蓝牙耳机生产测试方法及标准.docx
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蓝牙耳机生产测试方法及标准
Productname
Confidentialitylevel
BluetoothHeadset
Open
Productversion
Total16pages
Draft
ProductTestSpecificationfor
BluetoothHeadset
Preparedby
Lishuzheng
Date
2013-12-13
Reviewedby
Date
Approvedby
Date
Authorizedby
Date
forinternaluseonly
ChangeHistory
Date
Ver.
Description
Author
2013/12/13
Draft
Initialversion
Lishuzheng
ContentsTables
1TestProcedure6
1.1Station1ModuleDownload6
1.2Station2Modulefunctionaltest（Freqtrim,PIO,AIO,voltageandcurrent）
6
1.3Station3ModuleRFTest（Conductedtest）7
1.4Station4MainBoardPCBAfunctionaltest（PIOAIO,voltageandcurrent）...7
1.5Station5MainboardPCBARFtest（conductedtest）8
1.6Station6MainboardPCBARFtest（Couplingtest）9
1.7Station7Acoustictestaftercasing9
1.8Station8ProductRFSensitivityTest10
2Specification11
2.1StationIModuleDownload11
2.2Station2Modulefunctionaltest（Freqtrim,PIO,AIO,voltageandcurrent）
11
2.3Station3ModuleRFTest（conductedtest）11
2.4Station4MainBoardPCBAFunctionaltest（PIO,AIO,voltageancurrent）..12
2.5Station5MainBoardPCBARFTest（conductedtest）12
2.6Station6MainBoardPCBARFTest（couplingtest）13
2.7Station7Acoustictestaftercasing14
2.8Station8ProductRFSensitivityTest15
3ProductSpecificationElectricalParameterschecklist15
3.1Currenttest15
3.2Audiotest15
3.3Acoustictest16
3.4Rangetest16
3.5Powermanagement16
3.6Other16
Word资料
ProductTestSpecification
Keywords：
BluetoothHeadset,PCBA,RFtest,Acoustic
Summary：
ThetestspecificationforFunction,RFtest,PCBAtestandacoustictest
ReferenceList
ReferenceList
Name
Author
No
Date
Position
Press
1TestProcedure
BeforestartATE,engineershouldcheckandenterappropriatevaluesinsettingenvironment.
ManualSettings
Softwareversionnumber,eg“20131213”
UpperandlowerlimitforeachtestitemsStartedandstoppedBluetoothaddressrange
RFtestprobeandcablelostforcalibrationandcompensation
StationRequirement
Ineachstation,ATEneedtoread,compareanddisplaythesoftwareversionnumber,whichisstoredinPSKey0x02B6.Itisa16bits,4digitsBCD,eg“6AA5”
Alltestitemsshoulddisplayonthescreen
Eachproductiondayhavealogfileforeachstation.EachlogfileincludesallsamplesserialnoorBTaddresswithcorrespondingtestingdata.ThefileisinASCIIformat.Eachtestitemplacedinonecolumn.Filenamemustincludethestationno,dateandtimeforreference.
1.1Station1ModuleDownload
-Measurecurrentconsumptionat3.3V
-Downloadandverifythesoftware（includeapplicationandtestmode,ortestmodeonly）
1.2Station2Modulefunctionaltest（Freqtrim,PIO,AIO,voltageandcurrent）
Checkcurrentconsumption
-Feeda3.3Vsupplytothe3.3Vinput.Measurethe3.3Vinputcurrentandmeasurethevoltageat1.8Voutputfromthemodule.[Savethecurrentandvoltagetologfile]
Frequencytrim
-ControltheDUTtotransmitaCWatChannel39（2441MHz）,adjusttheCrystalfrequencytrimvaluetomeetthetarget.WritethecorrectvalueintoPSkey0x01F6（e.g.0x0026）,thenresetDUTandverify.[Savethevalueinlogfile]
CheckPIOandAlO
-InputthePIO（0-10）pins010101010101,readthelogicfromPIOandverify.
-Repeattheaboveandinvertthelo舒c（101010101010）.readthelogicfromPlO
andverify.[Savetheresulttologfile]
-InputtheAIO（O-I）pinsatl.5V（don't>I.75V）,readthelevelformAlOandverify.[Savethereadingstologfile]
CheckAudiopath
SetDUTintoPCMLoopbackmode.Feed1kHz,5mVrmstomicinputandmeasure,thespeakeroutputlevel.[Savethespeakerleveltologfile]
1.3Station3ModuleRFTest（Conductedtest）
-EnabletheDUTtoenterBluetoothTestModebyusing"RFCLI.EXE"command
-SetthemeasuringconditionofE1852Baccordingthefollowingsetting.
RFTest（Conducted）
Transmittertest
Conditions:
-Carrier:
0
-Packettype:
DHI
-Packetlength:
27
-Pollperiod:
10
-RFlevel:
-50dBm
-DatafordeltaF2:
BS55（10101010）
-DatafordeltaFl:
BSOF（00001111）
-Meas.Averagingfactor:
100（maybelessforfastrespond）
-Couplingloss:
0dB
Measure:
-AveragePower
-Freq.Offset
-Freq.Drift
-Freq.Drift/Rate
-Avg,DeltaF2max
-Avg,DeltaF1max
-PacketErrorRate（PER）
-BitErrorRate（BER）
LoopbackTest
Conditions:
-Whitening:
Enable
-RFlevel:
-75dBm
-Modulationindex:
0.32
-No.ofbits:
10000
Measure:
-BitErrorRatc（BER）
-PacketErrorRate（PER）
RepeattheabovetestforCarrier39,78
1.4Station4MainBoardPCBAFunctionaltest（PIOAIO,voltageandcurrent）
Supply3.7VtotheBAT+toGND
CheckPlOandAIO
InputdifferentlogictoPIO（0-11）whentherearetestpad,readallPIOandverify.ForBTHSClip:
-PIO（8,10,）isDON'TCARE
-OnlytestpadsforPlO（9）.
-ThelogicofPIO（6）isinverted.itstestpadsis"MFB"
-ReadandverifyAIO（0）.AIO
（1）isDon'tCare.
ForBTRadio:
-TBD
CheckAudiopath
SettheDUTtoPCMloopbackmode.FeedlkHz,5mVrmstomicinputandmeasurethelevelfromthespeakeroutput.
Checkcurrentconsumption
MeasureOffCurrent
-ResetDUT,measuretheinputcurrentat3.7V
MeasureStandbyCurrent
-EnableDUTtoReceivemode（RXSTARTIat2442MHz）.
-McaSUrctheinputcurrentat3.7V
MeasureOperationCurrent
-EnableDUTtotransmitmode（TXSTARTat2442MHz）.
-Measuretheinputcurrentat3.7V.
MeasureChargingCurrent
-ConnectaElectronicLoadtoBAT+toGND.SettheE-Ioadtodrawconstantcurrentof75mA.Feed5VtoDC+toGND.Measurethecurrentat5V.
1.5Station5MainboardPCBARFtest（conductedtest）
RFTest（conducted）
Transmittertest
Conditions:
-Carrier:
0
-Packettype:
DHI
-Packetlength:
27
-Pollperiod:
10
-RFlevel:
-50dBm
-DatafordeltaF2:
BS55（10101010）
-DatafordeltaFl:
BSOF（00001111）
-Meas.Averagingfactor:
100（maybelessforfastrespond）
-Couplingloss:
0dB
Measure:
-AveragePower
-Freq.Offset
-Freq.Drift
-Freq.Drift/Rate
-Avg,DeltaF2max
-Avg,DeltaF1max
-PacketErrorRate（PER）
-BitErrorRate（BER）
LoopbackTestConditions:
-Whitening:
Enable
-RFlevel:
-75dBm
-Modulationindex:
0.32
-No.ofbits:
10000
Measure:
-BitErrorRatc（BER）
-PacketErrorRate（PER）
RepeattheabovetestforCarrier39,78
1.6Station6MainboardPCBARFtest（Couplingtest）
-Testitemsmaybedecreasedinthefuture.
