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SL869V2 Family Product User Guide

1. 54 Si PEOTI Le a 249 293 0 L Operating Environmental TL 0 I I 57 2 SBEOrage Envir onien a Jod 99 646 6 ea be ede C os o l Sh959 V2 CE Declaration Of VCONTOPML CY sesa es ba he ees 0 rbidden without written authorization from Telit Communications S p A All Page 8 of 69 Figure 15 2 Figure 15 3 Figure 15 4 Equations Equation 10 Equation 10 Rights Reserved Telit SL869V2 Family Product User Guide LVVOUSOUTLLTS U Zola loi Sood V2 ReTIE Notified Body ODLXDIOBaa 356 ce mers 60 DOLOCI WS CE Declaro tion Of ORLOFI se 61 ohlob09 V29 ROTIE Notrirred Body Opin Ols mss xxx me a 62 Is MOSS BISOUS zs oo ne ee AS x oe Se ee WE EOS ee 41 Z Garriot TO Nalco BL Om amp 8 and ww dex XE Eu RW NX OXON Su 42 a Reproduction forbidden without written authorization from Telit Communications S p A All Page 9 of 69 Telit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi Introduction Scope This document provides hardware information and product features for the following modules e SL869 V2 GNSS receiver e SL869 V2S GPS receiver Contact Information and Support For general contact technical support to report documentation errors and to order manuals contact Telit Technical Support Center TTSC at TS EMEA Gtelit com TS AMERICAS Gtelit com TS APAC telit com Alternatively use http www telit com en products technical support
2. 25 lt Time 25 C to Peak Time gt IPC 0200 5 1 Figure 13 6 Temperature Profile Please note that the JEDEC document includes important information in addition to the above figure Reproduction forbidden without written authorization from Telit Communications S p A ALL Rights Reserved Page 55 of 69 13 6 13 7 13 8 Telit SL869V2 Family Product User Guide LVVOUJSOUTLLTS U Zola loi Assembly Considerations Since the module contains piezo electric components it should be placed near the end of the assembly process to minimize mechanical shock to it During board singulation pay careful attention to unwanted vibrations and resonances introduced into the board assembly by the board router Safety Improper handling and use of the receiver module can cause permanent damage There is also the possible risk of personal injury from mechanical trauma or choking hazard Disposal We recommend that this product should not be treated as household waste For more detailed information about recycling this product please contact your local waste management authority or the reseller from whom you purchased the product Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 56 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola 1 14 Environmental Requirements 14 1 Operating En
3. e Protect sensitive devices outside the EPA using ESD protective packaging All personnel handling ESDS devices have the responsibility to be aware of the ESD threat to the reliability of electronic products Further information can be obtained from the JEDEC standard JESD625 A Requirements for Handling Electrostatic Discharge Sensitive ESDS Devices which can be downloaded free of charge from www jedec org Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 54 of 609 13 9 Telit SL869V2 Family Product User Guide LVVOUJSOUTLLTS U Zola loi Reflow These receiver modules are compatible with lead free soldering processes as defined in IPC JEDEC J STD 020 The reflow process profile must not exceed the profile given in its Table 5 2 Classification Reflow Profiles Although the standard allows for three reflows the assembly process for the module uses one of those profiles Thus the module is limited to two reflows When reflowing a dual sided SMT board it is important to reflow the side containing the receiver module last This prevents heavier components within the module becoming dislodged if the solder reaches liquidus temperature while the module is inverted Note JEDEC standards are available for download without charge from the JEDEC website http www jedec org Supplier T T udi die UserTs T Supplier t Temperature
4. 540 0 5235 0500 29 notdtedbodyilrhnoenm temstiab de Figure 15 2 SL869 V2 R amp TTE Notified Body Opinion Yer Signed by Horst Oronari el hotlud Body PHOENX TESTLAB GmbH Kinizsi 10 0 328025 Biorrterg Gerrary www procen testan se Page 60 of 69 i OE E C Reproduction forbidden without written authorization from Telit Communications S p A Rights Reserved All I Reproduction forbidden without written authorization from Rights Reserved Page 61 of 69 SL869V2 Family Product User Guide LVVOSOTTITS rO Declaration of Conformity DoC We Telit Wireless Solution Co Ltd locatedath FL Shinyoung Securities Bid 6 GulkjegeumvunggroX dq Y eongdeengpa gu Seoul 150 8584 Korea declare under our sole responsibility that the product product name GPS module trade name Telit typc SLA69 V2S to which this declaration relates is in conformity with the essential requirements and other relevant requirements of the R amp TTE Directive 1999 5 EC The product is in conformity with the following standards and or other normative documents SAFETY Art X1Ya a EN 60950 1 2006 A11 2009 A1 2010 A12 2011 A2 2013 a EN 62479 2010 EMC Art 3 1l EN 301 488 1 V 1 9 2 2011 09 EN 301 489 3 V 1 6 1 2013 08 SPECTRUM An 325 BEN 300 440 V1 6 1 2010 08 SEN 300 440 2 V1 4 1 2010 08 Supplementary information Notified body involved PHO
5. E ri B P amp d i r D i s a z i o p s M a Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 44 of 69 Calculate new board thickness Telit SL869V2 Family Product User Guide LVVOUSOUTLLTS rU Zola toi Remove ground B0 t0 n We New Ground Elect Length 0 251 ja Ei Lengh BE egar v 1 0Wavelengih 3983956 m Vo 0507 fraction ol c Figure 10 5 Example of wider trace width achieved by moving ground plane Implications of the Pre select SAW Filter The SL869 V2 and V2S modules include a pre select SAW filter in front of the internal LNA Thus the RF input of the module is connected directly to the SAW filter Any circuit connected to the RF input pin would see a complex impedance presented by the SAW filter especially out of band rather than the relatively broad and flat return loss presented by an LNA Filter devices pass the desired in band signal resulting in low reflected energy good return loss and reject the out of band signals by reflecting it back to the input resulting in bad return loss If an external amplifier is to be used with the receiver the overall design should be checked for RF stability to prevent the external amplifier from oscillating Amplifiers that are unconditionally stable at the output will function correctl
6. Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 30 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 8 3 Power Supply The module has two power supply pins VCC IN and VBATT 8 3 1 VCC IN This is the main power input The supply voltage must be in the range 3 0 to 3 6 VDC When power is first applied the module will come up in full power continuous operation mode During operation the current drawn by the module can vary greatly especially if enabling low power operation modes The supply must be able to handle the current fluctuation including any inrush surge current GPS GNSS receiver modules require a clean and stable power supply In designing such a supply any resistance in the VCC IN line can negatively influence performance Consider the following points All supplies should be within the rated requirements At the module input use low ESR capacitors that can deliver the required current for switching from backup mode to normal operation Keep the rail short and away from any noisy data lines or switching supplies etc Wide power lines and power planes are preferred 8 3 2 VBATT The battery backup power input range is 3 0 to 3 6 VDC It is required for HOT W ARM starts which depend on retention of GPS data In case of a power failure on VCC_IN VBATT supplies power to the real time clock RTC and battery backed RAM BBRAM U
7. SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 5D 153 Sensitivity SL869 V2 Test Conditions In line LNA used with 1 dB noise figure NF and 20 dB gain NOTE The above performance values were achieved under ideal lab conditions using a GNSS Simulator Table 5 3 SL869 V2 Receiver Sensitivity 3 FPES a E 9 f f g i o C Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 24 of 609 lelit SL869V2 Family Product User Guide IVVOS0LILIS rU LL 5 2 Performance Specifications SL869 V2S 5 2 1 Position Accuracy SL869 V2S Horizontal Position Accuracy GPS Test Conditions 24 hr static 130 dBm Full Power Table 5 4 SL869 V2S Position Accuracy 5 2 2 Time to First Fix SL869 V2S Constellation Start Type Max TTFF Hot Warm Cold Test Conditions 130 dBm Full Power Table 5 5 SL869 V2S Time to First Fix Duli Sensitivity SL869 V2S Test Conditions In line LNA used with 1 dB noise figure NF and 20 dB gain NOTE The above performance values were achieved under ideal lab conditions using a GNSS simulator Table 5 6 SL869 V2S Sensitivity aoe 5 Reproduction forbidden without written authorization from Telit Communications S p A Rights Reserved Page 25 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 6 Software Interfac
8. V2S only The SL 869 V2S does not have flash memory However it can still make use of Assisted GPS If the system design includes a host processor it can access server generated data and send it to the SL869 V2S over the primary serial port which must be temporarily changed to binary mode This data is valid for six hours 4 4 SBAS The receiver is capable of using Satellite Based Augmentation System SBAS satellites as a source of both differential corrections and satellite range measurements These systems WAAS EGNOS GAGAN and MSAS use geostationary satellites to transmit regional differential corrections via a GNSS compatible signal The use of SBAS corrections can significantly improve position accuracy The SL869 V2 receiver is enabled for SBAS by default 4 5 Jamming Rejection Active Interference Cancellation AIC The receiver module detects tracks and removes narrow band interfering signals jamming signals without the need for external components or tuning It rejects up to 12 CW Continuous Wave type signals up to 50 dBm total power signal levels By default jamming rejection 1s enabled but can be disabled by command This feature is useful both in the design stage and during the production stage for uncovering issues related to unexpected jamming When enabled Jamming Rejection will increase current drain by about 1 mA and impact on GNSS performance is low at modest jamming levels However at high jamming levels
9. e g 90 to 80 dBm the RF signal sampling ADC starts to become saturated after which the GNSS signal levels start to diminish oe Zop N 5 ul gt P Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 18 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 4 6 Serial I O Port considerations The receiver module includes a full duplex Universal Asynchronous Receiver Transmitter UART serial interface that supports configurable baud rates The signal output and input levels are LVTTL compatible see Electrical Interface below Note that the idle state of the interface lines 1s logic high Care must be used to prevent backdriving the RX line when the module is powered down 4 7 Power Management Modes The receiver supports operational modes that allow it to provide positioning information at reduced overall current consumption Availability of GNSS signals in the operational environment will be a factor in choosing power management modes The designer can choose a mode that provides the best trade off of navigation performance versus power consumption The power management modes can be enabled by sending the desired command using the host serial port RX The following power management modes are described below Full Power Continuous Standby Periodic AlwaysLocate 4 7 1 Full Power Continuous Mode The
10. 40 dB greater than the noise floor measured in a one Hz bandwidth This is a standard method of measuring GNSS receiver performance The simplified formula is C No GNSS Signal level Thermal Noise System NF Equation 10 2 Carrier to Noise Ratio Thermal noise is 174 dBm Hz at 290K We can estimate a system noise figure of 4 dB for the SL869 V2 consisting of the pre select SAW filter loss the LNA noise figure and implementation losses within the digital signal processing unit The DSP noise is typically 1 0 to 1 5 dB However if a good quality external LNA is used the noise figure of that LNA typically better than 1dB could reduce the overall system noise figure from 4 dB to approximately 2 dB d f a i gt A A i t ae a p LA b Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 42 of 609 Telit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 10 7 RF Trace Losses RF Trace losses on a PCB are difficult to estimate without having appropriate tables or RF simulation software A good rule of thumb would be to keep the RF traces as short as possible make sure they are 50 ohm impedance and don t contain any sharp bends Incorrect avoid right angle Correct keep RF trace short and direct Figure 10 2 RF Trace Examples 10 8 PCB stack and Trace Impedance It is important to maintain a 50 o
11. 9 d o9 99 MW p Ru qr dae deve PS 58 jowl CE Declaration of Conformity amp Conformity Assessment 59 Le ls cw cage ee disc a ere douce ee aw mood a ce ol 63 16 Glossary and Acronyms 2c cee eee eee eee ee eens 64 17 Safety Recommendations ee tt ens 68 18 Document HISTOLY 2 4265 SEE ORDER OEE 0 ORE HES OEE OES ORS SD 69 2 n Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 7 of 69 Tables Table 2 Table 2 Table 5 Table 5 Table 5 Table 5 Table 5 Table 5 Table 8 Table 8 Table 8 Table 8 Table 8 Table 8 Table 8 Table 8 Table 1 1 2 1 3 4 B 6 1 2 3 4 5 6 7 8 Deut Figures Figure 2 Figure 2 Figure 3 9 1 1 VO Es Figure Figure Figure Figure 10 Figure 10 Figure 10 ground pla Figure 11 Figure 12 Figure 13 Figure 13 Figure 13 Figure 13 Figure 13 Figure 13 Figure 14 Figure 14 Fig re l5 js Ds Reproduction fo Rights Reserved lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi pn We Product Ont Uta ONIS eue wx eed 5 oe X oe 14 JNO 95959 and SBO69 VZ Compatibility 2 4 Xu 15 A PO Oa OE eeen eer eer 2 SE WZ Tae O TT e e eeraa 19 8918 929 08 08 0e 8 2 LOO VA DheocSTUST mols ee ow 528 oe oe mari dr oe SS 24 SLOGI WO A Ee 25 BOOT WE Ime WO T e ar cease a a 4 25 0 WS a a Ia aena arar 25 DOL
12. Gold ENIG finish It has a tin plated shield and 24 interface pads with castellated edge contacts Notes 1 Interpret this drawing per ASME Y14 5 2009 2 Al dimensions are in millimeters 3 Critical dimensions are indicated by the symbol Figure 11 1 SL869 V2 and SL869 V2S Mechanical Drawing E ff 4 Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 48 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 12 PCB Footprint The PCB footprint on the PC board should match the module pad design shown below The solder mask opening is generally determined by the component geometry of other parts on the board and can be followed here Figure 12 1 SL869 V2 and SL869 V2S PCB Footprint Reproduction forbidden without written authorization from Telit Communications S p A Rights Reserved Page 49 of 69 All Telit SL869V2 Family Product User Guide LOIS rU Zola loi 13 Product Packaging and Handling 13 1 Product Marking and Serialization The SL869 V2 and SL869 V2S modules have a 2D barcode label identifying both the product SL869 V2 or SL869 V2S and its serial number The label format is as follows Wo mem 0 Table 13 1 Product Label Format PIN 1 indicator Device End Figure 13 1 Product Marking F M E Reproduction forbidden without written autho
13. Telit Communications S p A ALL Rights Reserved Page 59 of 69 SL869V2 Family Product User Guide Za dy LVVOSOITIJS 30 E y EXP f PICENO TESTLAE ertise Expert Opinion of the Notified Body on the Conformity Assessment according to Article 10 5 of RATTE Directive 1999 5 EC PHOENIX TESTLAB EU identification Number 0700 Aetog teed by Expertise No Certificate Holder Address Product Description Brand Name Model Name Opinion on the Essential Requirements Article 3 1a Health and Safety Article 3 1b Electromagnetic Compatibility Article 3 2 Effective Use of the Radio Spectrum CE marking Marking Example Class 1 a fe tig hau toana 14 1107045 Telit Wireless Solutions Co Ltd Bth FL Shinyoung Securities Bid 8 Guijegeumyung ro8 gil Yeongdeungpo gu Seoul 150 884 Korea GPS module GNSS with GPS GLONASS Baidou Telit SL869 V2 No remarks No remarks No remarks C 0700 This certficute a issued n accorius o wit the Divectwe 19 SEC el ta European Parlement and the Council on rado etpatprrieni enc telecommurications term nal equipment and the mitur ecognitas nf thee contormity cated 9 March 1598 ard i5 Only veld in comunotios with the following annex 2 poges This vera of tha conficate pepleces hu uspertee 14 1107 Ode stich is ry withzraa Blomberg 26 February 2014 Placa Cate of issue Po eres Prore 935 2 5235 9502 24 Foe
14. of the external LNA In the GNSS receiver digital noise 1s an additive number and cannot be reduced by reducing the System Noise figure s L 7 y t x iP v VJ D n E M T d P Reproduction forbidden without written authorization from Telit Communications S p A ALL Rights Reserved Page 41 of 69 lelit SL869V2 Family Product User Guide LVVOUSUILTS JU 2OoLa 1 F 1dB 3 1 15 1 1 dB approx System Nosie 1 1 1 0 1 5 dB Digital Noise System Nosie 2 1 2 6 dB External LWA G14 dB 1dB MF GPS LNA Gz 15 dB NF 2 5 3 0 dB 1 5 DSP noise Approximately 4 0 4 5dB System Equivalent Moise Figure 10 1 Cascade Noise Figure calculations with external LNA If the external LNA has no pre select filter it needs to be able to accomodate signals outside the GNSS passband which are typically at much higher levels than GNSS The amplifier must stay in the linear region when presented with these other signals Again the system designer needs to determine all of the unintended signals and their possible levels that can be presented making sure the external LNA will not be driven into compression If this were to happen the GNSS signal itself would start to be attenuated and the GNSS performance would suffer 10 6 System Noise Floor The SL869 V2 will display a reported C No of 40 dB Hz for an input signal level of 130 dBm The C No number means the carrier or signal is
15. satellite is actually shorter than measured It is this phenomenon that makes GNSS navigation in urban canyons narrow roads surround by high rise buildings so challenging In general the reflection of a GNSS signal causes the polarization to reverse The implications of this are covered in the next section 10 2 GNSS Antenna Polarization The GPS broadcast signal is Right Hand Circularly Polarized RHCP An RHCP antenna will have 3 dB gain compared to a linearly polarized antenna assuming the same antenna gain specified in dBic and dBi respectively An RHCP antenna is better at rejecting multipath interference than a linearly polarized antenna because the reflected signal changes polarization to LHCP This signal would be rejected by the RHCP antenna typically by 20 dB or greater If the multipath signal is attenuating the line of sight signal then the RHCP antenna would show a higher signal level than a linearly polarized antenna because the interfering signal is rejected However in the case where the multipath signal is replacing the line of sight signal such as in an urban canyon environment then the number of satellites in view could drop below the minimum needed to determine a 3D position This is a case where a bad signal may be better than no signal The system designer needs to understand trade offs in their application to determine the better choice 4 d 4 k Reproduction forbidden without written authorization f
16. the module is turned off I SR j Ra a J 7 D T Fa CN Reproduction forbidden without written authorization from Telit Communications S p A Rights Reserved Page 37 of 69 All lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 10 RF Front End Design The SL869 V2 and SL869 V2S receiver modules contain a preselect SAW filter This allows them to work well with a passive GNSS antenna For improved performance or if the antenna cannot be located near the receiver an active antenna that is an antenna with a built in low noise amplifier can be used Optimum performance is realized only if the firmware build matches the type of antenna used active or passive The firmware must set the internal LNA gain to correspond to the installed antenna 10 1 RF Signal Requirements The SL869 V2 can achieve Cold Start acquisition with a signal level of 148 dBm at its input This means that it can acquire and track visible satellites download the necessary ephemeris data and compute the location within a 5 minute period In the GNSS signal acquisition process downloading and decoding the data 1s the most difficult task which is why Cold Start acquisition requires a higher signal level than navigation or tracking For the purposes of this discussion autonomous operation is assumed which makes the Cold Start acquisition level the dominant design constraint If assistance data in the form
17. 4 7 1 bull Power Continuous MOE 4 233439 ARSE ESE 9 Arin 19 4 7 2 sal le 20 4 7 3 ao sl ks MOS 1223 9454 eee eee EROS Eee 99 95 3 tees 20 Bal dZIDWOIVODOOQDe MOOS aware 3d ewm ROS E qd E EES d dos ers RUN S RC 21 D Product SPSCLETCACIONS 55223 99499 893v x09 9 3 439 908 ee CR CERS 22 SL Pertormance SpeocrrrtcatQions SLOGO V2 Lis 93959 9 S EY 2 2 Od vds PoS CrON AOOIDEOeS V NST PN Solace Sime Lo Mire Pik oC Aa cat eate bee OOo ee x RC eR EE ad 23 Sa 28889 VIV Sloe VE at desc dia d l woe RUE EIS RON 24 Dala Pertormance SDOCOCLLLCdLiOnsS Slo69 VAS lt Y 334 4 AJ s T ela POSTLIQNH SCIO S000 VZ5 sau 3 9 9 5 99590 m4 3 9 99945 A A Tine TI Bre 00 WV Be 93 a la ur Sos 9o 4 E 25 Delete ae 0 ED in 4 9 4 ITSR GR UR EUER PUR EUN POE 25 6 Software IHLGPEaC 22 4 49 394994494939 953554 26 Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 5 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi Cels NMEA OUCPUC MISSUS ame eee 3 599 8 2 897879 2 09 39 8 0 2908 3808 2989709 79 2908738 26 Da NMEA I nn P ese S 21 7 Flash Upgradable 23220 9o Ro 18 2 RP OR ee eee BUR OR RR AURORA REOR Ind 28 8 Electrical Interface een 29 Dad OLB09 V2 and Seo V25 PII HL X6 15d 2533 0999 2 9 9 99 3 29 Baca MOT PIOU CODI S uic PG RE REOR ER EUR ERES ER Eid ES s 30 Ded ard oLb909 V2 and Sb569 Vao Pa Table s22 998
18. 9 xeu Rs 30 Dx GPOWSF SUD rt ee eee Be ee dee ee ee eee ee eee eee E ES 31 RS eo TE 31 C4 a CEAC 4 9 4 5 9 99 3 802 3v d Oe ooo eero pr d bos L9 9 89 od Ok NE BE 22234 8 9 FRA 1 a a 0 A 88 m e 8 3 4 DG Power EOequiremelUtS 664460686 D6 O546 45 kiiks 30 2 9 v 3 SE 32 Dod ws DC Power ONnsdmplaOSh prerese ee aereo ea dee PUR Eo Ice 9 A 92 8 4 Re OI terrlgc uasa 39 49 9 23 9 4 5 9 9 PURUS NOR See eee Ge REL UP od 33 Oa Heels j ISIN EMIT shite es des ce fe he Wee Ba cee a ten ts ss Geta pa es r BA ee al 000 ee E 33 a External Active Antenna Voltage cer es 34 8 4 3 Purno Prole CLIO 5403 se eee eae CHER Sea OSA EEE 34 8 4 4 Jamming Rejection Active Interference Cancellation 34 Dad sa Prou Pdl 23 2233239923 9 995 4 eae eee ee eee eee owe as e 34 Dich UGLE dggmel DETTO qu eee eee 1 ee Bee ORO eee 35 Oa wills sites IR skar a 119500 5 13 95 3094 9 29 50 Gib d E DOS oes oe Rd NOS 35 ome AR Sina USL suck oe eh OSes Oe ee DENEN E oe ee ae ee eee 36 9 Reference DESIGN 4 442 299 A A AR ER Ra 37 LO RE Front End Design 23239593229 3 ee 9 3 29 79 29 39 29 99 2 209009 E OON en 38 IR o ere RF Gignal BOgurtftemeutS amp ieesieeaesceeSeas5eeLSg kene kinai 38 lOS GNOO Antenne Polarizado 4343333599525 49932253 39 Te ACTIVE versus Passive AMEN 44 44 9449 seed 4 40 10 4 Ek RS 2 3 5 92 9 4 2 3 999 9229 9 22 3 25 329 9 3 3 48 40 Ki External LNA Gain and Noise Figure 0 0 0 0 0 41 T0 Qu
19. AT 2 4 T d 4 MA Reproduction forbidden without written authorization from Telit Communications S p A Rights Reserved Page 26 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi e Proprietary Messages The SL 869 V2 supports several proprietary NMEA periodic output messages which report additional receiver data and status information 6 2 NMEA Input Commands The SL869 V2 uses NMEA proprietary messages for commands and command responses This interface provides configuration and control over selected firmware features and operational properties of the module Please refer to the SL871 SL869 V2 Family Software User Guide Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 27 of 69 Telit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 7 Flash Upgradability The firmware stored in the internal Flash memory of the SL869 V2 may be upgraded via the serial port TX RX pads In order to update the FW the following steps should be performed to perform re programming of the module l 2 3 4 n Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Remove all power to the module Connect serial port USB cable to a PC Apply main power Run the software utility to re flash the module Clearing the entir
20. All Rights Reserved Page 58 of 69 elit SL869V2 Family Product User Guide LS rU 201410 1 15 1 CE Declaration of Conformity amp Conformity Assessment S Declaration of Conformity DoC We Telit Winelews Soleions Co Lid loczsed Rih TT Sheryoung Securities Fld 6 Gukjegesmvunir ros gil Y congdeutapmo g0 Seoul 150 544 Kores declare under our sole responsibility that the product prodoct name GPS module trade name Feli Type SLA69 VA to which this declaration relates is in conformity with the essential requirements and other relevant requirements of the R amp TTE Directive 1999 5 E The product is in conformity with the following standards and or other normative documents HEALTH amp SAFETY Art 331 Xa EN 62479 2010 EN 50850 12008 A11 2009 A1 2010 A122011 EMC An 5 099 s EN 301 489 1 V 192 2011 8 SPECTRUM An X2 a EN 300 440 1 v1 6 1 2010 08 EN 300 440 2 V1 4 1 2010 08 Supplementary mformation Notified body involved TUY Rheinland LGA Products Gili Not Ded Body mambser 0700 Technical file held by Lett Wireless Solutions Co Lid ae ri i I Securitins NW 4 mA egovmyuig wv gil titli Eu Sual 35 444 irta Place and date of issue af this DoC Seoul Korea 6 Feb 2014 3H sl Signed by H wn Name in print Ju Hyun Shin Tithe Dhroctot V M Figure 15 1 SL869 V2 CE Declaration of Conformity EE m Reproduction forbidden without written authorization from
21. ENIX TESTLAB GMBH Notified Body mumber 0700 Technical file held hy Tett Wireless Solutions Co Lad Nf FL Sbieyeung Securities Did 5 ulegewmmnag e aL Vonir Seoul 120 894 Korea Place and date of issue of this DoC Seoul Korea 15 Apr 2014 Signed by Name in print Ju Hyun Shin jus Tithe Darector Figure 15 3 SL869 V2S CE Declaration of Conformity Telit Communications Pom M ZA dy All Fancogaseed by Expertise No Certificate Holder Address Product Description Brand Name Model Name Opinion on the Essential Requirements Article 3 18 Health and Safety Article 3 15 Electromagnetic Compatibility Article 3 2 Effective Use of the Radio Spectrum CE marking Marking Example Class 1 SL869V2 Family Product User Guide IVVO301175 rU Z POEN TESTLAB Expertise Expert Opinion of the Notified Body on the Conformity Assessment according to Article 10 5 of RATTE Directive 1999 5 EC PHOENIX TESTLAB EU Identification Number 0700 T Ere 54 SE 14 112061 Telit Wireless Solutions Co Ltd 8 FL Shinyoung Securities Bid 6 Gukjegeumyung ro8 g Yeongdeungpo qu Seoul 150 884 Korea GPS module Telit SLB69 V25 No remarks No remarks No remarks C 0700 This cortficote is usud n accordance wit Ine Deectve 1999 3 of the European Parent and the Counci o redo equipment and Incem uncos tanned qeu prend end the mutual recogen of fer confor
22. Ey com onse BIOOP 3 9 eee IE EUER a OUR SCRITTO 42 lOs s EL Peace Ole sa 43 Iuda PCB Stack and Trace Impedance 92x33 ee oe 3 x x ox ox ei 43 10s Implications of the Pre select SAW Filter 45 10 10 Powering an External LNA active antenna 46 LU dd GRE IOIO a3 5 3 593 5 5 Ep 935 p RR ae on EO ER Ep EUR EO 47 Toelae iit EIE rrr 47 11 Mechanical Drawing ee eee 48 12 PCB EOOUDEIHL o sacosa toia 00 EA E Oe Ee ee Re ee ee 49 13 Product Packaging and Handling 50 A amp f Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 6 of 69 Telit SL869V2 Family Product User Guide TS rU 20LS IU l l1 Ls Product Marking and DErLaLlizZza 4360 9749 3 918 8 8285288 nee 50 Le 2 4 Producer Packaging sno Delivery zs 9 2 9 3 3 95 8 51 IRs eT Diog Hg BS sma V de uem ene Ye UOCE SWE OE HE RON ON ORO TES 25 13 4 TA uus cs eee 188 9 05 18 19 09 19 8 18 09 28 18 19 09 38 08 18 19 0 0 ees 54 INS TROP BOW a 22 93 99 9 3 09 9 9 9 99 99 64 95 2 9 9 9 9 9 A 99 95 99 9 9 ESS D UNS eg oe I COE T CIg ETT 2305 EuRPOE ER EP E ER EP Pee 56 MS m seks ee ee 56 ie Ore Base sl TTT 56 14 Environmental Requirements eens 57 14 1 Operating Environmental rn eds ba eure o 14 2 Storage Environmental BIMLES 24 3949 044604 a 15 COMPIIANCeSS 2444644466644 5 FE 4 219
23. OGI V2 and S609 VZ5 ILIP OULG 29 5 99 9 9 9 68 a OE 29 SL369 a V29 Pin out Cable ip 366 1 amie enes 30 DC oed oho rr rrr 22 Sligo VZ IOWOE CO Un C Ol es a6 Bee Oe E ER S Ow mue EE P 92 OLOCO V20 Power 1015 INDE ar 99 99 9 9 9 we p x 33 Erosneno s Pie 2 4 39 279 4739 dha 952 9789293 N 34 DC GEL IEBS Log Je Ue usum exe Re sey bos Sick SG dbi des 36 DP AERE 7 ge wees REE Oe REE Oe eee eS 36 PreOOUcCeE JBobed IOS uude doa ed eee Bo dod owes oe oe ee d 50 Ii V2 Boe I um dU en m HEU TER TUR EUR Sn RUE Lo I Ve SOON UL er aub me ds SUPE ee P ION S RR eee 13 5Sho09 V2 and Sb569 Vs valdar RIS lt cee cece eb cue 1 6 SL 69 V2 Reference DOS Oi s 354 3999449 99 5 49 599 4 31 1 Cascade Noise Figure calculations with external LNA42 2 JB Traco EXIDO sarani 6 POR OUEUR PVROEOR EUR ee 6 POR BOR ERU Be 43 2 Jive PCE SU Da eu 3 97 2 72 978 3 neue 8 18 C E E E IRR TONG 43 4 Typical Board stackup and calculated trace width 44 5 Example of wider trace width achieved by moving IUS ce Ge 40879 4 9 2 9 0609 3619 0909 GES OHO 28089360 CO ee 709909 oe RU QR RR E 45 1 SL869 V2 and SL869 V2S Mechanical Drawing 48 1 21969 V2 SN LD Witt sw ou ae ao aie ars 49 iL pqodgusc JU EIN 23803256598 31 95 9 8 Ee CR RUOTE UR HA 50 2 Tape ano Reel PaOEOC EDO ea dx grupo ot dq c Do e odi 0505 51 3 Tape and Reel Detail cett nn od JH ur IO 4 29 3 572 51 219 ee 919 ee dep ee ee ue ee E UR oes 02 5 Moisture Sensitive Devices Label
24. PS satellites that allows calculation of approximate GPS satellite positions and velocities The almanac is used by a receiver to determine satellite visibility and as an aid during acquisition of GPS satellite signals The almanac is reduced precision set of ephemeris data and is updated weekly by GPS Control See BeiDou BDNS formerly COMPASS BeiDou Satellite Navigation System BDS also known as COMPASS or BeiDou 2 Global satellite navigation system used by China and Asia Pacific region Cold Start A cold start acquisition assumes that the receiver s position and time along with ephemeris data is unknown Almanac information may be used to identify previously healthy satellites and their approximate position Cold Start Acquisition Sensitivity The lowest signal level at which a GNSS receiver is able to reliably acquire satellite signals and calculate a navigation solution from a Cold Start Cold start acquisition sensitivity is limited by the data decoding threshold of the satellite messages EGNOS European Geostationary Navigation Overlay Service The system of geostationary satellites and ground stations developed in Europe to improve the position and time calculation performed by the GPS receiver Also see WAAS Ephemeris plural ephemerides A set of satellite orbital parameters that is used by a GPS receiver to calculate precise GPS satellite positions and velocities The ephemeris is used to determine the navigation sol
25. alled antenna Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 33 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 8 4 2 External Active Antenna Voltage If an active antenna or external LNA is used an external bias T is required to provide voltage to it A DC blocking capacitor is also required to prevent DC voltage from being applied to RF IN 8 4 3 Burnout Protection The receiver accepts without risk of damage a signal of 10 dBm from 0 to 2 GHz carrier frequency except in band 1560 to 1610 MHz where the maximum level is 10 dBm 8 4 4 Jamming Rejection Active Interference Cancellation Please see section 4 5 Jamming Rejection Active Interference Cancellation for further information Jamming Rejection can be used for solving narrow band CW EMI problems in the customer s system It 1s effective against narrow band clock harmonics Jamming Rejection is not effective against wide band noise e g from a host CPU memory bus or switching power supply because these sources typically cannot be distinguished from thermal noise A wide band jamming signal effectively increases the noise floor and reduces GNSS signal levels 8 4 5 Frequency Plan TCXO Frequency 16 368 MHz LO Frequency 1588 6 MHz LO Leakage 70 typical dBm Table 8 6 Frequency Plan z d w 5 Reproduction forbidden without written authorizatio
26. ation and the specific environmental regulations Do not disassemble the product tampering will invalidate the product warranty We recommend following the instructions in user guides for correct operation of the product The product must be supplied with a stabilized voltage source and the design must conform to security and fire prevention regulations The product must be handled with care avoiding any contact with the pins because electrostatic discharge may damage the product The system integrator is responsible of the functioning of the final product therefore care must be taken regarding components external to the module as well as any project or installation issue Should there be any doubt please refer to the technical documentation and the regulations in force Every GNSS receiver module must be equipped with a proper antenna with specific characteristics The European Community provides Directives for electronic equipment introduced in the market The relevant information is available on the European Community website http ec europa eu enterprise sectors rtte documents Directive 99 05 regarding telecommunication equipment and applicable Directives Low Voltage and EMC are available at http ec europa eu enterprise sectors electrical I Se A Li yos I H TNT B l l T ES i Sa Reproduction forbidden without written authorization from Telit Communications S p A ALL Rights Res
27. center contact php For detailed information about where you can buy the Telit modules or for recommendations on accessories and components visit http www telit com To register for product news and announcements or for product questions contact Telit Technical Support Center TTSC Our aim is to make this guide as helpful as possible Keep us informed of your comments and suggestions for improvements Telit appreciates feedback from the users of our information i a Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 10 of 69 Telit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 1 3 Text Conventions e All dates are in ISO 8601 format 1 e YY Y Y MM DD Danger This information MUST be followed or catastrophic equipment failure or bodily injury may occur Caution or Warning Alerts the user to important points about integrating the module if these points are not followed the module and end user equipment may fail or malfunction Tip or Information Provides advice and suggestions that may be useful when integrating the module This text does not apply to the SL869 V2S This text applies only to the SL869 V2S 1 4 Related Documents e SL869 V2 Data Sheet e SL869 V2S Data Sheet e SL871 and SL869 V2 Families Software User Guide e SL871 amp SL869 V2 Family Evaluation Kit User Guide R
28. cular satellite no improvement in performance would be realized But for those satellites with a signal level below about 135 dBm a higher gain antenna would amplify the signal and improve the performance of the GNSS receiver In the case of really weak signals a good antenna could mean the difference between being able to use a particular satellite signal or not 10 5 External LNA Gain and Noise Figure The SL869 V2 and SL869 V2S can be used with an external LNA built into an active antenna Because of the internal LNA the overall gain including signal losses past the external LNA should not exceed 20 dB for best performance Levels higher than that may affect the jamming detection capability of the receiver If a higher gain LNA is used either a resistive Pi or T attenuator after the LNA is recommended to reduce the gain to 20 dB The external LNA should have a noise figure better than 1 dB This will give an overall system noise figure of around 2 dB assuming the LNA gain is 14 dB or higher if the low gain mode is selected within the module The overall system noise figure can be calculated using the Friss formula for cascaded noise figure The simplified formula is FF 1 Fa 1 F4 1 Fu 1 Pa Ak Sl E RN Gi GiG G 1G3G G1 G_Gyq G4 Equation 10 1 Cascade Noise Figure Where F is the total system noise figure F1 is the noise figure of the external LNA F2 is the noise figure of the internal LNA and G1 is the gain
29. e Periodic Mode default settings asleep for 12 s then awake for 3 s Table 8 4 SL869 V2 Power Consumption i f P i Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 32 of 69 Tei SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi Low Power Mode GPS Only Battery Backup Operating temperature is 25 C Supply voltages were nominal 3 3 VDC Low Power mode 500 ms duty cycle Periodic Mode default settings asleep for 12 s then awake for 3 s Table 8 5 SL869 V2S Power Consumption RF Interface RF IN The SL869 V2 RF input RF IN pin accepts GNSS signals in the range of 1561 MHz to 1606 MHz 1573 42 to 1577 42 MHz for the SL869 V2S at a level between 125 dBm and 165 dBm into 50 Ohm impedance No DC voltage can be applied to the RF input Antenna Gain e Passive antenna isotropic gain of greater than 6 dBi e Active antenna optimum gain is 14 dB to 20 dB including cable losses A noise figure of less than 1 0 dB will offer the best performance The maximum total external gain is 36 dB including all external gain i e antenna gain external LNA gain and any passive losses due to cables connectors filters matching networks etc Optimum performance is realized only if the firmware build matches the type of antenna used active or passive The firmware must set the internal LNA gain to correspond to the inst
30. e The host serial I O port RX and TX pins supports full duplex communication between the receiver and the user The default serial configuration is NMEA 9600 bps 8 data bits no parity stop bit More information regarding the software interface can be found in the SL869 V2 Family Software User Guide Customers that have executed a Non Disclosure Agreement NDA with Telit Wireless may obtain the SL869 V2 Family Software Authorized User Guide which contains additional proprietary information 6 1 NMEA Output Messages NMEA 0183 v4 10 1s the default protocol In the current Firmware release some sentences may exceed the NMEA length limitation of 80 characters By default GPS and QZSS constellations are enabled For the SL869 V2 GLONASS is also enabled by default e Standard Messages The following NMEA sentences are output by default at a rate of 1 per second GPRMC GPGGA GxGSA talker ID is dependent on constellation SL869 V2 only GxGSV talker ID is dependent on constellation SL869 V2 only QZGSV if enabled and QZSS satellites are visible The following NMEA sentences can be enabled by command GLL VTG ZDA The talker ID GP is replaced by GN in RMC GGA GLL and VTG sentences based upon multi constellation data The talker ID GP is replaced in GSA and GSV sentences by GN Multi constellation not used for GSV GL GLONASS BD BeiDou QZ QZSS E
31. e flash memory is strongly recommended prior to programming Upon successful completion of re flashing remove main power to the module for a minimum of 10 seconds Apply main power to the module Verify the module has returned to the normal operating state i I Page 28 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 8 Electrical Interface 8 1 SL869 V2 and SL869 V2S Pin out diagram COIN O O1 G Nh Table 8 1 SL869 V2 and SL869 V2S Pin out Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 29 of 69 lelit SL869V2 Family Product User Guide LVVOUSUTLLJTS EU Zola loi 8 2 Module Pin out tables 8 2 1 SL869 V2 and SL869 V2S Pin out Table Description 1 NC NoConnection OOOO O O 3 NC NeComedo 3 IPS O Pulse Per Second 4 NC No Connection o NS No Connection o NS No Connection 7 NC NoComeo 8 1 NC Necmetn OO 9 VCCRF PWR Bias T Supply Voltage internally connected to pin 22 GND M NC Noconnection 15 NC Notome on 16 NC Notum SOS X NC Notmecdon i18 NC Noto 19 NC Notum 39 IX O UARTIIX Ground Note All GROUND pins must be connected to ground Table 8 2 SL869 V2 and SL869 V2S Pin out table 4 7 a E CIEN MA i b
32. eproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 11 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 2 Product Description The SL869 V2 family of GNSS GPS receivers provide a navigation solution using either the GPS constellation only SL869 V2S or multiple GNSS constellations SL869 V2 2 1 Product Overview e Complete GNSS receiver module including memory TCXO and RTC e Based on the Mediatek MT3333 SL869 V2 or MT3337 SL869 V2S e Same footprint as JN3 and SL869 modules see Product Compatibility section e 99 search channels and 33 simultaneous tracking channels 66 search and 22 tracking channels for SL869 V2S e GPS LI QZSS and Glonass L1 or BeiDou B1 signals only GPS L1 and QZSS for SL869 V2S e SBAS capable WAAS EGNOS MSAS GAGAN e AGPS support for extended ephemeris using server based or local solutions Embedded Assist System EASY and Extended Prediction Orbit EPO e Jamming Rejection Active Interference Cancellation e Supports active or passive antenna e IPPS output e Default IHz reporting Max 10 Hz e NMEA commands and data output e Standard UART serial port for input commands and output messages e 8 Megabit built in flash ROM memory for SL869 V2S e Less than 90 mW total power consumption typical e Power management for extended battery life e Supported by evaluation kits e 40 C to 85 C
