabled prior to boarding an aircraft Switch off your wireless device when in hospitals clinics or other health care facilities These requests are designed to prevent possible interference with sensitive medical equipment Cellular terminals or mobiles operating over radio frequency signal and cellular network cannot be guarantee...

Страница 12: ...ns while Data only version only supports data function 2 2 GNSS function is optional 3 means under development With a compact profile of 29 0mm 25 0mm 2 25mm EG95 can meet almost all requirements for M2M applications such as automotive smart metering tracking system security router wireless POS mobile computing device PDA phone tablet PC etc EG95 is an SMD type module which can be embedded into ap...

Страница 13: ...ps DL 50Mbps UL UMTS Features Support 3GPP R8 DC HSDPA HSPA HSDPA HSUPA and WCDMA Support QPSK 16 QAM and 64 QAM modulation DC HSDPA Max 42Mbps DL HSUPA Max 5 76Mbps UL WCDMA Max 384Kbps DL 384Kbps UL GSM Features R99 CSD 9 6kbps GPRS Support GPRS multi slot class 33 Coding scheme CS 1 CS 2 CS 3 and CS 4 Max 107Kbps DL Max 85 6Kbps UL EDGE Support EDGE multi slot class 33 Support GMSK and 8 PSK fo...

Страница 14: ...munication data transmission GNSS NMEA sentences output software debugging firmware upgrade and voice over USB Support USB serial drivers for Windows XP Windows Vista Windows 7 8 8 1 10 Windows CE 5 0 6 0 7 0 Linux 2 6 3 x 4 1 4 14 Android 4 x 5 x 6 0 7 x UART Interface Main UART Used for AT command communication and data transmission Baud rate reach up to 921600bps 115200bps by default Support RT...

Страница 15: ...emperature range the module remains the ability to establish and maintain a voice SMS data transmission emergency call etc There is no unrecoverable malfunction There are also no effects on radio spectrum and no harm to radio network Only one or more parameters like Pout might reduce in their value and exceed the specified tolerances When the temperature returns to normal operating temperature lev...

Страница 16: ... STATUS GPIOs Control IQ Control Duplexer SAW Tx PRx DRx U SIM2 SPI U SIM1 SAW LNA ANT_GNSS1 SAW GPS Figure 1 Functional Diagram 1 GNSS antenna interface is only supported on EG95 NA 2 4 Evaluation Board In order to help customers develop applications conveniently with EG95 Quectel supplies an evaluation board EVB USB data cable earphone antenna and other peripherals to control or test the module ...

Страница 17: ...with 62 pin 1 1mm pitch SMT pads plus 44 pin ground reserved pads that can be connected to customers cellular application platforms Sub interfaces included in these pads are described in detail in the following chapters Power supply U SIM interfaces USB interface UART interfaces PCM and I2C interfaces SPI interface Status indication ...

Страница 18: ... RI DCD CTS TXD RXD VBAT_BB VBAT_BB USIM_GND GND RESERVED EG95 E 31 30 29 28 27 26 23 22 21 20 19 10 9 USB_DP USB_VBUS RESERVED GND RESERVED RESERVED RTS I2C_SCL I2C_SDA 8 49 48 47 46 45 44 43 40 41 42 39 38 37 36 35 34 33 32 24 57 56 GND GND ANT_MAIN GND GND RESERVED VBAT_RF VBAT_RF GND GND ANT_DIV EG95 E RESERVED GND USIM1_PRESENCE 63 64 65 66 67 68 83 84 85 86 87 88 98 97 96 95 94 93 78 77 76 7...

Страница 19: ...definition and description of EG95 Table 3 IO Parameters Definition Type Description IO Bidirectional DI Digital input DO Digital output PI Power input PO Power output AI Analog input AO Analog output OD Open drain Table 4 Pin Description Power Supply Pin Name Pin No I O Description DC Characteristics Comment VBAT_BB 32 33 PI Power supply for module s baseband part Vmax 4 3V Vmin 3 3V Vnorm 3 8V I...

Страница 20: ... module VIHmax 2 1V VIHmin 1 3V VILmax 0 5V Status Indication Pin Name Pin No I O Description DC Characteristics Comment STATUS 20 DO Indicate the module s operation status VOin 1 35V VOLmax 0 45V 1 8V power domain If unused keep this pin open NETLIGHT 21 DO Indicate the module d network activity status VOin 1 35V VOLmax 0 45V 1 8V power domain If unused keep it open USB Interface Pin Name Pin No ...

Страница 21: ...5 IO Data signal of U SIM card For 1 8V U SIM VILmax 0 6V VIHmin 1 2V VOLmax 0 45V VOin 1 35V For 3 0V U SIM VILmax 1 0V VIHmin 1 95V VOLmax 0 45V VOin 2 55V USIM2_DATA 86 USIM1_CLK 46 DO Clock signal of U SIM card For 1 8V U SIM VOLmax 0 45V VOin 1 35V For 3 0V U SIM VOLmax 0 45V VOin 2 55V USIM2_CLK 84 USIM1_RST 44 DO Reset signal of U SIM card For 1 8V U SIM VOLmax 0 45V VOin 1 35V For 3 0V U S...

Страница 22: ... DI Data terminal ready Sleep mode control VILmin 0 3V VILmax 0 6V VIHmin 1 2V VIHmax 2 0V 1 8V power domain Pull up by default Low level wakes up the module If unused keep it open TXD 35 DO Transmit data VOLmax 0 45V VOin 1 35V 1 8V power domain If unused keep it open RXD 34 DI Receive data VILmin 0 3V VILmax 0 6V VIHmin 1 2V VIHmax 2 0V 1 8V power domain If unused keep it open Debug UART Interfa...

Страница 23: ...ILmax 0 6V VIHmin 1 2V VIHmax 2 0V 1 8V power domain In master mode it is an output signal In slave mode it is an input signal If unused keep it open I2C Interface Pin Name Pin No I O Description DC Characteristics Comment I2C_SCL 40 OD I2C serial clock Used for external codec An external pull up resistor is required 1 8V only If unused keep it open I2C_SDA 41 OD I2C serial data Used for external ...

Страница 24: ...6 EG95 NA AI Receive diversity antenna pad 50Ω impedance If unused keep it open Pin 56 is reserved on EG95 E ANT_MAIN 60 IO Main antenna pad Other Pins Pin Name Pin No I O Description DC Characteristics Comment CLK_OUT 25 DI Clock output Provide a digital clock output for an external audio codec If unused keep this pin open AP_READY 19 DI Application processor sleep state detection VILmin 0 3V VIL...

Страница 25: ...ll be invalid Airplane Mode AT CFUN command or W_DISABLE pin can set the module to airplane mode In this case RF function will be invalid Sleep Mode In this mode the current consumption of the module will be reduced to the minimal level During this mode the module can still receive paging message SMS voice call and TCP UDP data from the network normally Power Down Mode In this mode the power manag...

Страница 26: ...p the module When EG95 has a URC to report RI signal will wake up the host Refer to Chapter 3 16 for details about RI behavior AP_READY will detect the sleep state of host can be configured to high level or low level detection Please refer to AT QCFG apready command for details means under development 3 5 1 2 USB Application with USB Remote Wakeup Function If the host supports USB suspend resume a...

Страница 27: ... Application with USB Suspend Resume and RI Function If the host supports USB suspend resume but does not support remote wake up function the RI signal is needed to wake up the host There are three preconditions to let the module enter into the sleep mode Execute AT QSCLK 1 command to enable sleep mode Ensure the DTR is held at high level or keep it open The host s USB bus which is connected with ...

Страница 28: ...en the module and the host USB_VBUS USB_DP USB_DM AP_READY VDD USB_DP USB_DM GPIO Module Host RI EINT Power Switch GPIO GND GND Figure 6 Sleep Mode Application without Suspend Function Switching on the power switch to supply power to USB_VBUS will wake up the module Please pay attention to the level match shown in dotted line between the module and the host Refer to document 1 for more details abo...

Страница 29: ...nder development 2 The execution of AT CFUN command will not affect GNSS function 3 6 Power Supply 3 6 1 Power Supply Pins EG95 provides four VBAT pins for connection with an external power supply There are two separate voltage domains for VBAT Two VBAT_RF pins for module s RF part Two VBAT_BB pins for module s baseband part The following table shows the details of VBAT pins and ground pins Table ...

Страница 30: ...d due to its ultra low ESR It is recommended to use three ceramic capacitors 100nF 33pF 10pF for composing the MLCC array and place these capacitors close to VBAT_BB VBAT_RF pins The main power supply from an external application has to be a single voltage source and can be expanded to two sub paths with star structure The width of VBAT_BB trace should be no less than 1mm and the width of VBAT_RF ...

Страница 31: ...y The following figure shows a reference design for 5V input power source The typical output of the power supply is about 3 8V and the maximum load current is 3A DC_IN MIC29302WU IN OUT EN GND ADJ 2 4 1 3 5 VBAT 100nF 470uF 100nF 100K 47K 470uF 470R 51K 1 1 4 7K 47K VBAT_EN Figure 9 Reference Circuit of Power Supply In order to avoid damaging internal flash please do not switch off the power suppl...

Страница 32: ...commended to use an open drain collector driver to control the PWRKEY After STATUS pin outputting a high level PWRKEY pin can be released A simple reference circuit is illustrated in the following figure Turn on pulse PWRKEY 4 7K 47K 500ms Figure 10 Turn on the Module Using Driving Circuit Another way to control the PWRKEY is using a button directly When pressing the key electrostatic strike may g...

Страница 33: ...WRKEY pin The time between them is no less than 30ms 3 7 2 Turn off Module Either of the following methods can be used to turn off the module Normal power down procedure Turn off the module using the PWRKEY pin Normal power down procedure Turn off the module using AT QPOWD command 3 7 2 1 Turn off Module Using the PWRKEY Pin Driving the PWRKEY pin to a low level voltage for at least 650ms the modu...

Страница 34: ... document 2 for details about the AT QPOWD command In order to avoid damaging internal flash please do not switch off the power supply when the module works normally Only after the module is shut down by PWRKEY or AT command the power supply can be cut off 3 8 Reset the Module The RESET_N pin can be used to reset the module The module can be reset by driving RESET_N to a low level voltage for 150m...

Страница 35: ...o control the RESET_N Reset pulse RESET_N 4 7K 47K 150ms 460ms Figure 14 Reference Circuit of RESET_N by Using Driving Circuit RESET_N S2 Close to S2 TVS Figure 15 Reference Circuit of RESET_N by Using Button The reset scenario is illustrated in the following figure VIL 0 5V VIH 1 3V VBAT 150ms Resetting Module Status Running RESET_N Restart 460ms Figure 16 Timing of Resetting Module ...

Страница 36: ...s are supported Table 9 Pin Definition of U SIM Interfaces Pin Name Pin No I O Description Comment USIM1_VDD 43 PO Power supply for U SIM1 card Either 1 8V or 3 0V is supported by the module automatically USIM1_DATA 45 IO Data signal of U SIM1 card USIM1_CLK 46 DO Clock signal of U SIM1 card USIM1_RST 44 DO Reset signal of U SIM1 card USIM1_ PRESENCE 42 DI U SIM1 card insertion detection USIM_GND ...

Страница 37: ..._DATA USIM1_PRESENCE 0R 0R 0R VDD_EXT 51K 100nF U SIM Card Connector GND GND 33pF 33pF 33pF VCC RST CLK IO VPP GND GND USIM1_VDD 15K Figure 17 Reference Circuit of U SIM1 Interface with an 8 Pin U SIM Card Connector If U SIM1 card detection function is not needed please keep USIM1_PRESENCE unconnected A reference circuit of U SIM1 interface with a 6 pin U SIM card connector is illustrated in the f...

Страница 38: ...GND USIM2_VDD 15K Figure 19 Reference Circuit of U SIM2 Interface with an 8 Pin U SIM Card Connector If U SIM2 card detection function is not needed please keep USIM2_PRESENCE unconnected A reference circuit of U SIM2 interface with a 6 pin U SIM card connector is illustrated in the following figure Module USIM2_VDD USIM_GND USIM2_RST USIM2_CLK USIM2_DATA 0R 0R 0R 100nF U SIM Card Connector GND 33...

Страница 39: ...nsmission and enhance ESD protection The 33pF capacitors are used for filtering interference of EGSM900 Please note that the U SIM peripheral circuit should be close to the U SIM card connector The pull up resistor on USIM_DATA line can improve anti jamming capability when long layout trace and sensitive occasion are applied and should be placed close to the U SIM card connector 3 10 USB Interface...

Страница 40: ...L1 R3 R4 components must be placed close to the module and also these resistors should be placed close to each other The extra stubs of trace must be as short as possible The following principles should be complied with when design the USB interface so as to meet USB 2 0 specification It is important to route the USB signal traces as differential pairs with total grounding The impedance of USB dif...

Страница 41: ...unication The debug UART interface supports 115200bps baud rate It is used for Linux console and log output The following tables show the pin definition of the two UART interfaces Table 11 Pin Definition of Main UART Interface Pin Name Pin No I O Description Comment RI 39 DO Ring indicator 1 8V power domain DCD 38 DO Data carrier detection CTS 36 DO Clear to send RTS 37 DI Request to send DTR 30 D...

Страница 42: ...ents is recommended The following figure shows a reference design VCCA VCCB OE A1 A2 A3 A4 A5 A6 A7 A8 GND B1 B2 B3 B4 B5 B6 B7 B8 VDD_EXT RI DCD RTS RXD DTR CTS TXD 51K 51K 0 1uF 0 1uF RI_MCU DCD_MCU RTS_MCU RXD_MCU DTR_MCU CTS_MCU TXD_MCU VDD_MCU Translator Figure 22 Reference Circuit with Translator Chip Please visit http www ti com for more information Another example with transistor translati...

Страница 43: ...rks as master only In primary mode the data is sampled on the falling edge of the PCM_CLK and transmitted on the rising edge The PCM_SYNC falling edge represents the MSB In this mode the PCM interface supports 256kHz 512kHz 1024kHz or 2048kHz PCM_CLK at 8kHz PCM_SYNC and also supports 4096kHz PCM_CLK at 16kHz PCM_SYNC In auxiliary mode the data is also sampled on the falling edge of the PCM_CLK an...

Страница 44: ... MSB LSB MSB 125us 1 2 256 255 PCM_DIN MSB LSB MSB Figure 24 Primary Mode Timing PCM_CLK PCM_SYNC PCM_DOUT MSB LSB PCM_DIN 125us MSB 1 2 32 31 LSB Figure 25 Auxiliary Mode Timing The following table shows the pin definition of PCM and I2C interfaces which can be applied on audio codec design ...

Страница 45: ... up to 1 8V Clock and mode can be configured by AT command and the default configuration is master mode using short frame synchronization format with 2048KHz PCM_CLK and 8KHz PCM_SYNC Please refer to document 2 about AT QDAI command for details The following figure shows a reference design of PCM interface with external codec IC PCM_DIN PCM_DOUT PCM_SYNC PCM_CLK I2C_SCL I2C_SDA Module 1 8V 4 7K 4 ...

Страница 46: ...t SPI_CLK 26 DO Clock signal of SPI interface 1 8V power domain SPI_MOSI 27 DO Master output slave input of SPI interface 1 8V power domain SPI_MISO 28 DI Master input slave output of SPI interface 1 8V power domain The following figure shows a reference design of SPI interface with peripherals SPI_MISO SPI_MOSI SPI_CLK Module SPI_CLK SPI_MISO SPI_MOSI Peripherals Figure 27 Reference Circuit of SP...

Страница 47: ...Flicker slowly 1800ms High 200ms Low Idle Flicker quickly 125ms High 125ms Low Data transfer is ongoing Always High Voice calling A reference circuit is shown in the following figure 4 7K 47K VBAT 2 2K Module NETLIGHT Figure 28 Reference Circuit of the Network Status Indicator 3 15 STATUS The STATUS pin is set as the module status indicator It will output high level when the module is powered on T...

Страница 48: ... trigger the behavior of RI pin URC can be outputted from UART port USB AT port and USB modem port through configuration via AT QURCCFG command The default port is USB AT port In addition RI behavior can be configured flexibly The default behaviors of the RI are shown as below Table 19 Default Behaviors of RI State Response Idle RI keeps at high level URC RI outputs 120ms low pulse when a new URC ...

