PCM tester
li yang
Contact person
Basic Information
| Place of Origin | Beijing China (Mainland) |
|---|---|
| Brand Name | DADI |
| Model Number | DDA260 |
| Power | Electronic |
PCM tester performanceCharacteristics FullpathA-A(Analog-Analog)test ·TestPort:Secondlineorforthlineaudiointerface ·Secondlineporthasfeedingandloopcircuitmaintenancefunctions. ·Output,InputResistance:600Ω;Multipleresistances ·TestItems:Pointpowerlevel,frequencycharacteristic,powerlevelcharacteristic,idlenoise, interchannelcrosstalk,quantizingdistortion ·Near-endlooptestandelsewhererelativetestcanbedoneautomaticallyandupto1500linesof testrecordcanbestoredautomaticallyincomputer,only1minuteisneededtofinishalineof speechchanneltest. ·AutocomparisonwithITU-Tsuggestedandanalyzedresultduringtest,real-timereportwhen underguideline,markedidentificationonrecordandgraphicmodeldisplayoftestresult ·Operationmodesofmanualtest,monomialormultinomialautotest,autotestsofallitemsare provided ·Sendingsinusoidalsignalfrequencyrangeis2003600Hz,steplengthis1Hz,frequency inaccuracyislessthan0.2Hz,frequencycharacteristicinaccuracyislessthan0.1dB ·SignalRatedOutputRangeis-72.5+11dBm,OperationInaccuracyislessthan0.1dBSemi-pathA-D D-AD-DTest ·2Mdigitaloutputportcanoutputcodesof-59+3dBm2003600Hzdigitalsinusoidal sequence,speechchannelSignalingABCDcodecanbesetrandomly,OutputCodePattern:Code HDB3,OutputResistance:75Ω,unbalanced ·2MdigitalinputportcantestA-D,D-A,D-Dspeechchannelcharacteristicswithinaccuracyless than0.15dB.InputCodePattern:CodeHDB3,InputResistance:highresistance2KΩ, unbalanced ·Semi-pathtesthasfullfunctionsofallaccesstestexceptfortheautorelativetest ·TestcanbeimplementedatanyspeechchannelslottimewithspeechchannelsignalingABCD codemonitoredinrealtime ·Soundandlightalarmwhennosignal,AIS,framedesynchronizing,CRC4desynchronizing occur
-
Payment Methods
We accept:
