MW GROUP_SAR_FINAL_0
Contents
1. E RF Safety SAR amp HAC test benches SATIMO 2008 A few basics on SAR amp HAC measurements The proliferation of consumer mobile telecommunication equipment MTE has raised concerns about potential adverse health effects due to electromagnetic field exposure For radio frequency safety purposes international regulatory bodies and committees have elaborated standards to which MTE should comply SATIMO offers a range of Specific Absorption Rate SAR and Hearing Aid Compatibility HAC measurement systems for the test and certification of MTE WHY DO WE MEASURE SAR VALUES The radio frequency RF energy radiated by MTE is absorbed in the body and produces heat which is carried away by the body s thermoregulatory processes The rate at which RF electromagnetic energy is imparted to an element or mass of a biological body is called Spe cific Absorption Rate SAR The SAR value is expressed as energy flow power per unit of mass in units of W kg WHAT ARE THE MAIN SAR STANDARDS In 1998 the International Commission on Non lonizing Radiation Protection ICNIRP elaborated guidelines to limit exposure to electric magnetic and electromagnetic fields Based on these guidelines in 2001 the European Community published documents to define basic SAR restrictions and measurement protocols between 300 MHz and 3 GHz for handheld devices EN 50360 and EN 50361 In addition to the EN standard it exists today two othe2. e Measures SAR values for the development testing and certification of mobile telecommunication equipment mobile phone pager walkie talkie personal digital agenda and computers User profile Certification bodies regulatory bodies R amp D and test laboratories terminal manufacturers antenna manufacturers Frequency bands e 30 MHz to 6 GHz Related standard e IEEE 1528 FCC OET Bulletin 65 Ed 97 01 supplement C IEC 62209 1 IEC 62209 2 EN 50361 2001 EN 50383 Related software e OPENSAR SATIMO provides a complete line of SAR products which ensures compliance to certification standards as well as flexibility in terms of set up and use From our own measurement activity and the information gathered from customers experience we continuously optimize our system The COMOSAR standard bench includes a set of additional accessories and equipment to cover all customer needs and offers full turn key systems Included equipment e KUKA KR5 6 axis robot GPIB card LE field probe with liquids and dipoles tables Video Positioning System VPS SAM phantom handset positioning system 2 X 25 L containers of liquids validation dipoles and multimeter Keithley Available additional bench kit e HAC bench probe calibration bench CALISAR and liquid measurement kit Optional additional equipment e Extra table phantoms and positioning system for TWIN set up probe dipole and l
3. 7 floor Cyberport 1 100 Cyberport Road Pok FuLam HONG KONG Tel 852 2989 6128 Fax 852 2989 6108 SATIMO USA 2105 Barrett Park Dr Suite 104 Kennesaw GA 30144 USA Tel 1 678 797 9172 Fax 1 678 797 9173 SATIMO J apan 6 20 11 Shinbashi IK Bldg 1F Shinbashi Minato ku Tokyo 105 0004 J APAN Tel 81 3 6426 0432 Fax 81 3 3435 3233 SATIMO Italy Via dei Castelli Romani 59 00040 Pomezia Rome ITALY Tel 39 06 89 99 53 11 Fax 39 06 89 99 53 24 SATIMO Bretagne Technopole Brest Iroise Z I du Vernis 225 rue Pierre Rivoalon 29200 Brest FRANCE Tel 33 0 2 98 05 13 34 Fax 33 0 2 98 05 53 87 SATIMO Sweden Sofierogatan 3A 412 51 Gothenburg SWEDEN Tel 46 31 402430 Fax 46 31 402430 EB Contact ORBIT FR ORBIT FR s Main office 506 Prudential Road Horsham PA 19044 USA Tel 1 215 674 5100 Fax 1 215 674 5108 ORBIT FR Israel 1 Gesher Ha Ets Street Emek Hefer ISRAEL Tel 972 4 6323402 Fax 972 4 6247375 ORBIT FR Germany J ohann Sebastian Bach Str 11 Vaterstetten 85591 GERMANY Tel 49 0 8106 99606 0 Fax 49 0 8106 99606 77 www microwavevision com sales microwavevision com Graphic design www ateliermaupoux com pictures Guillaume Teamyall rights reserved print print 100 Hong Kong
4. 1900 MHz Related equipment SAR bench phantoms Available containers e 10 20 25 30 liters Frequencies for SAR measurements 300 450 835 900 1450 1500 1800 1900 head amp body 1950 2000 2450 3500 3700 5100 5800 6000 MHz Frequencies for CTIAmeasurements 835 1900 About SATIMO SATIMO specializes in the design and manufacturing of elec tromagnetic field measurement systems in the microwave frequency range For over 20 years SATIMO has developed high speed antenna measurement systems including Over the Air OTA measurement solutions for mobile telecommu nication equipment With the newly acquired SAR amp HAC portfolio SATIMO offers the wireless industry a unique combination of solutions for both antenna radiation pattern and SAR measurements SATIMO and ORBIT FR are part of Microwave Vision SA which also includes AEMI SATIMO S customer satisfaction program The RF Safety EMF products are designed and produced by SATIMO S dedicated center based in Brest The local team Is Supported by a network of regional offices in North Ame rica ASia and Europe Our presence close to our customers is essential to ensure high quality sales services SATIMO is ISO 9001 2000 certified fli N MICROWAVE vision EB Contact SATIMO SATIMO s Main Office 17 avenue de Norvege 91 953 Courtaboeuf FRANCE Tel 33 0 1 69 29 02 47 Fax 33 0 1 69 29 02 27 SATIMO Hong Kong Suite 702
5. Excel Ports LAN 3 slot PCI CALISAR Bench The calibration process allows the assessment ofthe relation between the theoretical E field and the effective voltage at the tip of the probe using a waveguide method In a second step the bench measures the isotropy axial and hemispherical and linearity values ofthe probe CALISAR E field probe calibration software allows the following equipment to be controlled robot voltmeter synthesizer and power meter Product category Related software Probe calibration bench CALISAR software Function Included Equipment e Calibrates E field probes used for SAR e Mechanical assembly system 2 waveguides measurements Additional required equipment ee e Power meter power amplifier signal generator Certification and regulatory bodies directional coupler User profile gt Related standard e IEEE 1528 FCC OET Bulletin 65 Ed 97 01 supplement C IEC 62209 1 EN 50361 2001 EN 50383 CALISAR software GPIB Ethernet RS 232 A v Voltmeter MAIN FUNCTIONS Ethernet i Signal generator v Power amplifier Power meter Waveguide Hardware requirements Defines measurement parameters frequency Advised 17 screen PC Pentium 2 4 GHz liquid properties cable loss and waveguide S11 Cable link 1 LAN Ethernet Checks if all devices are correctly connected Operating system Windows 98 2000 XP to the PC and configures GBIB
6. address for each RAM 512 MB 1 GB recommended instrument Software MS Word Excel Calculates isotropy axial hemispheric and values Creates a Word report Defines the robot reference point of the VAT and memorizes this reference Exports probe factor in OPENSAR format Use of the VPS for automatic reference linearity Ports LAN 2 slot PCI LIMESAR Product category Liquid measurement kit Function e Assess the dielectric properties of SAR and CTIA liquids User profile e SAR bench users gt Related standard e IEEE 1528 FCC OET Bulletin 65 Ed 97 01 supplement C IEC 62209 1 IEC 62209 2 EN 50361 2001 EN 50383 LIMESAR has been developed by SATIMO to measure liquid dielectric properties complex permittivity and conductivity The kit allows ensuring that properties of the liquid remain compliant over the time to the applicable standards LIMESAR can be integrated to OPENSAR SW which means that the last measured values can be automatically updated for further SAR measurements Related software e OPENSAR and CALISAR Related equipment SAR liquids CTIA liquids Included equipment Liquid measurement probe RF cable 3 bottles 1 vice Additional required equipment e Vector Network Analyzer SMA female calibration kit LIMESAR IS COMPLIANT WITH THE APPLICABLE STANDARDS The probe e The contact probe is open ended coaxial transmission
7. depending on the applicable standards The patented shape of each probe optimizes the functio ning and isotropy of the probe over the entire frequency range E field probes MECHANICAL ELECTRICAL Dipole length Axial isotropy in human equivalent liquids Maximum external diameter Hemispherical Isotropy in human equivalent liquids Probe tip external diameter Linearity in human equivalent liquid Distance between diode and the probe tip lt 27mm lt 2mm Dynamic in human equivalent liquid 0 001 100 Watts kg 6 contact male plug Hirose SR30 Dynamic in the air 2 500 V m H field probe MECHANICAL ELECTRICAL Loop length 330 mm Maximum external diameter 8mm Axial isotropy lt 0 25 dB Probe tip external diameter 6mm Dynamic range 0 01 2A m Distance between diode and the probe tip 2mm High resistance line MQ to 2MQ Connectors 6 contact male plug Hirose SR30 Technical characteristics of T coil probe Dimension 350 X12 mm One coil 6 55 mm length X 2 29 mm diameter Frequency 0 1 20 KHz Sensitivity 60 5 dB V A m with 0 5 dB on the whole band Measurements Both axial and radial Connector 6 contact male plug compatible with SAR support and BNC SAM phantom Product category e Phantom Function Contains liquids that simulate human tissues head and body for SAR measurements User profile e SAR bench users The SAM phantom Specific Anthropomorphic Mannequin developed