Страница 49: ...ult By default EG95 GNSS engine is switched off It has to be switched on via AT command For more details about GNSS engine technology and configurations please refer to document 3 4 2 GNSS Performance The following table shows GNSS performance of EG95 Table 20 GNSS Performance Parameter Description Conditions Typ Unit Sensitivity GNSS Cold start Autonomous TBD dBm Reacquisition Autonomous TBD dBm ...

Страница 50: ...t the antenna port on which the module fixes position within 3 minutes after executing cold start command 4 3 Layout Guidelines The following layout guidelines should be taken into account in customers design Maximize the distance among GNSS antenna main antenna and Rx diversity antenna Digital circuits such as U SIM card USB interface camera module and display connector should be kept away from t...

Страница 51: ...aces 5 1 1 Pin Definition The pin definition of main antenna and Rx diversity antenna interfaces is shown below Table 21 Pin Definition of RF Antenna Pin Name Pin No I O Description Comment ANT_MAIN 60 IO Main antenna pad 50Ω impedance ANT_DIV EG95 E 49 AI Receive diversity antenna pad 50Ω impedance ANT_DIV EG95 NA 56 AI Receive diversity antenna pad 50Ω impedance 5 1 2 Operating Frequency Table 2...

Страница 52: ...E FDD B8 880 915 925 960 MHz LTE FDD B12 699 716 729 746 MHz LTE FDD B13 777 787 746 756 MHz LTE FDD B20 832 862 791 821 MHz LTE FDD B28A 703 733 758 788 MHz 5 1 3 Reference Design of RF Antenna Interface A reference design of ANT_MAIN and ANT_DIV antenna pads is shown as below A π type matching circuit should be reserved for better RF performance The capacitors are not mounted by default ANT_MAIN...

Страница 53: ... s PCB the characteristic impedance of all RF traces should be controlled as 50Ω The impedance of the RF traces is usually determined by the trace width W the materials dielectric constant the distance between signal layer and reference ground H and the clearance between RF trace and ground S Microstrip line or coplanar waveguide line is typically used in RF layout for characteristic impedance con...

Страница 54: ...pins should not be designed as thermal relief pads and should be fully connected to ground The distance between the RF pins and the RF connector should be as short as possible and all the right angle traces should be changed to curved ones There should be clearance area under the signal pin of the antenna connector or solder joint The reference ground of RF traces should be complete Meanwhile addi...

Страница 55: ...ment ANT_GNSS EG95 NA 49 AI GNSS antenna 50Ω impedance Table 24 GNSS Frequency Type Frequency Unit GPS Galileo QZSS 1575 42 1 023 MHz GLONASS 1597 5 1605 8 MHz BeiDou 1561 098 2 046 MHz A reference design of GNSS antenna is shown as below GNSS Antenna VDD Module ANT_GNSS 47nH 10R 0 1uF 0R NM NM 100pF Figure 35 Reference Circuit of GNSS Antenna 1 An external LDO can be selected to supply power acco...

Страница 56: ...sive antenna gain 0dBi Active antenna noise figure 1 5dB Active antenna gain 0dBi Active antenna embedded LNA gain 17dB GSM WCDMA LTE VSWR 2 Efficiency 30 Max Input Power 50 W Input Impedance 50Ω Cable insertion loss 1dB EGSM900 WCDMA B5 B8 LTE B5 B8 B12 B13 B20 B28A Cable Insertion Loss 1 5dB DCS1800 WCDMA B1 B2 B4 LTE B1 B2 B3 B4 Cable insertion loss 2dB LTE B7 1 It is recommended to use a passi...

Страница 57: ...allation If RF connector is used for antenna connection it is recommended to use U FL R SMT connector provided by HIROSE Figure 36 Dimensions of the U FL R SMT Connector Unit mm U FL LP serial connectors listed in the following figure can be used to match the U FL R SMT Figure 37 Mechanicals of U FL LP Connectors ...

Страница 58: ...es EG95 Hardware Design EG95_Hardware_Design 57 81 The following figure describes the space factor of mated connector Figure 38 Space Factor of Mated Connector Unit mm For more details please visit http www hirose com ...

Страница 59: ...isted in the following table Table 26 Absolute Maximum Ratings Parameter Min Max Unit VBAT_RF VBAT_BB 0 3 4 7 V USB_VBUS 0 3 5 5 V Peak Current of VBAT_BB 0 0 8 A Peak Current of VBAT_RF 0 1 8 A Voltage at Digital Pins 0 3 2 3 V 6 2 Power Supply Ratings Table 27 Power Supply Ratings Parameter Description Conditions Min Typ Max Unit VBAT VBAT_BB and VBAT_RF The actual input voltages must stay betwe...

Страница 60: ... Max Unit Operation Temperature Range 1 35 25 75 ºC Extended Temperature Range 2 40 85 ºC Storage Temperature Range 40 90 ºC 1 1 Within operation temperature range the module is 3GPP compliant 2 2 Within extended temperature range the module remains the ability to establish and maintain a voice SMS data transmission emergency call etc There is no unrecoverable malfunction There are also no effects...

Страница 61: ...B disconnected 1 6 mA WCDMA PF 64 USB disconnected 1 8 mA WCDMA PF 64 USB suspend 2 1 mA WCDMA PF 512 USB disconnected 1 3 mA LTE FDD PF 64 USB disconnected 2 3 mA LTE FDD PF 64 USB suspend 2 6 mA LTE FDD PF 256 USB disconnected 1 5 mA Idle state GSM DRX 5 USB disconnected 21 0 mA GSM DRX 5 USB connected 31 0 mA WCDMA PF 64 USB disconnected 21 0 mA WCDMA PF 64 USB connected 31 0 mA LTE FDD PF 64 U...

Страница 62: ... PCL 8 26 54dBm 492 mA DCS1800 4DL 1UL PCL 2 25 66dBm 169 mA DCS1800 3DL 2UL PCL 2 25 59dBm 256 mA DCS1800 2DL 3UL PCL 2 25 51dBm 341 mA DCS1800 1DL 4UL PCL 2 25 38dBm 432 mA WCDMA data transfer WCDMA B1 HSDPA 22 48dBm 586 mA WCDMA B1 HSUPA 22 29dBm 591 mA WCDMA B8 HSDPA 22 24dBm 498 mA WCDMA B8 HSUPA 21 99dBm 511 mA LTE data transfer LTE FDD B1 23 37dBm 736 mA LTE FDD B3 22 97dBm 710 mA LTE FDD B...

Страница 63: ...A PF 512 USB disconnected TBD mA LTE FDD PF 64 USB disconnected TBD mA LTE FDD PF 64 USB suspend TBD mA LTE FDD PF 256 USB disconnected TBD mA Idle state WCDMA PF 64 USB disconnected TBD mA WCDMA PF 64 USB connected TBD mA LTE FDD PF 64 USB disconnected TBD mA LTE FDD PF 64 USB connected TBD mA WCDMA data transfer WCDMA B2 HSDPA TBD dBm TBD mA WCDMA B2 HSUPA TBD dBm TBD mA WCDMA B4 HSDPA TBD dBm T...

Страница 64: ...lowing table shows the RF output power of EG95 module Table 32 RF Output Power Frequency Max Min EGSM900 33dBm 2dB 5dBm 5dB DCS1800 30dBm 2dB 0dBm 5dB EGSM900 8 PSK 27dBm 3dB 5dBm 5dB DCS1800 8 PSK 26dBm 3dB 0dBm 5dB WCDMA B1 B2 B4 B5 B8 24dBm 1 3dB 49dBm Parameter Description Conditions Typ Unit IVBAT GNSS Searching AT CFUN 0 Cold start Passive Antenna TBD mA Lost state Passive Antenna TBD mA Tra...

Страница 65: ...F receiving sensitivity of EG95 module Table 33 EG95 E Conducted RF Receiving Sensitivity Frequency Primary Diversity SIMO 3GPP EGSM900 108 6dBm NA NA 102dBm DCS1800 109 4 dBm NA NA 102dbm WCDMA B1 109 5dBm 110dBm 112 5dBm 106 7dBm WCDMA B8 109 5dBm 110dBm 112 5dBm 103 7dBm LTE FDD B1 10M 97 5dBm 98 3dBm 101 4dBm 96 3dBm LTE FDD B3 10M 98 3dBm 98 5dBm 101 5dBm 93 3dBm LTE FDD B7 10M 96 3dBm 98 4dB...

