0-Introduction and Outline
-
Upload
wong-soon-yaw -
Category
Documents
-
view
218 -
download
0
description
Transcript of 0-Introduction and Outline
-
Dr Michael Tan Loong PengPhD (Cambridge)Senior LecturerFaculty of Electrical EngineeringUniversiti Teknologi Malaysia
SKEE1223: Digital Electronics0 Introduction&CourseOutline
-
Lecturer
DrMichaelTan,[email protected]
Dr Michael Tan received his B. Eng. (electricaltelecommunication) and M. Eng. (electrical) degrees fromUniversiti Teknologi Malaysia (UTM), Skudai, Malaysia, in 2003and 2006, respectively. He conducted his postgraduate researchin nanoscale MOSFET modeling at the Intel Penang DesignCenter, Penang, Malaysia. He obtained his Ph.D. degree in 2011at the University of Cambridge, Cambridge, UK. He is a seniorlecturer at UTM. He used MATLAB extensively for his researchand has published many journal articles with more than 24accumulated impact factors. Dr Michael is an IEEE member,member of IET (MIET), graduate member of IEM (GRAD IEM),and member of Queens' College.
-
Cambridge
DrMichaelTan,[email protected]
-
DrMichaelTan,[email protected]
GeneralInformation
Room: P19a0502012 Phone: 075557171 Email: [email protected] Website:http://michael.fke.utm.my/ Notes:http://michael.fke.utm.my/download_skee1223_2014
-
DrMichaelTan,[email protected]
LectureHours Lecture Monday2:00pm 4:00pm Thursday12:00pm 1:00pm
Lectureattendancewillbetakenmakesure>80%
Classnotes,slidesandtutorialswillbeposted:http://michael.fke.utm.my/download_skee1223_2014
-
DrMichaelTan,[email protected]
MarksDistribution
Test1 15% Test2 15% Test3 15% Assignments/Quiz 20% Final 50%
-
DrMichaelTan,[email protected]
CourseInformation
Thiscourseintroducesstudentsto numbersystems(2weeks) basicgates(2weeks) MSIcircuits(2weeks) flipflops(2weeks) Countersandregisters(2weeks) Memorydevices(2weeks) Logicfamilies(2weeks)
Seecourseinformationforoutcomeandcontents(downloadfromwebsite)
-
DrMichaelTan,[email protected]
References
1. ThomasL.Floyd,"DigitalFundamentals"9hEd.,PrenticeHall,2007**
2. Tocci &Widmer,"DigitalSystems PrinciplesandApplications",10Ed.,Prentice Hall,2007.
3. M.MorrisMano,"DigitalDesign",4'hEd.PrenticeHall,2007.
**highlyrecommended
-
DrMichaelTan,[email protected]
IntroductiontoDigitalElectronics
Whystudydigitalelectronics? Whyisitimportant? Whatisthemostbasiccomponentofdigitalelectronics?
Examplesofdigitalelectronicsystems?
-
DrMichaelTan,[email protected]
HistoryofDigitalElectronics 1947:FirsttransistoratBellLabsbyBardeenandBrattain
1950:JunctiontransistorbyWilliamShockley
1954:FirstsilicontransistorfromTexasInstruments
1955:FieldEffectTransistor(FET)developedatBellLabs
-
DrMichaelTan,[email protected]
HistoryofDigitalElectronics(cont.) 1958:FirstICbyJackKilbyofTexasInstruments
1960:FirstMOSFETfabricatedbyKahng ofBellLabs
1963:CMOSinventedbyFrankWanlass ofFairchildSemiconductor
1971:FirstMicroprocessor,theIntel4004with2300transistors
2006:IntelCore2Duowith820milliontransistors
-
DrMichaelTan,[email protected]
AnalogandDigitalsignals
Analog:quantitythathascontinuous values Digital:quantitythathasdiscrete values
-
DrMichaelTan,[email protected]
AnalogandDigitalsignals
Analog:quantitythathascontinuous values Digital:quantitythathasdiscrete values
-
DrMichaelTan,[email protected]
AnalogQuantity
Definition:aquantitythathascontinuousvalues.
Examples Speed,time,current,sound,pressure,distance
speedometer thermometerclock sound
-
DrMichaelTan,[email protected]
DigitalQuantity
Definition:aquantitythathasadiscrete setofvalues.
Examples: Digitalclock,digitalthermometer
DigitalthermometerDigitalclock
-
DrMichaelTan,[email protected]
Analog
Changesoveracontinuousrangeofvalues
Analogvs.Digital
Digital
Changesinstantaneously/indiscretesteps
-
DrMichaelTan,[email protected]
Analogvs.Digital
Isthisananalogordigitalsystem?
-
DrMichaelTan,[email protected]
AnalogvsDigitalSignals Analogsignalscantakeanyvoltagevalues,i.e.1V,2.5V,23V,0.34V,etc.
Digitalsignalscantakeonlytwovoltagevalues,i.e.5Vand0V(oranytwodistinctvalues)
Forsimplicity,5Visreferredas1and0Visreferredas0
-
DrMichaelTan,[email protected]
AnalogandDigitalSystems
Analogsystem:microphonespeaker,analogradio
Digitalsystem:computer,calculator AnalogandDigitalsystem:handphone,digitalTV
-
DrMichaelTan,[email protected]
Advantagesofdigitalsystem
a) Easiertodesignb) Informationstorageiseasyc) Accuracyandprecisionareeasiertomaintaind) Operationcanbeprogrammede) Lessaffectedbynoisef) MoredigitalcircuitrycanbefabricatedonIC
chips
-
DrMichaelTan,[email protected]
a)Easiertodesign
Thereareonlytwodifferentvoltagelevels tobeconsideredinthedigitalsystem.
HIGHorLOW0V
0.8V
2.0V
5.0V
-
DrMichaelTan,[email protected]
22
b)Informationstorageiseasy
Canbekeptaslongasnecessaryindigitalmemory.
Canbestoredmorecompactly.
Cassette player cassette
CD player CD
-
DrMichaelTan,[email protected]
c)Accuracyandprecisioneasiertomaintain Thedigitalinformationdoesnotdeteriorateonceitisstored.
Theanaloginformationmaybedistortedbytheeffectoftemperature,humidityetc.
-
DrMichaelTan,[email protected]
d)Operationcanbeprogrammed
Itiseasytoprogramtheoperationofthedigitalsystem.
Theoperationsintheanalogsystemarecomplex,difficulttoprogram.
-
DrMichaelTan,[email protected]
e)Lessaffectedbynoise
Theexactvoltageisnotimportantinthedigitalsystem.
Usinghigh/lowcomparisons,and0and1bits.
-
DrMichaelTan,[email protected]
e)Moredigitalcircuitcanbefabricatedonchips Analogcomponentslike highvaluecapacitors, precisionresistors, inductorsand transformers
cannotbeeconomicallyintegrated.
-
DrMichaelTan,[email protected]
LimitationsofDigitalSystem
Therealworldisanalog Processingdigitizedsignalstakestime
Memory
Mic
ADC DSP DAC
Speaker
-
DrMichaelTan,[email protected]
Review
Defineanalog,digital Explainthedifferencebetweenadigitalquantityandananalogquantity
Giveanexampleofanalogsystemandonethatisacombinationofbothdigitalandanalog
Statetwoadvantagesofadigitalsystemcomparedtoanalog