笔记本电脑天线设计准则课件.pptx
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1、Confidential1Antenna design Guide and requirements Rev.110627Hardware Engineering Dept.2, Digital Products Development Center, TLConfidentialRevision recordRev. No.Item090303Initial issue090309Minor modifications101218Some antennas are removed. Criteria are updated.101221The Criteria for WiMAX AUX a
2、ntenna was changed.110415Add requirements for 3G/LTE antennaAdd 3G/LTE antenna list110627Add words for spec. of WWAN(3G/LTE) US Band8Add WWAN antenna list (WNC)Add WNC contact person ConfidentialPreface The purpose of this document is to specify Toshiba specific requirements to the BT/WLAN/WiMax/3G/
3、LTE Antenna for Toshiba notebook PCs. Since this document describes specific topics only and does not cover all the requirements completely, parties must confirm other requirements that are not described in this document with Toshiba. This document contains Toshiba confidential information. Parties
4、should agree to handle this document with care.ConfidentialAntenna Requirements (BT Antenna)Selection of AntennaThe Antenna must be chosen from the list, shown on this document. ODM shall select other vendors antennas if ODM can obtain the regulatory approval with the module to be used. In this case
5、, ODM must discuss with Toshiba in advance. The ODM or Antenna vendor shall do the antenna tuning.If module with built-in antenna is used, the built-in Antenna shall be used as is. Criteria Antenna performanceCoverage of Antenna should be In 2.4-2.5GHz, = 60% against -8dBi gain. The calculation of c
6、overage shall be done as below. Measure the Vavg_gain, Havg_gain of BT antenna on the PC in Azimuth surface having the LCD opened Calculate the area that the measured gain (Vavg_gain&Havg_gain) exceeds the required antenna gain (-8dBi). (Refer to the picture below)VSWR = 80% against -10.5dBi gain fo
7、r 2x2 AntennasIn 2.400-2.497GHz, =100%against -10.5dBi gain for 3x3 AntennasIn 5.150-5.825GHz, =70% against -9.19dBi gain for 2x2 AntennasIn 5.150-5.825GHz, =90% against -9.19dBi gain for 3x3 Antennas The calculation shall be done as below Measure the Vavg_gain, Havg_gain of each antenna on the PC i
8、n Azimuth surface having the LCD opened Calculate the area that the measured gain (of all antennas) exceeds the required antenna gain VSWR =-3.5dB(44.7%) : for Main, =-5dB(31.6%) : for AUXIn 2.300GHz-2.400GHz (if supported),= -3.9dB(40.7%) : for Main , =-5dB(31.6%) : for AUXIn 3.300GHz-3.800GHz (if
9、supported),=-4.4dB(36.3%) : for Main , =-5dB(31.6%) : for AUXAntenna peak gain For Japan model 2dBi, For Rest of the models -4dBThe directivity is preferred to be upward when the LCD is opened (at 110 degree)Antenna Efficiency dB* Support Band8(900MHz) for US model as well, but meeting the spec. is
10、not mandatoryConfidentialAntenna Requirements (WWAN(3G) Antenna)Required Data (which must be submitted to Toshiba)Submit Efficiency of each band of frequencySubmit the peak gain of each band of frequencyOthersRecommended cable length is 400mm 500mmIf cable length is longer than 500mm, achieving the
11、required performance might be difficult. if the module is located near by the hinge that cable length shall be shortenedCable should be routed avoiding possible noise sources on the system.Selection of AntennaThe Antenna shall be chosen from the list, shown on this document or ODM shall select other
12、 vendors antennas. Criteria for Antenna performanceThe following table shows the criteria for 3G/LTE antenna performance. There are 2 regions. ODM should confirm with Toshiba which region should be supported.If GPS is supported with 3G/LTE module, the AUX Antenna must support GPS band as wellThe eff
