藍(lán)牙耳機(jī)生產(chǎn)測(cè)試方法及標(biāo)準(zhǔn)

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

TOC\o"1-5"\h\z

\o"CurrentDocument"

TestProcedure 6

\o"CurrentDocument"

Station1ModuleDownload 6

\o"CurrentDocument"

Station2Modulefunctionaltest(Freqtrim,PIO,AIO,voltageandcurrent) 6

\o"CurrentDocument"

Station3ModuleRFTest(Conductedtest) 7

\o"CurrentDocument"

Station4MainBoardPCBAfunctionaltest(PIOAIO,voltageandcurrent) 8

\o"CurrentDocument"

Station5MainboardPCBARFtest(conductedtest) 9

\o"CurrentDocument"

Station6MainboardPCBARFtest(Couplingtest) 10

\o"CurrentDocument"

Station7Acoustictestaftercasing 11

\o"CurrentDocument"

Station8ProductRFSensitivityTest 11

\o"CurrentDocument"

Specification 12

\o"CurrentDocument"

StationIModuleDownload 12

\o"CurrentDocument"

Station2Modulefunctionaltest(Freqtrim,PIO,AIO,voltageandcurrent) 12

\o"CurrentDocument"

Station3ModuleRFTest(conductedtest) 13

\o"CurrentDocument"

Station4MainBoardPCBAFunctionaltest(PIO,AIO,voltageancurrent) 14

\o"CurrentDocument"

Station5MainBoardPCBARFTest(conductedtest) 14

\o"CurrentDocument"

Station6MainBoardPCBARFTest(couplingtest) 15

\o"CurrentDocument"

Station7Acoustictestaftercasing 16

\o"CurrentDocument"

Station8ProductRFSensitivityTest 16

\o"CurrentDocument"

ProductSpecificationElectricalParameterschecklist 17

\o"CurrentDocument"

Currenttest 17

\o"CurrentDocument"

Audiotest 17

\o"CurrentDocument"

Acoustictest 17

\o"CurrentDocument"

Rangetest 18

\o"CurrentDocument"

Powermanagement 18

\o"CurrentDocument"

Other 18

ProductTestSpecification

Keywords：BluetoothHeadset,PCBA,RFtest,Acoustic

Summary：ThetestspecificationforFunction,RFtest,PCBAtestandacoustictest

ReferenceList：

ReferenceList

Name

Author

No

Date

Position

Press

TestProcedure

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.

Station1ModuleDownload

-Measurecurrentconsumptionat3.3V

-Downloadandverifythesoftware(includeapplicationandtestmode,ortestmodeonly)

Station2Modulefunctionaltest(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]

Station3ModuleRFTest(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

Station4MainBoardPCBAFunctionaltest(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.

Station5MainboardPCBARFtest(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

Station6MainboardPCBARFtest(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)

Station7Acoustictestaftercasing

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

Settingchargingvoltageto5V,

2.ThevoltageofVBATpinmustbewithin3.8--4.6Vwithoutbattery.

AcousticTest

-Testingmustbeinshieldroomandsilentroom.

-Aftercasingassembly,useCasiraforAudioGateway.PairingtheBTheadsetandcarryoutacoustictest.MeasureTXandRXloudnessand

Station8ProductRFSensitivityTest

ProductRFsensitivity<=-70dBm

Testingrequirement:N4010,ShieldboxandcomputerwithSPI

Testingmethod:

PressMFBandthenplugcharger,thenreleaseMFB,thenpress

LEDwillflashpurple.

PuttheDUTonthetestjiginsidetheshieldbox.Closetheshieldbox.

