Transcription of The Oscilloscope and the Function Generator
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TheOscilloscope andtheFunctionGenerator:Someintroductory exercisesforstudents in theadvancedlabsIntroductionSomany of theexperiments in theadvancedlabsmake useof oscilloscopes andfunctiongeneratorsthatit is speci ablevoltageappliedover a speci abletime,such as a \sinewave" or \trianglewave" controlotherapparatusto,forexample,varya magnetic eld(superconductivity andNMRexperiments)senda radioactive sourceback andforth(M ossbauere ectexperiment),or actas a timingsignal, ,\clock"(phase-sensitive detectionexperiment).Oscilloscopes area type ofsignalanalyzer|theyshow theexperimentera pictureof thesignal,usuallyin theformof a learntheamplitude,frequency, andoverallshape of thesignalwhich may dependonthephysicsbeingexploredin themdateback to thebeginningsof electronicengineering,andtheirmoderndesc endants areoftendigitallybased,multifunctiondevi cescostingthousandsof exercisesis intendedto getyoustartedonsomeof thebasicsof operating'scopesandgenerators,butit takes a good dealof experienceto learnhow to operatethemwell andtakefulladvantageof ,whethertheoldanalogtype or
Now that you have a signal, explore the e ects of the various scope controls. Refer to Fig. 1 to help you locate the controls on your scope. Vertical 1. Press the CH1 button and see what happenswhen you turn the POSITION and VOLTS/DIV knobs. Pay attention to both the changes in the displayed waveform and the text indicators 5
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