13、iciency at GPS band should be -4dBThe directivity is preferred to be upward when the LCD is opened (at 110 degree)Antenna Requirements (WWAN(3G/LTE) Antenna)ConfidentialAntenna Efficiency dB* Support Band8(900MHz) for US model as well, but meeting the spec. is not mandatoryConfidentialAntenna Requir
14、ements (WWAN(3G/LTE) Antenna)Required Data (which must be submitted to Toshiba)Submit Efficiency of each band of frequencySubmit the peak gain of each band of frequencyOthersRecommended cable length is 400mm 500mmIf cable length is longer than 500mm, achieving the required performance might be diffi
15、cult. if the module is located near by the hinge that cable length shall be shortenedCable should be routed avoiding possible noise sources on the system.ConfidentialAntenna Requirements (GPS Antenna)Selection of AntennaThe Antenna shall be chosen from the list, listed on this document or ODM shall
16、select other vendors antennas. Criteria for Antenna performanceThe directivity is preferred to be upward when the LCD is opened (at 110 degree) The efficiency at GPS band should be -4dBRequired Data (which must be submitted to Toshiba)Radiation patternAntenna efficiencyAntenna vendor informationHita
17、chi CableAgent(JP)Masayasu Sugimotosugimoto1267tbk.co.jpSales(JP)Kosuke Kodamakodama.kosukehitachi-cable.co.jpTechnical(JP) Yuki Yamamotoyamamoto.yuukihitachi-cable.co.jpConfidentialTyco AMPMarketing(TWN)Chang, SSales (JP) Yoshihiro TTechnical (Beijing)Yoshinao T Technical (Beijing)Ahang, Johnson JA
18、CON (ADVANCED-CONNECTEK INC)Technical(TWN)Allen.Hsiao 蕭富仁Marketing (TWN)Amanda Chang 張綺唯 Sales (JP) Ben Liu 劉中一Antenna vendor informationWistron NeWeb CorporationContact person(TWN)Minnie ChenM.twConfidentialConfidentialModel name and support frequencyWireless LAN onlyNo. HitachiTyco FrequencyRefere
19、nce01HFT60TBN0032.4-2.5 and 5.1-5.85GHzFor Mg/plastic housingNo. HitachiTyco FrequencyReference01HBY0512.3-2.7 and 5.1-5.85GHz Standard W=22mm02TBN0072.3-2.7 and 3.1-3.8 and 5.1-5.85GHz Full band Standard W=22mm03HBY17TBN0092.4-.2.7GHz and 5.1-5.85GHz High Performance W=25mm04TBN0102.4-.2.7GHz and 5
20、.1-5.85GHz High Performance W=25 Wireless LAN & WiMAX Bluetooth & Wireless LAN (11bgn only)No. HitachiTyco FrequencyReference01 HFS23TBN0042.4-2.5 GHz for Mg/plastic housingConfidentialMounting AreaDo not mount any metallic material in the area of radiation element Space between AntennaDo not mount
21、any metallic material within 10mm from edge of the left and right sideCondition of Antenna placementHeight of RadiatorLCDLCD CoverReserve the height larger than radiatorLCD coverMetal coat/Mg LCDIf the distance is less than 10mm Contact with RF engineer10mm or moreConfidentialOtherDo not route cable
22、/metallic parts over the radiatorDo not bend the cable beyond 60 degreeConfirm that the regulatory approval is obtain with the combination of module usedAntenna cable length must be 306mm or longerIn the case of WiMax Antenna shorter length (ie 306mm=cable length 500mm) is preferredIn the case of 3G
23、 Antenna the shortest cable is preferredAvoid placing the Transmitting antenna less than 20cm from human body. If distance is less than 20cm, additional regulatory test (FCC System Certification) is needed. This will require additional cost and time.Condition of Antenna placementConfidentialWiMAX /
24、WLAN / BT Antenna(Hitachi Cable)ConfidentialBluetooth & Wireless LAN (11bgn only) Model/DrawingShape/SizeHeight of radiatorSupported moduleHSF235.5mm (Reserve more than 6mm space) Intel Condor Peak/ Rainbow Peak 1/ Crane Peak 100/Crane Peak130Atheros HB93/HB95/HB97/WB195Realtek RTL8191SE/RTL8188CEBr
25、oadcom BCM4313+BCM207015mm30mm5.5mmAntenna Type and Supported (Approved) modulesConfidentialAntenna Type and Supported (Approved) modulesWireless LAN onlyModel/DrawingShape/SizeHeight of radiatorSupported module(*1)HFT605.5mm(Reserve more than 6mm space) Intel Corp.: Taylor Peak /Condor Peak/ Rainbo
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