RFTestcoupling
FixtureandDUTmustbeinShieldBox.
Transmittertest
Conditions:
-Carrier:
0
-Packettype:
DHI
-Packetlength:
27
-Pollperiod:
10
-RFlevel:
-50dBm
-DatafordeltaF2:
BS55（10101010）
-DatafordeltaFl:
BSOF（00001111）
-Meas.Averagingfactor:
100（maybelessforfastrespond）
-Couplingloss:
0dB
Measure:
-AveragePower
-Freq.Offset
-Freq.Drift
-Freq.Drift/Rate
-Avg,DeltaF2max
-Avg,DeltaF1max
-PacketErrorRate（PER）
-BitErrorRate（BER）
LoopbackTest
Conditions:
-Whitening:
Enable
-RFlevel:
-75dBm
-Modulationindex:
0.32
-No.ofbits:
10000
Measure:
-BitErrorRate（BER）
-PacketErrorRate（PER）
RepeattheabovetestforCarrier39,78
WritePSKeytoflashmemory
-AfteralltesteditemsarePASS:
-Writeaunique48bitsBluetoothaddressintoPSKeyOx0001.
-WriteOx000toPSKeyOxOIF9（SetHostInterfacetoNoHost）
-WriteOx000toPSKeyOx025D（EnableVM）
1.7Station7Acoustictestaftercasing
1.SettingtheBatteryvoltaget04.10V--4.24V,adjusttheChargervoltageTrimvaluetomeetthetarget.WritethecorrectvalueintoPSKey0x03b7,thenresetDUTand
verify.[Savethevalueinlogfile]
Settingchargingvoltageto5V,
2.ThevoltageofVBATpinmustbewithin3.8--4.6Vwithoutbattery.
AcousticTest
-Testingmustbeinshieldroomandsilentroom.
-Aftercasingassembly,useCasiraforAudioGateway.PairingtheBTheadsetandcarry
outacoustictest.MeasureTXandRXloudnessand
1.8Station8ProductRFSensitivityTest
ProductRFsensitivity<=-70dBm
Testingrequirement:
N4010,ShieldboxandcomputerwithSPI
Testingmethod:
1）PressMFBandthenplugcharger,thenreleaseMFB,thenpress
2）LEDwillflashpurple.
3）PuttheDUTonthetestjiginsidetheshieldbox.Closetheshieldbox.
4）SetupforN4010
ThesettingofthetestershouldbehoppingON
i.Mode->LossComp->ApplyLossCompensation”V”->FixLosstodesired“DB”（R&D
willprovideonereferencesampleforcalibration.Ifnotprovided,pleaseuseB3040neforcalibration）Therefore.theFixLossshouldbesetbycalibration.Config->EUT->InquiryProcedure->whileBTaddressisshownontheScreen->SelectandReturnBDA
ii.Test->Activeto"3"->Select“SingleSlotSensitivity"
iii.Edit->TestMode/Pkt/Pwr->Type=HV3;SetTransmitPowert070“
5）Toseetheresult:
Results->Select"SingleSlotSensitivity"->DetailedResults
IfBER<=0.1
RecordtheTransmitPower.Thisisthesensitivity.
IfBER>0.1
IncreasetheTransmitPowerin4）-ivuntilBER<=0.1.
OtherTest
Chargers
Allchargersmustbefullchecked.
Measureoutputvoltage
andcurrentfor
different
input
voltage.
Input100Vrms（AC）andconnectabe5Vand200mA.
load（250hm>2Wresistor）
attheoutput,
output
should
Input240Vrms（AC）andconnectabe5Vand200mA.
load（250hm>2Wresistor）
attheoutput,
output
should
RechargeableBatteries
AlltheLithium-ionPolymer（LIP）rechargeablebatterymustbefullcheckedbeforeproduction.Allbatteriesarechargeupby0.5Cthendischargebya480hmresistor.Measurethedischargingtimeuntilvoltageisdropp
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