AudioAnalyzerR&SUPL16providesallthenecessaryaudiosignalsandperformsacousticalmeasurements.DigitalRadiocommunicationTesterR&SCMDorR&SCMUisusedtoestablishthecall.Forsometestcasesthespeechcodecisalsoused.
AudioAnalyzerR&SUPL16hasthesamesuperioranalysisconceptasallmembersoftheR&SUPLfamily.Theinstrumentisabletohandlebothanaloganddigitalprocessing.Itcarriesoutpracticallyalltypesofmeasurementintheaudiorangefromfrequencyresponsemeasurementstodistortionmeasurements,FFTanalysis,etc.
AllthedetailsabouttestfunctionsandconceptofoperationcanbefoundinthedatasheetoftheAudioAnalyzerR&SUPL.TheR&SUPL16isespeciallydesignedforacousticaltestsonGSMmobiles.Itisequippedwiththedigitalaudiointerface(DAI)asdefinedinGSMphase2recommendation11.10,section36.4.ThankstothisinterfacetheR&SUPL16canactasasystemsimulatororsimulateamobile.
Todriveanartificialheaddirectlywithoutadditionalamplifiers,thegeneratoroutputoftheR&SUPL16ismatchedtotheimpedanceoftheartificialmouthbyabuilt-intransformerontherearpaneloftheR&SUPL16.GSM11.10,section30defines15speechteleservicestestsforGSMmobiles,generallyreferredtointhisdocumentasacousticaltestcases.Allthesemeasurementsaresupportedbythesoftwarepackagedeliveredwiththeinstrument.
Features
Built-indigitalaudiointerface(DAI)TestcasesaccordingtoGSM11.10phase2AllkindsofanaloganddigitaltestsignalsincludingartificialvoiceAnaloganddigitalmeasurementsA-LawcodecUPL16ispartofTypeApprovalSystemTS8916UPL16+CRTxfortypeapprovalmeasurementsUPL16+CMDorCMUforprecompliancetesting