Studentslearnaboutandbecomefamiliarwiththeexperimentbox.Afirstordersystemis formedbyutilizingtheanalogcircuitunitsU8andU9.Payattentiontoconnectingground oftheopampstoeachother. 2.TaketheperiodicalstepsignalastheinputwhichisgeneratedbyunitU2.Connectthe ground(G)ofU2totheground(G)oftheopamp.Usetheoscilloscopetoobservethe inputandoutputsignalsofthesystem.Usethefrequencybuttonandtheamplitude buttontosettheperiodicalstepsignalsothatyoucanobserveawholestepresponse process. 3.Tunetheparameterstodifferentvaluestoobservethevariationofthestepresponse,and analyzetheeffectofparametersvariationonthestepresponse.Forexample,studentscan