Extreme temperatureparametric tests.docx

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Extreme temperatureparametric tests.docx

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Extreme temperatureparametric tests.docx

Extremetemperatureparametrictests

Spec.:

TestParametersindifferentclimaticconditions

Model:

Status:

SampleNo.:

Parametric:

Subjective:

H/W:

HS:

BS:

S/Wversion:

HS:

BS:

Environment:

Temp:

R.H.:

Testedby:

Date:

22-Jun-02

Reviewedby:

Date:

ReferenceNo.:

No.

Equipment

Model

FactoryNo.

Nextcalibrationdate

1

2

3

4

5

6

7

8

9

REMARK:

THEEXTREMETEMPERATURERANGEISDEPENDENTONTHEMODELWHICHMAYBEDIFFERENTTHAN0oCAND40oC

Testcondition:

2setsareforparametrictests&2setsforsubjectivetestsinthewholeworkingtemperaturerange(0oC,roomtemperatureand40oC75%RH)foratleast4hoursateachclimaticconditionincluding:

DCcharacteristics

DTMFfrequency&levelwithoutofbandsignals

Sending&receivinglevelanddistortion

Ringinglevel

LCDinfo.check

Subjectiveacousticcheck

SubjectiveHandsfreecheck

CLIdetection

Memorycheck(redial,CLIlist,..etc.)

Answeringmachine(ICM&OGMplay)

DECT:

-Volt.Level(VRF)inFP&PP

-Frequencyerror(fullchannel)

-Frequencydrift(fullchannel)

-Transmitpower(fullchannel)

-ReceivingSensitivity(fullchannel)

 

Duringtest,theproductsundersubjectivetestsshallbeinonhookconditionandpowered

IfwithACpoweradaptor,itshouldalsobeconnectedtoACmains,

Ifthebatterycompartmentisincluded,thebatteriesshallbeinsertedwithcorrectpolarity.

Itissuggesttoperformtheabovetestsinroomtemperaturefirst,then0oCconditionand40oCcondition.Makesurethattheproductsmustbeverifiedinsidethechamber(forsubjectivetests,itisallowedtoopenthechamberdoor,verifythetestsasquicklyaspossible)

IFSOMEPARAMETERSORSUBJECTIVETESTSAREFAILEDIN0oCcondition,PLS.REPEATTHETESTSIN5oCCLIMATICCONDITION

 

Results:

Parametriccheck:

1.DCCharacteristic:

a)Unit1(Sampleno.:

Loopcurrent(mA)

10

20

30

40

50

70

VoltageofTE(V)

Atdifferenttemperature

0oC

NormalTemperature

40oC

b)Unit2(Sampleno.:

Loopcurrent(mA)

10

20

30

40

50

70

VoltageofTE(V)

Atdifferenttemperature

0oC

NormalTemperature

40oC

 

2.DTMFfrequency,levelandout-of-bandDTMFharmonicsignals:

a)Unit1(sampleno.:

AtNormalTemperatureCondition:

feedingCONDITION

Highloopcurrentcondition(Rf=300ohm)

Lowloopcurrentcondition(Rf=2800ohm)

Digit

DTMF

Level(dBm)

Freq.(Hz)

Tol.(%)

Twist(dB)

Level(dBm)

Freq.(Hz)

Tol.(%)

Twist(dB)

1

Highgroup

Lowgroup

5

Highgroup

Lowgroup

9

Highgroup

Lowgroup

0

Highgroup

Lowgroup

At0oCcondition:

feedingcondition

Highloopcurrentcondition(Rf=300ohm)

Lowloopcurrentcondition(Rf=2800ohm)

Digit

DTMF

Level(dBm)

Freq.(Hz)

Tol.(%)

Twist(dB)

Level(dBm)

Freq.(Hz)

Tol.(%)

Twist(dB)

1

Highgroup

Lowgroup

5

Highgroup

Lowgroup

9

Highgroup

Lowgroup

0

Highgroup

Lowgroup

At40oC75%RHcondition:

feedingCONDITION

Highloopcurrentcondition(Rf=300ohm)

Lowloopcurrentcondition(Rf=2800ohm)

Digit

DTMF

Level(dBm)

Freq.(Hz)

Tol.(%)

Twist(dB)

Level(dBm)

Freq.(Hz)

Tol.(%)

Twist(dB)

1

Highgroup

Lowgroup

5

Highgroup

Lowgroup

9

Highgroup

Lowgroup

0

Highgroup

Lowgroup

 

b)Unit2(sampleno.:

AtNormalTemperatureCondition:

feedingcondition

Highloopcurrentcondition(Rf=300ohm)

Lowloopcurrentcondition(Rf=2800ohm)

Digit

DTMF

Level(dBm)

Freq.(Hz)

Tol.(%)

Twist(dB)

Level(dBm)

Freq.(Hz)

Tol.(%)

Twist(dB)

1

Highgroup

Lowgroup

5

Highgroup

Lowgroup

9

Highgroup

Lowgroup

0

Highgroup

Lowgroup

 

10.1At0oCcondition:

feedingCONDITION

Highloopcurrentcondition(Rf=300ohm)

Lowloopcurrentcondition(Rf=2800ohm)

Digit

DTMF

Level(dBm)

Freq.(Hz)

Tol.(%)

Twist(dB)

Level(dBm)

Freq.(Hz)

Tol.(%)

Twist(dB)

1

Highgroup

Lowgroup

5

Highgroup

Lowgroup

9

Highgroup

Lowgroup

0

Highgroup

Lowgroup

At40oC75%RHcondition:

feedingCONDITION

Highloopcurrentcondition(Rf=300ohm)

Lowloopcurrentcondition(Rf=2800ohm)

Digit

DTMF

Level(dBm)

Freq.(Hz)

Tol.(%)

Twist(dB)

Level(dBm)

Freq.(Hz)

Tol.(%)

Twist(dB)

1

Highgroup

Lowgroup

5

Highgroup

Lowgroup

9

Highgroup

Lowgroup

0

Highgroup

Lowgroup

Out-of-Bandlevelabove4.3KHzduringDTMFdialling

a)Unit1(sampleno.:

RoomTemperature

0oC

40oC70%RH

Frequencyband

DTMFdigit

Max.freq.ComponentatRf=300ohm

Max.freq.ComponentatRf=2800ohm

Max.freq.ComponentatRf=300ohm

Max.freq.ComponentatRf=2800ohm

Max.freq.ComponentatRf=300ohm

Max.freq.ComponentatRf=2800ohm

4.3KHzto20KHz

1

5

9

0

b)Unit2(sampleno.:

RoomTemperature

0oC

40oC70%RH

Frequencyband

DTMFdigit

Max.freq.ComponentatRf=300ohm

Max.freq.ComponentatRf=2800ohm

Max.freq.ComponentatRf=300ohm

Max.freq.ComponentatRf=2800ohm

Max.freq.ComponentatRf=300ohm

Max.freq.ComponentatRf=2800ohm

4.3KHzto20KHz

 

3.Sendinglevelanddistortion:

3.1HANDSETMODE:

Unit1:

(sampleno.:

InputExcitationLevelwith5mVrmsattheMicInputbySignalGenerator

OutputLevelmeasuredat600OhmloadedtelephoneLine

50V/300OhmDCfeedingcondition

Frequency

 

Level(dBV)

 

Distortion(%)

(Hz)

RoomTemp

Cold

Hot

RoomTemp

Cold

Hot

 

0oC

40oC/RH70%

0oC

40oC/RH70%

300

600

1000

2000

3000

Unit1:

(sampleno.:

InputExcitationLevelwith5mVrmsattheMicInputbySignalGenerator

OutputLevelmeasuredat600OhmloadedtelephoneLine

50V/2800OhmDCfeedingcondition

Frequency

 

Level(dBV)

 

Distortion(%)

(Hz)

RoomTemp

Cold

Hot

RoomTemp

Cold

Hot

 

0oC

40oC/RH70%

0oC

40oC/RH70%

300

600

1000

2000

3000

Unit2:

(sampleno.:

InputExcitationLevelwith5mVrmsattheMicInputbySignalGenerator

OutputLevelmeasuredat600OhmloadedtelephoneLine

50V/300OhmDCfeedingcondition

Frequency

 

Level(dBV)

 

Distortion(%)

(Hz)

RoomTemp

Cold

Hot

RoomTemp

Cold

Hot

 

0oC

40oC/RH70%

0oC

40oC/RH70%

300

600

1000

2000

3000

 

Unit2:

(sampleno.:

InputExcitationLevelwith5mVrmsattheMicInputbySignalGenerator

OutputLevelmeasuredat600OhmloadedtelephoneLine

50V/2800OhmDCfeedingcondition

Frequency

 

Level(dBV)

 

Distortion(%)

(Hz)

RoomTemp

Cold

Hot

RoomTemp

Cold

Hot

 

0oC

40oC/RH70%

0oC

40oC/RH70%

300

600

1000

2000

3000

 

3.2Handsfreemode:

N/A

Unit1:

(sampleno.:

#)

InputExcitationLevelwith5mVrmsattheHandsfreeMicInputbySignalGenerator

OutputLevelmeasuredat600OhmloadedtelephoneLine

50V/300OhmDCfeedingcondition

Frequency

 

Level(dBV)

 

Distortion(%)

(Hz)

RoomTemp

Cold

Hot

RoomTemp

Cold

Hot

 

0oC

40oC/RH70%

0oC

40oC/RH70%

300

600

1000

2000

3000

Unit1:

(sampleno.:

#)

InputExcitationLevelwith5mVrmsattheHandsfreeMicInputbySignalGenerator

OutputLevelmeasuredat600OhmloadedtelephoneLine

50V/2800OhmDCfeedingcondition

Frequency

 

Level(dBV)

 

Distortion(%)

(Hz)

RoomTemp

Cold

Hot

RoomTemp

Cold

Hot

 

0oC

40oC/RH70%

0oC

40oC/RH70%

300

600

1000

2000

3000

 

Unit2:

(sampleno.:

#)

InputExcitationLevelwith5mVrmsattheHandsfreeMicInputbySignalGenerator

OutputLevelmeasuredat600OhmloadedtelephoneLine

50V/300OhmDCfeedingcondition

Frequency

 

Level(dBV)

 

Distortion(%)

(Hz)

RoomTemp

Cold

Hot

RoomTemp

Cold

Hot

 

0oC

40oC/RH70%

0oC

40oC/RH70%

300

600

1000

2000

3000

Unit2:

(sampleno.:

#)

InputExcitationLevelwith5mVrmsattheHandsfreeMicInputbySignalGenerator

OutputLevelmeasuredat600OhmloadedtelephoneLine

50V/2800OhmDCfeedingcondition

Frequency

 

Level(dBV)

 

Distortion(%)

(Hz)

RoomTemp

Cold

Hot

RoomTemp

Cold

Hot

 

0oC

40oC/RH70%

0oC

40oC/RH70%

300

600

1000

2000

3000

 

4.Receivinglevelanddistortion:

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