SetupforN4010

ThesettingofthetestershouldbehoppingON

Mode->LossComp->ApplyLossCompensation ”V”->FixLosstodesired “DB”

(R&Dwillprovideonereferencesampleforcalibration.Ifnotprovided,pleaseuseB3040neforcalibration)Therefore.theFixLossshouldbesetbycalibration.Config->EUT->InquiryProcedure->whileBTaddressisshownontheScreen->SelectandReturnBDA

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

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

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

Specification

StationIModuleDownload

Downloadandverification:ShouldbePASSED

Station2Modulefunctionaltest(Freqtrim,PIO,AIO,voltageandcurrent)

Moduleturnoncurrent:

1mA-3mA(ForATESetup:0.2mA-4.5mA)

Moduleoutputvoltage:

1.75V-1.85V

Trimmedfreq.:

Trimmedvalue:

2441MHz+/-3kHz

0-63

PIO(0-10):

Pass

AIO(0):

0.9V–1.1V

錯(cuò)誤!未指定書簽。

Page12,Total18Pages

Audiooutputlevel:

0.1Vrms-0.5Vrms

(Micinput1kHz5mVrms)

Station3ModuleRFTest(conductedtest)

RFandaudiotest(conducted)

Carrier0

Items

Descriptions

Lowerlimit

Upperlimit

Units

AveragePower

-6

4

DBm

PeakPower

-6

4

DBm

Freq.Offset

-75

75

kHz

Freq.Drift

-25

25

kHz

Freq.DriftRate

-20

20

kHz/50us

Avg,DeltaF2max

115

175

kHz

Avg,DeltaFlmax

140

175

kHz

DeltaF2/DeltaF

0.75

1

-

PacketErrorRate(PER)

0

50

%

BitErrorRate(BER)

0

0.1

%

Carrier39

Items

Descriptions

Lowerlimit

Upperlimit

Units

AveragePower

-6

4

dBm

PeakPower

-6

4

dBm

Freq.Offset

-75

75

kHz

Freq.Drift

-25

25

kHz

Freq.DriftRate

-20

20

kHz/50us

Avg,DeltaF2max

115

175

kHz

Avg,DeltaFlmax

140

175

kHz

DeltaF2/DeltaF

0.75

1

-

PacketErrorRate(PER)

0

50

%

BitErrorRate(BER)

0

0.1

%

Carrier78

Items

Descriptions

Lowerlimit

Upperlimit

Units

AveragePower

-6

4

dBm

PeakPower

-6

4

dBm

Freq.Offset

-75

75

kHz

Freq.Drift

-25

25

kHz

Freq.DriftRate

-20

20

kHz/50us

Avg,DeltaF2max

115

175

kHz

Avg,DeltaFlmax

140

175

kHz

DeltaF2/DeltaF

0.75

1

-

PacketErrorRate(PER)

0

50

%

BitErrorRate(BER)

0

0.1

%

Station4MainBoardPCBAFunctionaltest(PIO,AIO,voltageancurrent)

PI0(0,1,2.3,6,9),LED(0,1):Pass

AIO(0):1.48V--1.7V

SpeakerLevel:0.2V-0.5V

(MicinputIkHz5mVnns)

OperationCurrent:10mA-22mA

OffModeCurrent: 0.1mA-0.4mA(ForATESetup:0.1mA 一3mA)

StandbyCurrent: 1.0mA-5mA

FastchargingCurrent:9mA-110mA

FullchargingCurrent:5mA-9mA

Station5MainBoardPCBARFTest(conductedtest)

RFandaudiotest(conducted)

Carrier0

Items

Descriptions

Lowerlimit

Upperlimit

Units

AveragePower

-8

4

dBm

PeakPower

-8

4

dBm

Freq.Offset

-75

75

kHz

Freq.Drift

-25

25

kHz

Freq.DriftRate

-20

20

kHz/50us

Avg,DeltaF2max

115

175

kHz

Avg,DeltaFlmax

140

175

kHz

DeltaF2/DeltaF

0.75

1.5

-

PacketErrorRate(PER)

0

50

%

BitErrorRate(BER)

0

0.1

%

Carrier39

Items

Descriptions

Lowerlimit

Upperlimit

Units

AveragePower

-8

4

dBm

PeakPower

-8

4

dBm

Freq.Offset

-75

75

kHz

Freq.Drift

-25

25

kHz

Freq.DriftRate

-20

20

kHz/50us

Avg,DeltaF2max

115

175

kHz

Avg,DeltaFlmax

140

175

kHz

DeltaF2/DeltaF

0.75

1.5

-

PacketErrorRate(PER)

0

50

%

BitErrorRate(BER)

0

0.1

%

Carrier78

Items

Descriptions

Lowerlimit

Upperlimit

Units

AveragePower

-8

4

dBm

PeakPower

-8

4

dBm

Freq.Offset

-75

75

kHz

Freq.Drift

-25

25

kHz

Freq.DriftRate

-20

20

kHz/50us

Avg,DeltaF2max

115

175

kHz

Avg,DeltaFlmax

140

175

kHz

DeltaF2/DeltaF

0.75

1.5

-

PacketErrorRate(PER)

0

50

%

BitErrorRate(BER)

0

0.1

%

Station6MainBoardPCBARFTest(couplingtest)

RFtest(coupling)

Carrier0

Items

Descriptions

Lowerlimit

Upperlimit

Units

AveragePower

-6

4

dBm

PeakPower

-6

4

dBm

Freq.Offset

-75

75

kHz

Freq.Drift

-25

25

kHz

Freq.DriftRate

-20

20

kHz/50us

Avg,DeltaF2max

115

175

kHz

Avg,DeltaFlmax

140

175

kHz

DeltaF2/DeltaF

0.75

1.5

-

PacketErrorRate(PER)

0

50

%

BitErrorRate(BER)

0

0.1

%

Carrier39

Items

Descriptions

Lowerlimit

Upperlimit

Units

AveragePower

-6

4

dBm

PeakPower

-6

4

dBm

Freq.Offset

-75

75

kHz

Freq.Drift

-25

25

kHz

Freq.DriftRate

-20

20

kHz/50us

Avg,DeltaF2max

115

175

kHz

Avg,DeltaFlmax

140

175

kHz

DeltaF2/DeltaF

0.75

1.5

-

PacketErrorRate(PER)

0

50

%

BitErrorRate(BER)

0

0.1

%

Carrier78

Items

Descriptions

Lowerlimit

Upperlimit

Units

AveragePower

-6

4

dBm

PeakPower

-6

4

dBm

Freq.Offset

-75

75

kHz

Freq.Drift

-25

25

kHz

Freq.DriftRate

-20

20

kHz/50us

Avg,DeltaF2max

115

175

kHz

Avg,DeltaFlmax

140

175

kHz

DeltaF2/DeltaF

0.75

1.5

-

PacketErrorRate(PER)

0

50

%

BitErrorRate(BER)

0

0.1

%

Station7Acoustictestaftercasing

AcousticTest

Items

Descriptions

Lowerlimit

Upperlimit

Units

MicrophoneTXatlkHz

-49

-41

dB

EarphoneAssembleatlkHz

104

119

dB

FinalunitRXatlkHz

109

119

dB

Buzzersoundleaveat1kHz

75

100

dB(At10cm)

Microphonefrequencyrespondmask:

Freq/Hz

200

300

398

600

900

1000

1336

2000

3500

400

5000

Upperlimit

+5

+6

+6.8

+7

+4.8

+4

+2.5

+2.3

-5.0

-10.5

Lowerlimit

-6.2

-5.1

-4.4

-4.4

-4.3

-4.7

-8.3

-11.5

-14.5

-18.5

-21

CompleteEarpiecefrequencyrespondmask:

Freq/Hz

200

300

398

600

900

1k

2k

3k

4k

5k

Upperlimit

+5

+7.5

8.8

+9.8

+6

+5.3

-3.5

-10.5

-14.8

-22

Lowerlimit

-5.3

-3

-1.9

-1

-5.4

-6.5

-16

-23

-25

(3447Hz)

Station8ProductRFSensitivityTest

Forthesensitivity>-70dBmisconsideredtobeFailed.

Chargertest

1.Wheninput100Vrms(AC):

Outputvoltage:5V+/-0.25V

Outputcurrent: 200mA+/-10mA

2.Wheninput240Vrms(AC):

Outputvoltage:5V+/-0.25V

Outputcurrent:200mA+/-10mA

ProductSpecificationElectricalParameterschecklist

Currenttest