Страница 66: ...dBm 6 7 Electrostatic Discharge The module is not protected against electrostatic discharge ESD in general Consequently it is subject to ESD handling precautions that typically apply to ESD sensitive components Proper ESD handling and packaging procedures must be applied throughout the processing handling and operation of any application that incorporates the module The following table shows the m...

Страница 67: ...complete and add ground vias as many as possible for better heat dissipation Make sure the ground pads of the module and PCB are fully connected According to customers application demands the heatsink can be mounted on the top of the module or the opposite side of the PCB area where the module is mounted or both of them The heatsink should be designed with as many fins as possible to increase heat...

Страница 68: ...chip reaches or exceeds 105 C the module works normal but provides reduced performance such as RF output power data rate etc When the maximum BB chip temperature reaches or exceeds 115 C the module will disconnect from the network and it will recover to network connected state after the maximum temperature falls below 115 C Therefore the thermal design should be maximally optimized to make sure th...

Страница 69: ... Dimensions This chapter describes the mechanical dimensions of the module All dimensions are measured in mm The tolerances for dimensions without tolerance values are 0 05mm 7 1 Mechanical Dimensions of the Module 25 0 15 29 0 15 2 25 0 2 Figure 41 Module Top and Side Dimensions ...

Страница 70: ...LTE Module Series EG95 Hardware Design EG95_Hardware_Design 69 81 Figure 42 Module Bottom Dimensions Top View ...

Страница 71: ...ardware Design EG95_Hardware_Design 70 81 7 2 Recommended Footprint Figure 43 Recommended Footprint Top View For easy maintenance of the module please keep about 3mm between the module and other components in the host PCB NOTE ...

Страница 72: ...Design 71 81 7 3 Design Effect Drawings of the Module Figure 44 Top View of the Module Figure 45 Bottom View of the Module These are design effect drawings of EG95 module For more accurate pictures please refer to the module that you get from Quectel NOTE ...

Страница 73: ...ronment of 30º C 60 RH Stored at 10 RH 3 Devices require baking before mounting if any circumstance below occurs When the ambient temperature is 23º C 5º C and the humidity indication card shows the humidity is 10 before opening the vacuum sealed bag Device mounting cannot be finished within 168 hours at factory conditions of 30º C 60 RH 4 If baking is required devices may be baked for 8 hours at ...

Страница 74: ...ommended to be 0 18mm For more details please refer to document 3 It is suggested that the peak reflow temperature is 235ºC 245ºC for SnAg3 0Cu0 5 alloy The absolute maximum reflow temperature is 260ºC To avoid damage to the module caused by repeated heating it is suggested that the module should be mounted after reflow soldering for the other side of PCB has been completed Recommended reflow sold...

Страница 75: ...ected The bag should not be opened until the devices are ready to be soldered onto the application The reel is 330mm in diameter and each reel contains 250pcs modules The following figures show the packaging details measured in mm Figure 47 Tape Dimensions Direction of feed Cover tape 13 100 44 5 0 20 0 00 48 5 Figure 48 Reel Dimensions ...

Страница 76: ...ds Manual for EG95 and EG91 3 Quectel_Module_Secondary_SMT_User_Guide Module Secondary SMT User Guide 4 Quectel_RF_Layout_Application_Note RF Layout Application Note Table 37 Terms and Abbreviations Abbreviation Description AMR Adaptive Multi rate bps Bits Per Second CHAP Challenge Handshake Authentication Protocol CS Coding Scheme CSD Circuit Switched Data CTS Clear To Send DC HSPA Dual carrier H...

Страница 77: ...s HSDPA High Speed Downlink Packet Access HSUPA High Speed Uplink Packet Access I O Input Output Inorm Normal Current LED Light Emitting Diode LNA Low Noise Amplifier LTE Long Term Evolution MIMO Multiple Input Multiple Output MO Mobile Originated MS Mobile Station GSM engine MT Mobile Terminated PAP Password Authentication Protocol PCB Printed Circuit Board PDU Protocol Data Unit PPP Point to Poi...

