PRODUCT INFORMATION - Liberty Test Equipment

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OPTIONSThe 6103 in its basic form is a completeintegrated test set capable of performing the fullrange of measurements on a GSM mobile. Tocomplement this, Racal Instruments can supplya range of options and accessories whichsignificantly enhance the applications of the6103. A full list is provided on the back pagealong with ordering information.FREQUENCY STANDARDSUnder normal circumstances the suppliedfrequency standard is more than adequate,however in a laboratory or production situationhigher performance may be required. Theoptional internal standards can achievestabilities of up to 0.03 ppcm per year.Supplied Option O4E Option O4Fparameters. On completion, the user is presentedwith the numeric results and a pass/fail indicator. Ifappropriate, any graphic information can also beviewed.AUTOMATIC AND GO/NO GO TESTINGThe 6103 is ideal for both step by step fault or forfully automatic, GO/NO-GO testing. The automaticcapability offers a choice of running one of theinstrument’s built-in programs or a sequencecreated by the user. In this way it is possible toselect virtually any combination of tests withcomplete freedom of channel numbers, parametersand test limits. <strong>Test</strong> sequences can beautomatically entered to start by a location updateor a call set up. Using this facility it is possible tocarry out any series of tests without even touchingthe instrument. This is particularly attractive forhigh throughput, screening applications.Frequency: 13 MHz 10 MHz 10 MHzStability* ±1 x 10 -6/year±1 x 10 -7/year±3 x 10 -8/year0 to 50°C:
the user recognizable ‘pictures’ of theperformance of the mobile under test, as ithappens.As a further aid to the operator, the normal GSMtest limits are marked on the bargraphs. If areading exceeds these limits, the bar itself turnssolid black making a potential fault easilyrecognized.While in Multimode, most parameters are easilychanged such as channel, slot number, mobilepower and RF level. The rotary control can nowbe used to continuously update the RF level formanual sensitivity testing. Any protocolnecessary to perform the changes isautomatically generated making the 6103 veryintuitive to operate.UNSYNCHRONIZED MODEAnother mode similar to the Multimode is theunsynchronized mode. This provides the userwith all the diagnostic facilities for testing RFmodules and partially functioning phones. It alsoensures that the instrument can be used with themanufacturer’s specific test modes where thetransmitter or receiver can be enabled without aSIM or any network signaling.mobile adjustment or for mobile ‘local’ control, theunsynchronized mode can be used. This has thebenefit that no time is wasted waiting for theprotocol to synchronize and set up a call.For transmitter testing, the instrument willautomatically find any signal in the GSM 850,900, 1800 or 1900 bands and then continuouslydisplay all key measurements, including powerprofile and modulation spectrum graphs. Aspecial IQ mode filter can be used for optimizinga mobile’s modulator settings.For receiver testing, the 6103 can generate arange of test signals including a valid controlchannel, a bursting traffic channel or anunmodulated carrier.The unsynchronized mode is particularly suitablefor making adjustments to a mobile’s freerunning frequency standard or to its transmitterpower steps.REMOTE OPERATIONFor production test systems where speed andcontrol are paramount, the 6103 offers full1EEE488 remote control of all tests andreadings, including graph data. Remote controlof the multimode means that transmitter andreceiver measurements can be performedconcurrently and parameters and settings arequickly changed with simple commands. For
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PRODUCT INFORMATION - Liberty Test Equipment

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