33. erved Page 68 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 18 Document History Revision Date Changes S 0 2014 04 18 First issue Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 69 of 69
34. gh evaluation of the module LAB Cable Antenna Evaluation Kit USB Drive Note The SL869 V2 kit includes two antennas one for GPS BeiDou and another for GPS GLONASS Figure 3 1 SL869 V2 and SL869 V2S Evaluation Kits SR dd r n MT c7 j Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 16 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 4 Product Features 4 1 1PPS The module provides a 1PPS output signal during 3D navigation See section 8 5 1 3 for detailed information 4 2 Static Navigation Static Navigation is an operational mode in which the receiver will freeze the position fix when the speed falls below a set threshold indicating that the receiver is stationary The course is also frozen and the speed is reported as 0 The navigation solution is unfrozen when the speed increases above a threshold or when the computed position exceeds a Set distance from the frozen position indicating that the receiver is again in motion The speed threshold can be set via a command Static Navigation is disabled by default but can be enabled by command This feature is useful for applications in which very low dynamics are not expected the classic example being an automotive application 4 3 Assisted GPS AGPS Assisted GPS or Aided GPS is a method by which TTFF is improved using informat
35. gth at L1 which has the effect of making an RF short at one end of the stub to appear as an RF open at the other end The RF short is created by the good quality RF capacitor operating at self resonance The choice between the two would be determined by e RF path loss introduced by either the inductor or quarter wave stub e Cost of the inductor e Space availability for the quarter wave stub Simulations done by Telit show the following Additional signal loss dB 0 59 Coilcraft BO9TJLC Inductor 0 37 used in ref design Since this additional loss occurs after the LNA it is generally not significant unless the circuit is being designed to work with both active and passive antennas Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 46 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 10 11 RF Interference RF Interference into the GNSS receiver tends to be the biggest problem when determining why the system performance is not meeting expectations As mentioned earlier the GNSS signals are at 130 dBm and lower If signals higher than this are presented to the receiver the RF front end can be overdriven The receiver can reject up to 12 in band CW jamming signals but would still be affected by non CW signals The most common source of interference is digital noise often created by the fast rise and fall times and high cl
36. gurations 2 4 1 SL869 V2S Compatibility e The SL869 V2S does not support locally generated ephemeris Embedded Assist System EASY since it does not have flash memory e The SL869 V2S supports server generated ephemeris Extended Prediction Orbit EPO via a host system amp f i t Li M E Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 14 of 609 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 2 5 Product Compatibility The SL869 V2 and SL869 V2S modules use the same footprint as the JN3 and SL869 module families and are generally pin compatible for basic designs 1 e those using only 3 3V power Antenna input TX RX and IPPS However there are interface differences that must be considered for more advanced designs JN3 24 GND Note 1 VCC IN and VBATT have different min amp max values Table 2 2 JN3 SL869 and SL869 V2 Compatibility E Reproduction forbidden without written authorization from Telit Communications S p A Rights Reserved Page 15 of 69 Telit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 3 Evaluation Kit The SL869 V2 V2S Evaluation Kit EVK is available to assist in the evaluation and integration of the receiver module in custom applications The EVK contains all of the necessary hardware and software to carry out a thorou
37. hm trace impedance on the RF path Design software for calculating trace impedance can be found from multiple sources on the internet Below is the Agilent design software App CAD which can be downloaded at no charge Using a typical FR4 board stack up the calculated trace width for this board 1s 900 microns or approximately 35mill This may not be an acceptable trace width and board material may need to be adjusted accordingly _ aaae M Figure 10 3 Example PCB Stackup ES F Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 43 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU 20LS IUD eL Microstrip 1 da 20 F4 m 99 je being 87 Delechic fre 1 am ger V 1 0 Wavelength 57 203 pra v Vp 0516 tactonete Frequency 15 GHz Et 3 761 aa Rx i wm 197 Figure 10 4 Typical Board stackup and calculated trace width The board material may be dictated by other applications that are included on the host PCB The board thickness may dictate a very narrow trace This may not be acceptable and can also lead to issues where the trace meets a component pad In situations like this the ground layer directly under the RF trace path can be removed and the RF ground is then moved to the next layer This may result in a more acceptable trace width 1 gt B amp
38. ic mode is entered by sending the following NMEA command PMTK225 Type Run time gt lt Sleep time gt lt 2 run time 2 4 sleep time gt lt checksum gt Where e Type 1 for Periodic mode e Run time Full Power period ms e Sleep time Standby period ms e 2 run time Full Power period ms for extended acquisition if GNSS acquisition fails during Run time e 2 sleep time Standby period ms for extended sleep if GNSS acquisition fails during Run time Example PMTK225 1 3000 12000 18000 72000 16 for periodic mode with 3 s navigation and 12 s sleep in backup state The acknowledgement response for the command is PPMTK001 225 3 35 Periodic mode is exited by sending the NMEA command PMTK225 0 2B just after the module wakes up from a previous sleep cycle dun SENE y E x I M T d i 99 Reproduction forbidden without written authorization from Telit Communications S p A ALL Rights Reserved Page 20 of 69 Telit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi AlwaysLocate Mode AlwaysLocate is an intelligent controller of the Periodic mode where the main supply pin VCC_ON is still powered but power distribution is controlled internally Depending on the environment and motion conditions the module can autonomously and adaptively adjust the parameters of the Periodic mode e g on off ratio and fix rate to achieve a balance in positioning accurac
39. industrial temperature range e Surface mountable by standard SMT equipment e 24 pad 16 X 12 2 X 2 4 mm Industry Standard LLC castellated edge package e RoHS compliant design gt lt B BAS Fs gt M D B N E T d i T f Reproduction forbidden without written authorization from Telit Communications S p A Rights Reserved Page 12 of 609 SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 2 2 Block Diagram SL869 V2 ANTENNA VBATT VCC SAW FILTER L c o m i RX TX 1PPS Figure 2 1 SL869 V2 Block diagram 2 3 Block Diagram SL869 V2S SAW FILTER RX TX 1PPS Note The SL869 V2S does not include Flash memory Figure 2 2 SL869 V2S Block diagram 3 a EN gt amp Ss 71 1m d 4 a ad Et 4 u r PP j PE E st A J p j n CENE Reproduction forbidden without written authorization from Telit Communications S p A ALL Rights Reserved Page 13 of 69 Telit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 2 4 Product Configurations The SL869 V2 family is available in the following configurations e SL869 V2 GNSS module e SL869 V2S GPS module SL869 V2 SL869 V2S Constellations GPS Supported QZSS Glonass BeiDou Table 2 1 SL869 V2 Product Confi
40. ion from a source other than broadcast GPS signals The necessary ephemeris data 1s calculated either by the receiver itself locally generated ephemeris or a server server generated ephemeris and stored in the module 4 3 1 Locally generated AGPS Embedded Assist System EASY Proprietary algorithms within the module perform ephemeris prediction locally from stored broadcast ephemeris data received from tracked satellites The algorithms predict orbital parameters for up to three days EASY is on by default This feature requires flash memory and therefore is not supported on the SL869 V2S IR j Li b 5 n Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 17 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 4 3 2 Server generated AGPS Extended Prediction Orbit EPO The SL869 V2 supports server based AGPS as a standard feature Contact TELIT for support regarding this service Server based ephemeris predictions are generated by a third party and are maintained on Telit AGPS servers The predicted ephemeris file is obtained from the AGPS server and is injected into the module over serial port 1 RX These predictions do not require local broadcast ephemeris collection and they are valid for up to 14 days See the next section regarding EPO support Host EPO on the SL869 V2S 4 3 3 Host EPO
41. ion may contain references to or information about Telit products machines and programs programming or services that are not announced in your country Such references or information must not be construed to mean that Telit intends to announce such Telit products programming or services in your country Copyrights This instruction manual and the Telit products described in this instruction manual may be include or describe copyrighted Telit material such as computer programs stored in semiconductor memories or other media Laws in the Italy and other countries preserve for Telit and its licensors certain exclusive rights for copyrighted material including the exclusive right to copy reproduce in any form distribute and make derivative works of the copyrighted material Accordingly any copyrighted material of Telit and its licensors contained herein or in the Telit products described in this instruction manual may not be copied reproduced distributed merged or modified in any manner without the express written permission of Telit Furthermore the purchase of Telit products shall not be deemed to grant either directly or by implication estoppel or otherwise any license under the copyrights patents or patent applications of Telit as arises by operation of law in the sale of a product Computer Software Copyrights The Telit and 3rd Party supplied Software SW products described in this instruction manual may include copyrighted Teli
