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HeathkitVirtualMuseum|OM-2

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OM-25"GeneralPurposeOscilloscope

Push-pullhorizontalandverticalamplifiersModernetchedcircuitdesignforstabilityBuilt-inIVpeak-to-peakcalibrationreferenceFull5"cathoderaytube--SpotshapecontrolEasytobuildfromcompleteinstructionssupplied

Ifyouarelookingforan"exceptionalbuy"inanoscilloscopeforgeneralpurposeapplications,lookatthefeaturesofferedbytheOM-2!Thisfinescopefeatureswideverticalamplifierfrequencyresponse,extendedsweepgeneratoroperation,andimprovedstability.Thefrequencyresponseoftheverticalamplifierhasbeenextendedtowithin3dbfrom4cpsto1.2mc,or6db,from3cpsto2mc.Verticalsensitivityis.09VRMSperinchat1kc.Theimprovedsweepgeneratorfunctionsreliablyfrom20cpstoover150kc.Modernetchedcircuitboardsarefeaturedincriticalpartsoftheoscilloscopecircuit.Theynotonlypermitalevelofhighstabilitybut

alsoreduceassemblytimeconsiderably.Standardcomponentsaremountedontheseboardswitheachpositionclearlymarkedpreventingwiringerrors.Bothverticalandhorizontalamplifiersarepush-pulltypes.OM-2SchematicDiagramThisscopefeaturesa5BP1CRT,withprovisionsforexternalorinternalsweepandsync,abuilt-inIVpeak-to-peakreferencevoltageforcalibrationpurposes,andacalibratedgridscreen.Theinputtotheverticalamplifieristhroughathreepositionstep-attenuated,frequencycompensatedcircuit,allowingcontrolofsignallevelsappliedtotheamplifier.Anadjustableastigmatism(spotshape)controlisprovidedtoinsureasharptrace.Thisscopeisexcellentforservicing,foruseinthehamshack,orfor

routinelaboratorywork.Itisespeciallyvaluableforstudentsorhobbyists.Designedtoprovidemaximumperformanceataminimumprice,themodelOM-2fulfillstheneedforahigh-qualitygeneralpurposeinstrument.Specifications--Vertical:RiseTime:0.25microseconds.FrequencyResponse:3DB4cpsto1.2megacycles;6DB3cpsto2megacycles.Sensitivity:0.09RMSvoltsperinchat1kc.InputImpedance:35uufdshunting1.5megohmsatX1;25uufdshunting1.5megohmsatX10andX100.Horizontal:FrequencyResponse:3DB2cpsto425kc.;6DB1cpsto

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650kc.Sensitivity:0.275RMSvoltsperinchat1kc.Inputimpedance:25uufdshunting10megohmsSweepGenerator:Multivibrator20cpstoover150kc.TubeComplement:1-5BP1cathoderaytube,1-12AU7horizontalcathodefollowerandamplifier,1-12AU7horizontaldeflectionamplifier,1-12BH7verticaldeflectionamplifier,1-6BA6verticalcathodefollowerandamplifier,1-12AX7sweepmultivibrator,1-6X4lowvoltagerectifier,1-1V2highvoltagerectifier.PowerRequirements:105-125V,50-60cyclesACat65watts.Dimensions:85/8"widex141/8"highx18"deep.ShippingWeight:22lbs.YearIntroduced:1958ReturntoTop

Copyright2002|CyberventuresUnlimited|LastUpdated:2/14/2002

Theequipmentdepictedhereisforhistoricalpurposesandisnolongermanufactured.