CircuitLab: Online circuit simulator & schematic editor

Build and simulate circuits right in your browser. Design with our easy-to-use schematic editor. Analog & digital circuit simulations in seconds. MyWorkbench ElectronicsQ&A Textbook login signup Circuitsimulationandschematics. Buildandsimulatecircuitsrightinyourbrowser. Designwithoureasy-to-useschematiceditor. