NuMITransitionModuleCalibrationProcedurePeterPrieto6/17/04Thisnotedescribestheprocedurerequiredtocalibratethetransitionmoduleandmakeitreadyforinstallationinthefield.Foradescriptionofthetransitionmoduleread‘NuMItransitionModuleDescription”wheretheoperationofthetransitionmoduleisdescribedindetail.TestingObjective1.Verifytheboardhastheappropriatevoltages.2.Jumpersareinthecorrectlocation.3.ThefrontpanelLED’sindicatethecorrectstatusoftheboard.4.Therelayswitchesaresettothecorrectsettingandtheycanbesetwiththeappropriatecontrolbit.5.Verifyeachchannelhastheirdesignatedattenuator.Thedocument“NuMItransitionmoduledescription”liststheattenuationeachchannelshouldhave.6.MatchthegainbetweensetsofchannelsplateAandplateofaBPM.7.Verifytheinputsignalcanbemonitoredatthefrontpanel.8.Verifythe53MHzsignalpathandthe2.5MHzsignalpathcanbeselected.9.Injectacalibrationsignalandenablethecalibrationsrelayswitch.10.Verifythecalibrationsignalcanbemonitoredatthefrontpanel.EquipmentNeededToTesttheTransitionModule1.Schematic9820-ED-3701552.DVM3.NetworkAnalyzer4.Scope5.Splitter6.SignalAmplifier7.Dualpowersupply+/-5VDCand+/-15VDC8.Transitioncrate(ifcompletedbytestingtime).Ifsotheabovepowersupplyisnotneeded.9.Thisformtorecordvoltagesandsettingsforeachboard.10.Calibrationboardtodrivethefollowingcontrolsignalsontothetransitionboarda.CAL_ONb.SINGLE_Ac.SINGLE_B11.Switchboxthatconnectstofrontpanelofcalibrationboardandinturncontrolsthethreesignalslistedabove.12.Cablebetweenswitchboxandcalibrationboardfrontpanel.ResistorsThatShouldNotBeSolderedVerifythefollowingresistorsarereplacedwithshortsbeforeperforminganytestsontheboard.1.R22.R43.R164.R305.R326.R447.R588.R609.R7210.R8611.R8812.R100TheFollowingGainSettingResistorsShouldBERemoved1.R92.R153.R374.R435.R656.R717.R938.R99MI60NandMI65InputImpedanceValuesThetransitionboardsusedinMI60NrequirethatR127andR130be400Ω.ThetransitionboardsusedforMI65requireR127andR130be200Ω.DCVoltageMeasurementsMeasurethevoltages+/-5VDCand+/-15VDClevelsontheboardusingaDVM.1.Connectpowertothetransitionboard.ItshouldbedoneusingthesmallconnectorandalternatelythroughtheDINconnectorcheckingpowercanbesuppliedfromeitherconnector.MeasureandrecordthevoltagesatR122,R124,R123,R125.Ifanyofthevoltagesisnotpresentfirstcheckthepolarityofthetransorbs(zenerdiodes)oneormorecouldbeinbackward.5VDC_______,-5VDC________,+15VDC_______,-15VDC________.2.VerifythefrontpanelLED’sareONforallfourvoltages.JumpersTherearejumpersthatselectthevoltagethatpowerthecalibrationsignalamplifiersandasetselectingtheclocksourceforthePAL.1.Setthejumpersforthecalibrationsignalamplifiersto+5/-VDC.ThesearelabeledJ1,J17,J18,J19,J20,J21,J22,J23,J24,J25,J26.2.ThejumperfortheclocklabeledJ14shouldnothaveconnections.FrontPanelLED’sWithpowertotheboardandnocontrolbitsbeingtoggledthefrontpanelLED’sshouldbeinthefollowingstate.LED’sStatusCheck1.+5VDCON_________2.–5VDCON_________3.+15VDCON_________4.–15VDCON_________5.D13C(53MHZsignalpathon)ON_________6.D13A(calibrationsel.ChA)OFF_________7.D13B(calibrationsel.ChB)OFF_________8.spareLEDOFF_________SignalPathCheckConnecta53MHzCW0dBmsignalattheinputofeachcahnnel.Youcanusethenetworkanalyzerasasource.WithscopeprobecheckthatsignalispresentateachofthesetestpointsChannelA:TP2___,TP1___,F.P.LEMO____,SMA______Channel_B:TP5___,TP4___,F.P.LEMO____,SMA______ChannelC:TP8___,TP7___,F.P.LEMO____,SMA___...