Fundamentals of Electronic Circuit Design

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1、FundamentalsofElectronicCircuitDesignByHongshenMaPreface–WhyStudyElectronics?Purelymechanicalproblemsareoftenonlyasubsetoflargermulti-domainproblemsfacedbythedesigner.Particularly,thesolutionsofmanyoftoday’sinterestingproblemsrequireexpertiseinbothmechanicalengineer

2、ingandelectricalengineering.DVDplayers,digitalprojectors,moderncars,machinetools,anddigitalcamerasarejustafewexamplesoftheresultsofsuchcombinedinnovation.Inthesehybridsystems,designtrade-offsoftenspantheknowledgespaceofbothmechanicalandelectricalengineering.Forexamp

3、le,inacarengine,isitmorecost-effectivetodesignaprecisemechanicaltimingmechanismtotriggerthefiringofeachcylinder,orisitbettertouseelectronicsensorstomeasurethepositionsofeachpistonandthenuseamicroprocessortotriggerthefiring?Foreveryproblem,designerswithcombinedexpert

4、iseinmechanicalandelectricalengineeringwillbeabletodevisemoreideasofpossiblesolutionsandbeabletobetterevaluatethefeasibilityofeachidea.Abasicunderstandingofelectroniccircuitsisimportantevenifthedesignerdoesnotintendtobecomeaproficientelectricalengineer.Inmanyreal-li

5、feengineeringprojects,itisoftennecessarytocommunicate,andalsonegotiate,specificationsbetweenengineeringteamshavingdifferentareasofexpertise.Therefore,abasicunderstandingofelectroniccircuitswillallowthemechanicalengineertoevaluatewhetherornotagivenelectricalspecifica

6、tionisreasonableandfeasible.Thefollowingtextisdesignedtoprovideanefficientintroductiontoelectroniccircuitdesign.Thetextisdividedintotwoparts.PartIisabarebonesintroductiontobasicelectronictheorywhilePartIIisdesignedtobeapracticalmanualfordesigningandbuildingworkingel

7、ectroniccircuits.©2005HongshenMa2PartIFundamentalsPrinciplesByHongshenMa©2005HongshenMa3Importantnote:Thisdocumentisaroughdraftoftheproposedtextbook.Manyofthesectionsandfiguresneedtoberevisedand/oraremissing.Pleasecheckfuturereleasesformorecompleteversionsofthistext

8、.©2005HongshenMa4FundamentalsofElectronicCircuitDesignOutlinePartI–FundamentalPrinciples1TheBasics1.1VoltageandCurrent1.2ResistanceandPowe