Страница 78: ... Normal Voltage Value Vmin Minimum Voltage Value VIHmax Maximum Input High Level Voltage Value VIHmin Minimum Input High Level Voltage Value VILmax Maximum Input Low Level Voltage Value VILmin Minimum Input Low Level Voltage Value VImax Absolute Maximum Input Voltage Value VImin Absolute Minimum Input Voltage Value VOax Maximum Output High Level Voltage Value VOin Minimum Output High Level Voltage...

Страница 79: ...mes Table 38 Description of Different Coding Schemes Scheme CS 1 CS 2 CS 3 CS 4 Code Rate 1 2 2 3 3 4 1 USF 3 3 3 3 Pre coded USF 3 6 6 12 Radio Block excl USF and BCS 181 268 312 428 BCS 40 16 16 16 Tail 4 4 4 Coded Bits 456 588 676 456 Punctured Bits 0 132 220 Data Rate Kb s 9 05 13 4 15 6 21 4 ...

Страница 80: ...e first number indicates the amount of downlink timeslots while the second number indicates the amount of uplink timeslots The active slots determine the total number of slots the GPRS device can use simultaneously for both uplink and downlink communications The description of different multi slot classes is shown in the following table Table 39 GPRS Multi slot Classes Multislot Class Downlink Slo...

Страница 81: ...rdware Design EG95_Hardware_Design 80 81 15 5 5 NA 16 6 6 NA 17 7 7 NA 18 8 8 NA 19 6 2 NA 20 6 3 NA 21 6 4 NA 22 6 4 NA 23 6 6 NA 24 8 2 NA 25 8 3 NA 26 8 4 NA 27 8 4 NA 28 8 6 NA 29 8 8 NA 30 5 1 6 31 5 2 6 32 5 3 6 33 5 4 6 ...

Страница 82: ...SK 13 4kbps 26 8kbps 53 6kbps CS 3 GMSK 15 6kbps 31 2kbps 62 4kbps CS 4 GMSK 21 4kbps 42 8kbps 85 6kbps MCS 1 GMSK C 8 80kbps 17 60kbps 35 20kbps MCS 2 GMSK B 11 2kbps 22 4kbps 44 8kbps MCS 3 GMSK A 14 8kbps 29 6kbps 59 2kbps MCS 4 GMSK C 17 6kbps 35 2kbps 70 4kbps MCS 5 8 PSK B 22 4kbps 44 8kbps 89 6kbps MCS 6 8 PSK A 29 6kbps 59 2kbps 118 4kbps MCS 7 8 PSK B 44 8kbps 89 6kbps 179 2kbps MCS 8 8 P...

Страница 83: ...and must not transmit simultaneously with any other antenna or transmitter 3 A label with the following statements must be attached to the host end product This device contains FCC ID XMR201 0 E 1A 4 To comply with FCC regulations limiting both maximum RF output power and human exposure to RF radiation maximum antenna gain including cable loss must not exceed WCDMA LTE 4dBi 5 This module must not ...

Страница 84: ...the module s FCC ID is notvisible when installed in the host or 2 if the host is marketed so that end users do not havestraightforward commonly used methods for access to remove the module so that the FCC ID ofthe module is visible then an additional permanent label referring to the enclosed module Contains Transmitter Module FCC ID 05 1 or Contains FCC ID XMR201807EG95NA mustbe used The host OEM ...

Страница 85: ...esired operation Changes or modifications not expressly approved by the manufacturer could void the user s authority to operate the equipment To ensure compliance with all non transmitter functions the host manufacturer is responsible for ensuring compliance with the module s installed and fully operational For example if a host was previously authorized as an unintentional radiator under the Decl...

Страница 86: ...4A 2018EG95NA or where 10224A 2018EG95NA is the module s certification number Le produit hôte doit être correctement étiqueté pour identifier les modules dans le produit hôte L étiquette de certification d Innovation Sciences et Développement économique Canada d un module doit être clairement visible en tout temps lorsqu il est installé dans le produit hôte sinon le produit hôte doit porter une ét...

Страница 87: ...s to remove or install module The module is limited to OEM installation ONLY Une étiquette avec les instructions suivantes doit être attachée au produit final hôte Cet appareil contient IC 10224A 2018EG95NA Le manuel fournit des conseils au fabricant hôte sera inclus dans la documentation qui sera fournie à l OEM Le module est limité à l installation dans des applications mobiles ou fixes L approb...

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