8. andset User profile e Certification bodies regulatory bodies R amp D and test laboratories terminal manufacturers antenna manufacturers Related standard e ANSI C63 19 iat Ciel wi af ECI i GATIME ein t s settee 5 2m m LA mn me Project Name u 2 mess 110208 Yemen 3 Semmes sert euer Ratmse ms ni u au Related software e OPENHAC SW Included equipment E and H field probes T coil probe Data Acquisition Module validation dipoles and positioning system Optional additional equipment Helmholtz coil Additional required equipment Network emulator BS simulator with audio option power meter power amplifier and signal generator The COMOHAC bench allows measurements to be performed in compliance with the ANSI C63 19 standard It can be used with the robot and device positioning system of the COMOSAR bench The COMOHAC bench enables the M RF test and T audio test rating of the phone to be defined RF measurement chain Ethernet OPENHAC Voltmeter Network emulator mu Sehe with audio option H Field probe E Field probe Audio measurement chain Ethernet OPENHAC LE Robot Audio daq Sy T Coil probe Network emulator with audio option COMPLIANT RF Emissions ANSI C63 19 clause 4 e RF electric field emissions e RF magnetic field emissions T coil Mode ANSI C63 19 clause 6 e T coil mode magnetic signal streng
9. by SATIMO is produced in accordance with the 3D CAD files as specified in the standards and is delivered with a compliance certificate It has been designed to fit the COMOSAR phantom tables and is delivered with a plastic cover to prevent liquid evaporation Related standard e IEEE 1528 FCC OET Bulletin 65 Ed 97 01 supplement C IEC 62209 1 IEC 62209 2 EN 50361 2001 Related equipment e COMOSAR table positioning system COMPLIANT As stipulated in the standards the SAM phantom is made of low loss and low permittivity material The material is resistant to Glycol and offers high rigidity composite ma terialbased on fibreglass The low loss ear spacer provides spacing of 6 mm from the tissue boundary at the Ear Reference Point ERP wi thin a tolerance of less than 0 2 mm EASY AND PRECISE POSITIONING The SAM phantom has been designed so that positions can be easily reproduced It includes reference points to position the DUT and probe 4 reference points are available e one on the top part of the phantom to position the tip of the probe correctly e one in the centre of each of the phantom parts right head left head and flat part In addition the outside shell of the phantom includes a perpendicular cross section between the ear reference point and the mouth as well as between the neck and the forehead This cross section is used as a reference to position the acoustic output of the devic
10. des 3 D view of plane and volume measurements 2 D view for each sensor of the probe and cut plan of the points being currently measured during the volume scan measurement The measurement of liquid dielectric properties is a module that can be integrated in OPENSAR This enables the liquid values to be automatically updated OPTIMIZED ALGORITHMS TO REDUCE MEASUREMENT TIME Measurement time is a key factor in SAR calculation OPENSAR uses optimized algorithms to e Reduce the 2D and 3D scanning time from about 15 minutes one phone one position 1 channel down to 1 minute through 2D quick peak detection and 3D cube truncation algorithms e Halve the calculation time through handover between the low middle and high channels within the same frequency 1 SAR Measurement time reducing via optimization algorithms and interpolation scheme J r me Luc Romain Butet Emmanuel Le Brusq Yann Toutain SATIMO Plouzan France Presented at BEMS conference 2006 Cancun Mexico This paper is referenced in the IEC 62209 2 standard Hardware requirements Advised 17 screen PC Pentium 2 4 GHz Cable link 1 LAN Ethernet Operating system Windows 98 2000 XP RAM 512 MB 1 GB recommended Software MS Word Excel Ports LAN 2 slot PCI COMOHAC bench amp SW ne a ote js m Product category e HAC measurement bench Function e Measures the compatibility of hearing aid devices with h
11. e TWIN SAM phantom MECHANICAL ELECTRICAL Overall thickness 2 0 2 mm except ear area Relative permittivity 3 4 Dimensions sooo mm l Xsoomm W Xzoomm H Lsstangent om Maximum volume 27L T gt Flat phantoms SATIMO s flat phantoms ensure compliance to standards elliptic phantom for IEC and base station for EN related standards They are made of material that fulfils the following requirements e The dielectric properties are respected It is a low loss material with a relative permittivity lt 5 and loss tangent lt 0 05 e It is resistant to head and body liquid component glycol e It is extremely strong max sagging lt 1 of the maximum size of the DUT All phantoms are delivered with a plastic cover to prevent liquid evaporation Reference points on the phantom allow repeatable positioning of the DUT Product category Related standard e Phantom e IEC 62209 2 elliptic flat phantom EN 50383 rectangular flat phantom for base station measurements IEEE 1528 IEC 62209 1 Function EN 50361 2001 FCC OET Bulletin 65 Ed 97 01 Contains liquids for the simulation of human tissues supplement E custom fat phantoms for body handset larger devices and base station SAR measurements Related equipment e COMOSAR table positioning systems User profile e SAR bench users ELLIPTIC PHANTOM FOR BODY MEASUREMENT Technical amp mechanical character
12. e system over the curved rail can be definitively fixed so that the last adjustments just concern the angle or the x y or z axis This simplifies the positioning of the acoustic output of the telephone on the cross section of the phantom before rolling the system underneath the phantom It also improves the accuracy and repeatability of the positioning with a tolerance lt 1 mm DEVICE POSITIONING SYSTEM USED WITH COMOSAR BENCH Material properties same as handset positioning system Mechanical properties 2 rows of rail to cover easily the surface of the phantom The fixing plate is perfectly adapted to larger devices such as a PC which can be positioned in all configurations Accuracy and precision graduated scale available on each axis The DUT is fixed with a specific adaptable grip Device positioning system BASE STATION POSITIONING SYSTEM USED WITH COMOSAR BENCH Material properties same as handset positioning system Mechanical properties two rails are available to centre the antenna on to the right position The antenna can be positioned from 0 to 400 mm away from the phantom with a 25 mm scaled step Accuracy and precision graduated scale available on each axis linear movement of the antenna on its Z axis with a precision lt 1 mm Handset positioning system Base station positioning system Validation dipole SAR validation dipole The validation dipoles are used to check that the en
13. elated standard e IEEE 1528 FCC OET Bulletin 65 Ed 97 01 supplement C IEC 62209 1 IEC 62209 2 EN 50361 2001 EN 50383 HANDSET POSITIONING SYSTEM USED WITH COMOSAR AND HAC BENCH The positioning system is made of an extremely stable material which ensures easy handling and reproducible positioning It also allows correct positioning of the dipoles referenced by the IEEE ANSI and IEC Material properties the positioning system is made of PETP This material offers a low permittivity of 3 2 and low loss with a loss tangent of 0 005 to minimize the influence of the DUT on measurement results Mechanical properties the positioning system develo ped by SATIMO allows a positioning resolution better than 1 mm The system is fixed on a bottom rail x axis so that the positioning system can be quickly moved from the right to the left part of the phantom In addition it can be moved on a perpendicular y axis and the height can be adapted The system is also com posed of three rotation points for accurate positioning of the device s acoustical output Accuracy and precision a curved rail on the top part allows the fast switch from the cheek to the tilt position The required 15 angle for the tilt position can be easily checked thanks to a printed scale on the curved rail with a tolerance of 1 The correct position can be determined easily thanks to an additional tool with a pointer The top part of th
14. iquid for additional frequencies Additional required equipment Network emulator BS simulator power meter power amplifier and signal generator Related services Probe calibration installation and training extended warranty system customization upon request Ethernet OPENSAR software GPIB Ethernet RS 232 A A v D 4 Network Voltmeter emulator COMPLIANT COMOSAR bench has been developed to perform SAR measurements for the certification of handsets in full compliance with the international standards in force It is available with a range of additional equipment and accessories to cover all needs with regard to these Standards FLEXIBLE SET UP COMOSAR can be delivered with one or two phan tom tables The tables can be used for most available SATIMO phantoms SAM or Elliptic as well as for HAC equipment TWIN configuration is particularly useful to perform measurements on several frequencies without having to change the liquid The already extensive list of instrumentation drivers developed in the OPENSAR software including R amp S Anritsu Agilent Willtek Wavetek equipments can include additional drivers upon request to integrate any available instrumentation on the market signal generator power meter base station simulator or vector network analyser Other specific software developments can also be made upon request REDUCE MEASUREMENT TIME SATIMO has also implemented
15. istics Shell thickness 2 mm 0 2 mm Filling volume 25 L Dimensions 600 mm X 400 mm X 200 mm Permittivity 4 4 Loss tangent 0 017 IEC 62 209 2 Elliptic Phantom BASE STATION FLAT PHANTOM Technical amp mechanical characteristics Shell thickness 6 mm 0 2mm Filling volume 50 L Dimensions 800 mm X 500 mm X 200 mm Permittivity 4 4 Loss tangent 0 017 EN50383 Base station flat phantom CUSTOM FLAT PHANTOMS SATIMO develops custom flat phantoms for the spe cial needs of its clients such as the body flat phantom The main advantage of using a perfectly fitted phan tom is the lower amount of liquid needed Indeed whereas a bigger phantom can suit both base station and body measurement applications the body flat phantom requires between 2 to 12 times less liquid depending on the tested device Example ofa custom phantom made for a handset manufacturer Technical amp mechanical characteristics Shell thickness 2 mm 0 2 mm Filling volume 10L Dimensions 340 mm X 240 mm X 200 mm Permittivity 3 3 Loss tangent 0 02 gt Positioning systems Product category Device positioning system for SAR and HAC measurements Function e Positions handset larger telecommunication terminals and BSA for SAR and HAC measurements The handset positioning system developed by SATIMO complies with the standards in force for SAR and HAC measurements User profile e SAR and HAC bench users R
16. line sections e It measures the reflection coefficient with respect to the open circuit end using a network analyzer e It is wide band The software e It includes information on calibration and parameters of the VNA for the applicable frequency band It determines the measurement value in function of the frequency e It updates automatically the values in the OPENSAR SW or exports the values in a text file e It gives directly the deviation from the target value in order to quickly verify that the liquid properties are within the acceptable range IEC IEEE FCC gt Probes E field probe SATIMO s field detection probes are composed of three orthogonal dipoles or loops linked to special Schottky diodes with low detection thresholds The probes allow the measurement of electric or magnetic fields in liquids or in the air as defined in the standards H field probe T coil probe Product category e Field probe Function e Measures field in SAR and HAC benches User profile e SAR and HAC bench users Frequency bands e 30 MHz to 6 GHz Related standard e IEEE 1528 FCC OET Bulletin 65 Ed 97 01 supplement C IEC 62209 1 IEC 62209 2 EN 50361 2001 EN 50383 ANSI 63 19 Related services e Calibration A SET OF HIGH PERFORMANCE PROBES TO PERFORM SAR AND HAC MEASUREMENTS range of E and H field probes are available from 30 MHz to 6 GHZ
17. lowing formula SAR W Kg oE V m p Sigma o being conductivity of the liquid and rho p the density of the liquid Finally from the measured E field values the SAR distribution the 1g and 10g mass averaged SAR values are calculated WHAT ARE HAC MEASUREMENTS The use of mobile phones together with hearing aid devi ces can cause interferences For this reason the Federal Communications Commission FCC has required that mobile phone compatibility with hearing aid devices be measured This compatibility must be measured in the two modes commonly used by the hearing aid micro phone mode and telecoil mode The FCC has Set ratings in order to calculate the risks of interference e M Ratings concern the microphone mode e T Ratings concern the telecoil mode The American National Standards Institute adopted the ANSI C63 19 standard in 2001 According to the FCC a large percentage of mobile phones marke ted by each manufacturer should be HAC compatible M3 4 and T3 4 rating HOW DO WE DEFINE HAC RATING The HAC rating is measured in two steps e RF test HA microphone mode measure the near field electric and magnetic fields emitted by the phone using an E field and H field miniature probe e Audio test HA telecoil mode measure the magnetic fields emitted by the phone using a T coil probe gt COMOSAR bench COMOSAR TWIN configuration Product category e SAR measurement bench Function
18. oltz coll Product category Helmholtz coil Function e T coil probe calibration T coil probre assessment User profile e HAC bench users Related standard e ANSI C63 19 Technical amp mechanical characteristics Coil turns 20 Coil resistance 1 655 O Shunt resistance 1000 Sensitivity for 1V H 1A m Coil diameter 286 mm Wire diameter AWG24 Connector BNC female 1 H N U R r V 1 255 with N 20 number of coil R 100 shunt resistance r 143 mm coil radius Telephone Product category M a Q N etic Telephone egress Field Simulator Field Simulator lt 2 e T coil probe assessment TM FS User profile e HAC bench users Related standard e ANSI C63 19 Technical amp mechanical characteristics TMFS size 8 8 cm Coil turns 10 Coil diameter 38 4 mm Coil width 3 mm Wire diameter AWG30 Connector BNC female gt Liquids Product category Liquids Function e Simulates the human head and body tissues User profle e SAR bench user Technical amp mechanical characteristics SAR dipoles SATIMO s liquids are compliant with the international SAR measurement standards In order to facilitate handling and cleaning our liquids only use sugar when it is absolutely necessary Related standard e IEEE 1528 FCC OET Bulletin 65 Ed 97 01 supplement C IEC 62209 1 IEC 62209 2 EN 50361 2001 CTIA 2 2 appendix C 3 for 835 and
19. r major standards the IEEE 1528 and the IEC 62209 In 2008 the IEC 62209 2 is expanding the scope of the standard IEC 62209 1 to the frequency range of 30 MHz to 6 GHz It will also address a broader category of devices such as laptops or PDAs For base station testing the European EN 50383 Standard concerns the calculation and measurement of electromagnetic field strength and SAR related to human exposure from radio base stations and fixed terminal sta tions for wireless communication 110 MHz to 40 GHz HOW DO WE MEASURE SAR VALUES The SAR values are complex to measure as the penetration of energy within human tissues depends on many factors such as the type of the phone the shape of the user s head or the frequency For this reason SAR measurements are performed in laboratory using specific instrumentation defined in the standards head phantom liquid E field probe The measurement process consists in using a scanning system to measure the internal E field distribution in a phantom model filled with liquid The shape of the head and the liquids simulate the human head and tissue The device under test emits at maximum power and is posi tioned according to the procedure of the standards The E field value is measured with a miniature E field probe Indeed E field probes are the most appropriate sen sor to measure the SAR due to their sensitivity and fast time response The E field is calculated using the fol
20. several SW features to enhance the measurement speed e The control of the radio tester allows the measurement of the 3 channels simultaneously through inter channel handover e Adaptive path algorithm reduces the number of points measured during the area scan db Vector network analyser p gt Signal generator Power meter e 3D truncation algorithm quickens the zoom scan process As a result the combination of these algorithms brings measurement time for one channel down to 1 minute and for 3 channels down to 2 minutes for one handset in a given position REDUCE MEASUREMENT UNCERTAINTIES All components of the COMOSAR System have been designed to facilitate the exact positioning of the probes and the phantoms as well as the Devices Under Test DUT A Video Positioning System VPS ensures the probes position at 0 1mm The VPS is fixed on the table plate during the installation process It allows measurement of the exact dimensions of the probe to make sure that it is perfectly positioned e The handset positioning system includes two rails with a precision gt 1 The switch from the tilt to the cheek position IS possible in 1 move e OPENSAR includes a module to measure the dielectric properties of the liquid The module enables the liquid characteristics to be checked and potential deviation over time to be measured e The probes are made of high permittivity material to minimize E field di
21. sturbance Hence it is possible to perform measurements without any amplification OPENSAR SW OPENSAR software has been developed to perform SAR standard compliant measurements It is part of SATIMO s COMOSAR bench and controls all the instrumentation delivered with this bench In addition OPENSAR can easily integrate additional drivers upon customer request OPENSAR software also uses optimized algorithms particularly useful for the development phase of handset design Product category Related standard e Software e IEEE 1528 FCC OET Bulletin 65 Ed 97 01 supplement C IEC 62209 1 IEC 62209 2 F unc tio n EN 50361 2001 EN 50383 Controls COMOSAR test bench instrumentation Optional additional modules for both certification and fast R amp D measurements e Liquid measurement User profile e SAR bench users MAIN FUNCTIONS OPENSAR is a user friendly interface to supervise the proper functioning of the system e Configures measurement once the measurement parameters have been defined they will be loaded automatically e Imports handset 3D files to be used by the interface DDS IGES STEP a Defines easily the probe path and resolution in plane and volume mode Generates Word reports automatically and customizes the format of these reports e Compares FDTD simulation CST format with measurement data in one interface e Gives views of E field amplitude in 3 mo
22. th in the audio band e T coil mode magnetic signal frequency response through the audio band e T coil mode magnetic signal and noise articulation index HAC positioning system Allows the correct positioning of the handset in relation to the tip of the probe FULLY AUTOMATED SOFTWARE e All the instrumentation and data acquisition Is managed via Bus GPIB Ethernet or RS 232 from the system PC e Configuration files phantom probe measurement parameters are user definable e Easy to learn and user friendly user manual 3D visualization e Automatic report generation max E amp H valves cells automatically excluded in accordance with C63 19 magnetic field strength axial and radial calculation signal quality calculation and frequency response curve data e Possibility to add automatic custom report generation Technical characteristics of validation dipole Please refer to dipole validation sheet on P22 Technical characteristics of E field and T coil probes Please refer to probe sheet on P14 Technical characteristics of audio data acquisition Specification Resolution 24 bit Dynamic range 118 dB Sampling rate 204 8 Ks s Bandwidth 1 1 and 1 3 octave Weighting Linear and A weighting Interface PCI card Hardware requirements Advised 17 screen PC Pentium 2 4 GHz Cable link 1 LAN Ethernet Operating system Windows 98 2000 XP RAM 512 MB 1 GB recommended Software MS Word
23. tire measurement chain functions correctly according to the standards For SAR measurement One frequency band corresponds to each dipole Each dipole is totally symmetrical made with o 4 balaun CW signals are sent through dipoles in order to make measurements with phantom filled with human equivalent liquid For HAC measurement For HAC three broadband dipoles are available Product category Related standard Dipole e IEEE 1528 FCC OET Bulletin 65 Ed 97 01 supplement C IEC 62209 1 IEC 62209 2 F unctio n EN 50361 2001 ANSI C63 19 Validates the overall set up of the system Related equ ip ment e COMOSAR bench HAC bench User profile e SAR and HAC bench users Technical amp mechanical characteristics SAR dipoles Frequencies Adaptation Connectors Dimensions 300 450 835 900 1450 1800 1900 1950 2000 2450 3000 3500 3700 5000 6000 MHz S11 lt 20 dB in specified validation Position SMA Length depends on dipole frequency Technical amp mechanical characteristics HAC dipoles Broadband dipoles Adaptation Connectors Dimensions 800 950 MHz 1700 2000 MHz and 2000 2650 MHz S11 lt 10 dB in specified validation Position SMA Length depends on dipole frequency HAC validation dipole The dipoles can be easily fixed to the SATIMO device positioning system gt HAC accessories for audio validation Helmh
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