Extreme temperatureparametric tests.docx
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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: