RossLightfootECEN248504

Lab2Mehnaz21815

1.ObjectivesTounderstandinvertersandtheirfunctions.Alsotoseeandunderstandgate

delayswhenyouformaringorcircularpathinacircuit.

2.Design3.Results

Part1:

Part2:

MeasuredPeriod:66.1nsMeasuredFrequency:15.13MHzDelayofonegate(5ring):6.61ns

Ifthedelayofonegateis10nswitha21ringoscilator,

&f = 1T T = 2 *N *Dinv soT=420nsandf=1/420=0.00238ns

ArethesignalsatP,Q,R,SinFigure2periodic?Ifso,whataretheirtimeperiods?HowdothesesignalsdifferfromthesignalatnodeA?

Nobecauseeachtimearoundthesignalwillbeoppositewhatitwasbefore.andA=Q=SwhileP=R

4.Conclusion

Inthislabwefoundthatgatesandinvertershaveanacceptablerangeforincomingvoltagesthatdetermineswhethertheoutputishighorlow.Additionallywesawthataseriesofinverterscanbeplacedinseriesinaringtoformanoscillatingclocksignalgoingfromhightolowvoltages,andwelearnedhowtoderivethedelayofasingleinvertergiventheperiodandnumberofinvertersinthering.

5.Questions

a)Whatdidyoulikemostaboutthelabassignmentandwhy?Whatdidyoulikeleastaboutitandwhy?

IlikedthefactthatwhenweusedtheOscilatorthatithadanautomaticbuttontoseetheperiod,frequencyandothermeasurablesofthewave.IdislikedhowinthefirstpartOurvaluesweresosimilarfordifferentVinsthatIthoughtIwasdoingitwrong.

b)Werethereanysectionofthelabmanualthatwereunclear?Ifso,whatwasunclear?Doyouhaveanysuggestionsforimprovingtheclarity?

NoIhadnoissueswiththelab.

c)Whatsuggestionsdoyouhavetoimprovetheoveralllabassignment?Findanotherexerciseforpart1todemonstratethedesiredpointaboutvoltages