蓝牙耳机生产测试方法及标准.docx

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

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

RefereneeList:

RefereneeList

Name

Author

No

Date

Position

Press

1TestProcedure

BeforestartATE,engineershouldcheckandenterappropriatevaluesinsettingenvironment.

ManualSettings

Softwareversionnumber,eg“0131213”

Upperandlowerlimitforeachtestitems

StartedandstoppedBluetoothaddressrange

RFtestprobeandcablelostforcalibrationandcompensation

StationRequirement

Ineachstation,ATEneedtoread,compareanddisplaythesoftwareversionnumber,which

isstoredinPSKey0x02B6.Itisa16bits,4digitsBCD,eg6AA5”

Alltestitemsshoulddisplayonthescreen

Eachproductiondayhavealogfileforeachstation.EachlogfileincludesallsamplesserialnoorBTaddresswithcorrespondingtestingdata.ThefileisinASCIIformat.Eachtestitemplacedinonecolumn.Filenamemustincludethestationno,dateandtimeforreferenee.

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]

CheckPIOandAIO

-InputthePIO（0-10）pins010101010101,readthelogicfromPIOandverify.

-Repeattheaboveandinvertthelo舒c（101010101010）.readthelogicfromPIOandverify.[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,voltageandcu