完整版蓝牙耳机生产测试方法及标准.docx

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完整版蓝牙耳机生产测试方法及标准.docx

完整版蓝牙耳机生产测试方法及标准

Productname

Confidentialitylevel

BluetoothHeadset

Open

Productversion

Total18pages

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)8

1.5Station5MainboardPCBARFtest(conductedtest)9

1.6Station6MainboardPCBARFtest(Couplingtest)10

1.7Station7Acoustictestaftercasing11

1.8Station8ProductRFSensitivityTest11

2Specification12

2.1StationIModuleDownload12

2.2Station2Modulefunctionaltest(Freqtrim,PIO,AIO,voltageandcurrent)12

2.3Station3ModuleRFTest(conductedtest)13

2.4Station4MainBoardPCBAFunctionaltest(PIO,AIO,voltageancurrent)14

2.5Station5MainBoardPCBARFTest(conductedtest)14

2.6Station6MainBoardPCBARFTest(couplingtest)15

2.7Station7Acoustictestaftercasing16

2.8Station8ProductRFSensitivityTest16

3ProductSpecificationElectricalParameterschecklist17

3.1Currenttest17

3.2Audiotest17

3.3Acoustictest17

3.4Rangetest18

3.5Powermanagement18

3.6Other18

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”

Upperandlowerlimitforeachtestitems

StartedandstoppedBluetoothaddressrange

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).readthelogicfromPlOand

verify.[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,measuretheinputcurrentat3.7VMeasureStandbyCurrent

-EnableDUTtoReceivemode(RXSTARTIat2442MHz).

-McaSUrctheinputcurrentat3.7VMeasureOperationCurrent

-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)

LoopbackTest

Conditions:

-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:

0Packettype:

DHIPacketlength:

27Pollperiod:

10RFlevel:

-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,DeltaF1maxPacketErrorRate(PER)BitErrorRate(BER)

LoopbackTest

Conditions:

Whitening:

Enable

RFlevel:

-75dBm

Modulationindex:

0.32

No.ofbits:

10000

Measure:

-BitErrorRate(BER)

-PacketErrorRate(PER)

RepeattheabovetestforCarrier39,78WritePSKeytoflashmemory

-AfteralltesteditemsarePASS:

-Writeaunique48bitsBluetoothaddressintoPSKeyOx0001.

-WriteOx000toPSKeyOxOIF9(SetHostInterfacetoNoHost)

-WriteOx000toPSKeyOx025D(EnableVM)

1.7Station7Acoustictestaftercasing

1.SettingtheBatteryvoltaget04.10V--4.24V,adjusttheChargervoltageTrimvaluetomeetthetarget.WritethecorrectvalueintoPSKey0x03b7,thenresetDUTandverify.[Savethevalueinlogfile]

Settingchargingvoltageto5V,

2.ThevoltageofVBATpinmustbewithin3.8--4.6Vwithoutbattery.

AcousticTest

-Testingmustbeinshieldroomandsilentroom.

-Aftercasingassembly,useCasiraforAudioGateway.PairingtheBTheadsetandcarryoutacoustictest.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&Dwillprovideonereferencesampleforcalibration.Ifnotprovided,pleaseuseB3040neforcalibration)Therefore.theFixLossshouldbesetbycalibration.Config->EUT->InquiryProcedure->whileBTaddressisshownontheScreen->SelectandReturnBDA

ii.Test->Activeto"3"->Select“SingleSlotSensitiviyt"

iii.Edit->TestMode/Pkt/Pwr->Type=HV3;SetTransmitPowert070“

5)Toseetheresult:

Results->Select"SingleSlotSensitivity"->DetailedResults

IfBER<=0.1

RecordtheTransmitPower.Thisisthesensitivity.

IfBER>0.1IncreasetheTransmitPowerin4)-ivuntilBER<=0.1.

OtherTest

Chargers

Allchargersmustbefullchecked.Measureoutputvoltageandcurrentfordifferentinputvoltage.

Input100Vrms(AC)andconnectaload(250hm>2Wresistor)attheoutput,outputshouldbe5Vand200mA.

Input240Vrms(AC)andconnectaload(250hm>2Wresistor)attheoutput,outputshouldbe5Vand200mA.

RechargeableBatteries

AlltheLithium-ionPolymer(LIP)rechargeablebatterymustbefullcheckedbeforeproduction.

Allbatteriesarechargeupby0.5Cthendischargebya480hmresistor.Measurethedischargingtimeuntilvoltageisdroppedto3V.Thedischargingtimeatleast2hours

2Specification

2.1StationIMo

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