42. mis datec N March 999 and ie onhy vald in conjunction wih the ofowing annex 2 pages f Blomberg 22 April 2014 Pisce Date of iaaue Prone exo m2 9506 24 Fas 480015235 2602 28 notte deodytpphoenis tr Hn de Er Bp Za f cA ON if ai AN e Tears Signed oy eter regn ems a Noted Body PHOENIX TESTLAB Gebh K nigse rn D D 32825 Blomberg Germany a de ee Reproduction forbidden without written authorization from Telit Communications S p A Rights Reserved Figure 15 4 SL869 V2S R amp TTE Notified Body Opinion Page 62 of 69 ZA dy All lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 15 2 RoHS certificate e The Telit SL869 V2 and SL869 V2S modules are fully compliant with Directive 2002 95 EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment RoHS i x e Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 63 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 16 Glossary and Acronyms AGPS Assisted GPS AGPS provides ephemeris data to the receiver to allow faster cold start times than would otherwise be possible This extended ephemeris data could be either server generated or locally generated Almanac A set of orbital parameters for all G
43. module starts in full power continuous mode when powered up This mode uses the acquisition engine searching for all possible satellites at full performance resulting in the highest sensitivity and the shortest possible TTFF It The receiver switches to the tracking engine to lower the power consumption when e A valid GPS GNSS position is obtained e The ephemeris for each satellite in view is valid The user can return to Full Power mode from a low power mode by sending the following NMEA command PMTK225 0 2B just after the module wakes up from its previous sleep cycle d 5 m CIE p rs n Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 19 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 4 7 2 Standby Mode In this mode the receiver stops navigation the internal processor enters the standby state and the current drain at main supply VCC IN is substantially reduced Standby mode is entered by sending the following NMEA command PMTK161 0 28 The host can then wake up the module from Standby mode to Full Power mode by sending any byte to the host port RX 4 7 3 Periodic Mode This mode allows autonomous power on off with reduced fix rate to reduce average power consumption The main power supply VCC ON is still powered but power distribution to internal circuits 1s controlled by the receiver Period
44. n from Telit Communications S p A All Rights Reserved Page 34 of 609 8 5 8 5 1 8 5 1 1 8 5 1 2 8 5 1 3 Telit SL869V2 Family Product User Guide LVVOUJSOUTLLTS U Zola loi Digital Signal Interfaces Signal Descriptions TX The TX serial data line outputs NMEA messages data at a default rate of 9600 bps from the receiver to the host When no serial data is being output the TX data line idles high The logic levels are shown in Table 8 7 TX and 1PPS Logic Levels RX The RX serial data line accepts proprietary NMEA commands at a default rate of 9600 bps from the host to the receiver When the module is powered down do not back drive this or any other GPIO line The idle state from the host computer must be high The logic levels are shown in Table 8 8 RX Logic Levels 1 PPS I PPS is a one pulse per second signal with approximately 10 duty cycle When the receiver is in 3D navigation the IPPS pulse may vary 30 ns 1 o The relationship between the IPPS signal and UTC is unspecified The logic levels are shown in Table 8 7 TX and 1PPS Logic Levels i Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 35 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU 20LS IUD eL 8 5 2 Signal Levels Several distinct logic levels are utilized by the digital signal interfaces of the module They a
45. n from ee lacunae oats one S p A All Rights Reserved Page 53 of 69 elit SL869V2 Family Product User Guide TY JU 2Oola lod CAUTION This bag contains MOISTURE SENSITIVE DEVICES Calculated shelf life in sealed bag 12 months at lt 40 C and 90 relative hunidity RH Peak package body temperature 240 C If blank see adjacent bar code label After bag is opened devices that will be subject to reflow solder or other high temperature process must be a mounted within 48 hours at factory conditions If blank see adjacent bar code label lt 30 C 60 RH or b stored at lt 10 RH Devices require baking before mounting if a humidity indicator card is gt 10 when read at 23 5 C b condition 3a or 3b not met 5 If baking is required devices may be baked for 48 hours at 125 5 C Note If device containers cannot be subjected to high temperature or shorter bake times are desired reference IPC JEDEC J STD 033 for bake procedure Bag seal date C If blank see adjacent bar code label Note Level and body temperature defined by IPC JEDEC J STD 020 Figure 13 5 Moisture Sensitive Devices Label ESD Sensitivity These modules contain class devices and are Electro Static Discharge Sensitive ESDS Telit recommends two basic techniques for protecting ESD devices from damage e Handle sensitive components only in an ESD Protected Area EPA under protected and controlled conditions
46. ntroduCtion 54 5642 5 55 25099 2 89 9 krhek i EE 10 d d GOOD awake eek 9 ER eR ON SRO ORES x4 WE XR EUR ee ees 10 los ML ImtoOrmet om gud SOUDDOEE 2G x39355 99393155 9 5 10 Leos e COM a aaa aaa aaa a LL Lade duet DOCUMENTS rere wo Qi Re ie ripi d oe UN e 0 eo SS 11 2 Product DESCLIPULON 64 44 4444 444 GAOT 3290 AR RA 12 Aedes I XN VUE oues deusvac un 9 19 3 29 3929 990 919 19 a 10 973 919 19 09 3809 2719 19 9 aes 12 Zee PLOK DELOGI e 291009 2 453 5 33933 9 13 9559 34 4 1792 3 3 994 4 9 3 13 Zu Julope DLO 2 bOO A a Bok a a 13 Bete PrO VOT X ONELODUESCIORS ne 29 79 79 9 98 9 8798 8 99 8m 78 9 9738 14 Z5 dla DELOOS M25 COMPA CDLl V 2 52 a ri cae eee Sox ee Eidos 14 go pudor COMO eel 7 oa dn Be 5 5 0 9 3 5 03 09 3 uda du RS 15 3 EvaludtioH lks 16 4 Product FOGaLturGeS 2 2 64 65 999 09 95 8 4981 ar OEE OES OHSS 17 MENS m T3 B5 Ss ss u a m 1228 1 3 78 878 8 188 0 UR TRU UR UR TERT eae UR UR TER eae soo 17 Boo Gg a a km auem EEE sae ates esas 17 4 3 1 Locally generated AGPS Embedded Assist System EASY 17 4 23 25 Server generated AGPS Extended Prediction Orbit EPO 18 a Los PO u9 9 945 399 99 529999 G5945 9 eee eet ene see ee Sees es ee LS 4 4 sl 4 6 46 68 oe 2446 SO 18 4 5 Jamming Rejection Active Interference Cancellation AIC 18 Z0 oerial I O Port GOTT aiu25 333 3539 irad ii x 19 4 Power Management MOOGS A adi echa dirae ades 19
47. ock speeds of modern digital circuitry For example a popular netbook computer uses an Atom processor clocked at 1 6 GHz This is only 25 MHz away from the GNSS signal and depending upon temperature of the SAW filter can be within its passband Because of the nature of the address and data lines this would be broadband digital noise at a relatively high level Such devices are required to adhere to a regulatory standard for emissions such as FCC Part 15 Subpart J Class B or CISPR 22 However these regulatory emission levels are far higher than the GNSS signal 10 12 Shielding Shielding the RF circuitry generally 1s ineffective because the interference is received by the GNSS antenna itself the most sensitive portion of the RF path The antenna cannot be shielded because then it could not receive the GNSS signals There are two solutions one is to move the antenna away from the source of interference and the other is to shield the digital interference source to prevent it from getting to the antenna s L 7 y t x iP v VJ D n E M T d P Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 47 of 69 elit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 11 Mechanical Drawing The SL869 V2 and SL869 V2S modules use advanced miniature packaging with a base metal of copper and an Electro less Nickel Immersion
48. of time or ephemeris aiding is available lower signal levels can be used for acquisition The GPS signal is defined by IS GPS 200 This document states that the signal level received by a linearly polarized antenna having 3 dBi gain will be a minimum of 130 dBm when the antenna is in the worst case orientation and the satellite is 5 degrees or more above the horizon In actual practice the GPS satellites are transmitting slightly more power than specified by IS GPS 200 and the signal level typically increases if a satellite has higher elevation angles The SL 869 V2 will display a reported C No of 40 dB Hz for a signal level of 130 dBm at the RF input Each GNSS satellite presents its own signal to the receiver and best performance is obtained when the signal levels are between 130 dbm and 125 dBm These received signal levels are determined by GNSS satellite transmit power Free space path loss GNSS satellite elevation and azimuth Extraneous path loss such as rain Partial or total path blockage such as foliage or buildings Multipath interference caused by signal reflection GNSS antenna characteristics Signal path after the GNSS antenna Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 38 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola 1 The satellite transmit power is specified in each constellation s reference documentati
49. on readily available online The GNSS signal is relatively immune to attenuation from rainfall However the GNSS signal is heavily influenced by attenuation due to foliage such as tree canopies etc as well as outright blockage caused by buildings terrain or other items near the line of sight to the specific GNSS satellite This variable attenuation is highly dependent upon satellite location If enough satellites are blocked say at a lower elevation or all in one general direction the geometry of the remaining satellites will result is a lower accuracy of position The receiver reports this geometry effect in the form of PDOP HDOP and VDOP For example in a vehicular application the GNSS antenna may be placed on the dashboard or rear package tray of an automobile The metal roof of the vehicle will cause significant blockage plus any thermal coating applied to the vehicle glass can attenuate the GNSS signal by as much as 15 dB Again both of these factors will affect the performance of the receiver Multipath interference is a phenomena where the signal from a particular satellite is reflected and is received by the GNSS antenna in addition to or in place of the line of sight signal The reflected signal has a path length that is longer than the line of sight path and can either attenuate the original signal or if received in place of the original signal can add error in determining a solution because the distance to the particular
50. ovides DGPS corrections WAAS satellite coverage is usable in North America Also see EGNOS T IR j a n i v L d E MA Reproduction forbidden without written authorization from Telit Communications S p A ALL Rights Reserved Page 66 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi Warm Start A warm start typically results after a period of continuous navigation is followed by an extended period of continuous RTC operation with an accurate last known position available in memory In this state position and time data are present and valid but ephemeris data validity has expired _ t gt i a 7 D Li a 7 p em x no P 4A p a A Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 67 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 17 Safety Recommendations READ CAREFULLY Be sure the use of this product conforms to all laws and regulations of the country and in the required environment The use of this product may be dangerous and must be avoided in the following areas e Where it can interfere with other electronic devices in environments such as hospitals airports aircraft etc e Where there is risk of explosion such as gasoline stations oil refineries etc It is responsibility of the user to comply with country regul
51. r module is a Moisture Sensitive Device MSD Level 3 as defined by IPC JEDEC J STD 020 Please follow the MSD and ESD handling instructions on the labels of the MBB and exterior carton Precautionary measures are required in handling storing and using such devices to avoid damage from moisture absorption If localized heating is required to rework or repair the device precautionary methods are required to avoid exposure to solder reflow temperatures that can result in performance degradation The module must be placed and reflowed within 48 hours of first opening the hermetic seal provided the factory ambient conditions are 30 C and 6096 R H and the humidity indicator card indicates less than 10 relative humidity If the package has been opened or the humidity indicator card indicates above 10 then the parts will need to be baked prior to reflow The parts may be baked at 125 C 5 C for 48 hours However the trays tape and reel can NOT withstand that temperature Lower temperature baking is feasible if the humidity level is low and time is available Please see IPC JEDEC J STD 033 Handling Packing Shipping and Use of Moisture Reflow Sensitive Surface Mount Devices for additional information Please refer to the MSL tag affixed to the outside of the hermetically sealed bag Note JEDEC standards are available at no charge from the JEDEC website http www jedec org Reproduction forbidden without written authorizatio
52. re given in the tables below TX and 1PPS Note These inputs have an internal pullup of between 40k Ohm and 190k Ohm Do not drive the Reset N line high Table 8 8 RX Logic Levels gt B le Fs gt M D b E T d f 3 Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 36 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 9 Reference Design Cl vcc IN C2 C1 AUF I T 10uF 388 SL869V2 C 3 4 22uF T 66666 lt Q Z 4 5 6 7 8 9 0 27pF C4 mee 12 ae 5 Figure 9 1 SL869 V2 Reference Design Along with power and grounds the minimum signals required to operate the receiver properly are the RF input signal and two digital signals TX and RX The RF input can be connected directly to a passive GNSS antenna The reference design shows a DC power feed for an active antenna C4 is used to block the DC voltage from entering the module The inductor L1 is chosen to be self resonant at the GNSS frequency approximately 1 57542 GHz to minimize loading on the RF trace Capacitor C5 is chosen to be self resonant so that it is close to an RF short at the GNSS frequency TX and RX are UART lines with a default bit rate of 9600 bps 8 data bits no parity and 1 stop bit They are used for message output and command input Be careful not to drive the RX line if
53. rization from Telit Communications S p A All Rights Reserved Page 50 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 13 2 Product Packaging and Delivery SL869 V2 and SL869 V2S modules are shipped in either Tape and Reel or Tray form The reeled modules are shipped in 24 mm reels with 1000 units per reel Each reel 1s dry packaged and vacuum sealed in a Moisture Barrier Bag MBB with two silica gel packs and a humidity indicator card which is then placed in a carton All packaging is ESD protective lined Reel Module DIRECTION OF UNREELING ee Carrier Tape Modules orientation NOTE Empty slots at the beginning of reel Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 51 of 69 elit SL869V2 Family Product User Guide LVVOUSOUTLLTS rU Zola 1 The modules shipped in trays have 72 units per tray Five trays are dry packaged and vacuum sealed in a Moisture Barrier Bag MBB with a silica gel pack and a humidity indicator card which is then placed in a carton Ho Figure 13 4 Tray Packaging i A _ e P Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 52 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 13 3 Moisture Sensitivity The receive
54. rms of such an agreement Copyrighted Materials Software and documentation are copyrighted materials Making unauthorized copies is prohibited by law No part of the software or documentation may be reproduced transmitted transcribed stored in a retrieval system or translated into any language or computer language in any form or by any means without prior written permission of Telit High Risk Materials Components units or third party products used in the product described herein are NOT fault tolerant and are NOT designed manufactured or intended for use as on line control equipment in the following hazardous environments requiring fail safe controls the operation of Nuclear Facilities Aircraft Navigation or Aircraft Communication Systems Air Traffic Control Life Support or Weapons Systems High Risk Activities Telit and its supplier s specifically disclaim any expressed or implied warranty of fitness for such High Risk Activities Trademarks TELIT and the Stylized T Logo are registered in Trademark Office All other product or service names are the property of their respective owners Copyright O Telit Communications S p A 2014 UE NA j mn a M m D n A T P ma CNN MA Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 4 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi Contents 1 I
55. rom Telit Communications S p A All Rights Reserved Page 39 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 10 3 Active versus Passive Antenna If the GNSS antenna is placed near the receiver and the RF trace losses are not excessive nominally dB then a passive antenna may be used This would normally be the lowest cost option and most of the time the simplest to use However if the antenna needs to be located away from the receiver then an active antenna may be required to obtain the best system performance An active antenna has its own built in low noise amplifier LNA to overcome RF trace or cable losses The active antenna LNA has specifications for gain and noise figure Also many active antennas have a pre select filter a post select filter or both 10 4 GNSS Antenna Gain Antenna gain is defined as the amplified signal power from the antenna compared to a theoretical isotropic antenna equally sensitive in all directions used active or passive The firmware must set the internal LNA gain to correspond to the installed antenna i Optimum performance is realized only if the firmware build matches the type of antenna For example a 25 mm by 25 mm square patch antenna on a reference ground plane usually 70 mm by 70 mm may give an antenna gain at zenith of 5 dBic A smaller 18 mm by 18 mm square patch on a reference ground plane usually 50 mm by 50 mm may give an antenna gain at
56. se of valid time and the GPS GNSS ephemeris data at start up will improve the TTFF by allowing hot and warm starts If no backup battery is connected the module performs a cold start at power up VBATT has an internal diode to VCC IN and therefore the pin can be tied to VCC IN or left unconnected 8 3 3 VCC RF VCC RF is directly connected to VCC IN internally and may be used to power an external LNA or bias T Maximum current available is 50 mA It may be left unconnected IR j Li b 5 n Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 31 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 8 3 4 DC Power Requirements Main Supply Voltage amp Backup Voltage Note VBATT cannot exceed VCC Table 8 3 DC Supply Voltage 8 3 5 DC Power Consumption State amp Constellation Acquisition GPS and Glonass or BeiDou GPS Only Glonass or BeiDou Only n ES NO Cc NO IS Navigation Tracking GPS and Glonass or BeiDou GPS Only Glonass or BeiDou Only NJ J P ON Low Power Modes GPS and Glonass or BeiDou Standby GPS and Glonass or BeiDou Periodic GPS Only Standby GPS Only Periodic Always Locate _ pd _ e e e e LLL ee ies cm Battery Backup IpATT Operating temperature 25 C Supply voltages 3 3 VDC nominal Low Power mode 500 ms duty cycl
57. sly while powered up SAW Surface Acoustic Wave filter Electromechanical device used in radio frequency applications SAW filters are useful at frequencies up to 3 GHz SBAS Satellite Based Augmentation System A system that uses a network of ground stations and geostationary satellites to provide differential corrections to GNSS receivers Current examples are EGNOS WAAS and MSAS Server based Ephemeris prediction A prediction of GPS extended ephemeris accomplished on a server and provided to the receiver over a network The data is generally usable for up to 14 days TCXO Temperature Compensated Crystal Oscillator Tracking Sensitivity The lowest signal level at which a GNSS receiver is able to maintain tracking of a satellite signal after acquisition is complete TTFF Time To First Fix The elapsed time required by a receiver to achieve a valid position solution from a specified starting condition This value will vary with the operating state of the receiver the length of time since the last position fix the location of the last fix and the specific receiver design A standard reference level of 130 dBm is used UART Universal Asynchronous Receiver Transmitter An integrated circuit or part thereof which provides a serial communication port for a computer or peripheral device WAAS Wide Area Augmentation System The system of satellites and ground stations developed by the FAA Federal Aviation Administration that pr
58. t and other 3rd Party supplied computer programs stored in semiconductor memories or other media Laws in the Italy and other countries preserve for Telit and other 3rd Party supplied SW certain exclusive rights for copyrighted computer programs including the exclusive right to copy or reproduce in any form the copyrighted computer program Accordingly any copyrighted Telit or other 3rd Party supplied SW computer programs contained in the Telit products described in this instruction manual may not be copied reverse engineered or reproduced in any manner without the express written permission of Telit or the 3rd Party SW supplier Furthermore the purchase of Telit products shall not be deemed to grant either directly or by implication s P bus i i l I Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 3 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola 1 estoppel or otherwise any license under the copyrights patents or patent applications of Telit or other 3rd Party supplied SW except for the normal non exclusive royalty free license to use that arises by operation of law in the sale of a product Usage and Disclosure Restrictions License Agreements The software described in this document is the property of Telit and its licensors It is furnished by express license agreement only and may be used only in accordance with the te
59. t was preceded by a period of continuous navigation All of the critical data position velocity time and satellite ephemeris is current and available in memory LCC Leadless Chip Carrier A module design without pins In place of the pins are pads of bare gold plated copper that are soldered to the printed circuit board LNA Low Noise Amplifier An electronic amplifier used for very weak signals Local Ephemeris prediction data AGPS prediction of extended ephemeris from broadcast data downloaded from satellites which is stored in memory Useful for up to three days MSD Moisture sensitive device Navigation Sensitivity The lowest signal level at which a GNSS receiver is able to reliably maintain navigation after the satellite signals have been acquired NMEA National Marine Electronics Association d w 5 Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 65 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi QZSS Quasi Zenith Satellite System Satellite Based Augmentation System for GPS which is receivable within Japan and Oceania RoHS The Restriction of Hazardous Substances Directive on the restriction of the use of certain hazardous substances in electrical and electronic equipment was adopted in February 2003 by the European Union RTC Real Time Clock An electronic device chip that maintains time continuou
60. ution and is updated frequently normally every 2 hours to maintain the accuracy of the position calculation ESD Electro Static Discharge Large momentary unwanted electrical currents that cause damage to electronic equipment T IR j a n i v L d E MA Reproduction forbidden without written authorization from Telit Communications S p A ALL Rights Reserved Page 64 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi Galileo Global navigation satellite system GNSS currently being built by the European Union EU and European Space Agency ESA intended for civilian use GDOP Geometric Dilution of Precision A factor used to describe the effect of satellite geometry on the accuracy of the time and position solution of a GNSS receiver A lower the value of GDOP indicates a smaller error in the solution Related factors include PDOP HDOP TDOP and VDOP GLONASS Global Navigation Satellite System Satellite navigation system operated by the Russian Aerospace Defense Forces GNSS Global Navigation Satellite System Term used for a satellite navigation system with global coverage GPS Global Positioning System The U S GNSS space based radio positioning system that provides accurate position velocity and time data Hot Start A hot start results from a software reset after a period of continuous navigation or a return from a short idle period i e a few minutes tha
61. vironmental Limits Up to 95 non condensing or a wet bulb temperature of 35 C whichever is less Maximum Vehicle Dynamics 600 m sec acquisition and navigation 2G acceleration ITAR Limits Speed 515m sec and Altitude 18 000 m Figure 14 1 Operating Environmental Limits 14 2 Storage Environmental Limits Humidity Up to 95 non condensing or a wet bulb temperature of 35 C whichever is less Shock in shipping container 10 drops from 75 cm onto concrete floor Figure 14 2 Storage Environmental Limits Sf 2 Na amp i MAE a Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 57 of 69 Telit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 15 Compliances The SL869 V2 and SL869 V2S modules comply with the following e Directive 2002 95 EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment RoHS e Manufactured in an ISO 9000 2008 accredited facility Certificate upon request e Manufactured to TS 16949 requirements Certificate upon request The SL869 V2 and SL869 V2S modules conform to the following European Union Directives e Low Voltage Directive 2006 95 EEC and product safety test e Directive EMC 2004 108 EC for conformity for EMC a Reproduction forbidden without written authorization from Telit Communications S p A
62. wireless solutions P d Teli SL869 V2 Family Product User Guide 1VV0301175 r0 2014 10 17 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi APPLICABILITY TABLE PRODUCT SL869 V2 SL869 V2S _ t A a 7 7 D Li a 7 p em x no P 4A p a A Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 2 of 69 lelit SL869V2 Family Product User Guide LVVOUSOUTLLTS rU 2Oo1a 1 SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Notice While reasonable efforts have been made to assure the accuracy of this document Telit assumes no liability resulting from any inaccuracies or omissions in this document or from use of the information obtained herein The information in this document has been carefully checked and is believed to be entirely reliable However no responsibility is assumed for inaccuracies or omissions Telit reserves the right to make changes to any products described herein and reserves the right to revise this document and to make changes from time to time in content hereof with no obligation to notify any person of revisions or changes Telit does not assume any liability arising out of the application or use of any product software or circuit described herein neither does it convey license under its patent rights or the rights of others It is possible that this publicat
63. y Rights Reserved ES F Reproduction forbidden without written authorization from Telit Communications S p A lelit SL869V2 Family Product User Guide LVVOUSOUTLLTS rU Zola loi If an external filter is to be connected directly to the module care needs to be used in making sure the external filter or the internal SAW filter performance is not compromised These components are typically specified to operate into 50 ohms impedance which is generally true in band but would not be true out of band If there is extra gain associated with the external filter then a 6 dB Pi or T resistive attenuator is suggested to improve the impedance match between the two components 10 10 Powering an External LNA active antenna An external LNA requires a source of power Many active antennas accept a 3 volt or 5 volt DC voltage that is impressed upon the RF signal line Two approaches can be used The first is to use an inductor to tie directly to the RF trace This inductor should be at self resonant at L1 1 57542 GHz and should have good Q for low loss The higher the inductor Q the lower the loss will be The side of the inductor connecting to the antenna supply voltage should be bypassed to ground with a good quality RF capacitor again with self resonance at the L1 frequency The second approach is to use a quarter wave stub in place of the inductor The length of the stub is designed to be exactly a quarter wavelen
64. y and power consumption The average current drain will vary based on conditions AlwaysLocate mode is entered by sending the following NMEA command PMTK225 lt mode gt lt checksum gt lt CR gt lt LF gt Where mode 9 for AlwaysLocate Example PMTK225 9 22 The acknowledgement response for the command is SPPMTK001 225 3 35 AlwaysLocate mode is exited by sending the NMEA command PMTK225 0 2B just after the module wakes up from its previous sleep cycle i Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 21 of 69 Telit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 5 Product Specifications 5 1 Performance Specifications SL869 V2 5 1 1 Position Accuracy SL869 V2 Test Conditions 24 hr static 130 dBm Full Power Table 5 1 SL869 V2 Position Accuracy t E E 6 a BAS t y a d h f j n L wi 4 hel i CIEN a Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 22 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi 5 1 2 Time to First Fix SL869 V2 m om EL Lem po ie Lm a m 38 ew Table 5 2 SL869 V2 Time to First Fix Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 23 of 69 lelit
65. zenith of 2 dBic An antenna vendor should specify a nominal antenna gain usually at zenith or directly overhead and antenna pattern curves specifying gain as a function of elevation and gain at a fixed elevation as a function of azimuth Pay careful attention to the requirement to meet the required design such as ground plane size and any external matching components Failure to follow these requirements could result in very poor antenna performance It is important to note that GNSS antenna gain is not the same as external LNA gain Most antenna vendors will specify these numbers separately but some combine them into a single number Both numbers are significant when designing the front end of a GNSS receiver For example antenna X has an antenna gain of 5 dBic at azimuth and an LNA gain of 20 dB for a combined total of 25 dB Antenna Y has an antenna gain of 5 dBiC at azimuth and an LNA gain of 30 dB for a combined total of 25 dB However in the system antenna X will outperform antenna Y by about 10 dB Refer to section 10 5 for more details on external LNA gain 2 5 tus i P f Reproduction forbidden without written authorization from Telit Communications S p A All Rights Reserved Page 40 of 69 lelit SL869V2 Family Product User Guide LVVOUJSOUTLLTS rU Zola loi An antenna with higher gain will generally outperform an antenna with lower gain However once the signals are above about 130 dBm for a parti

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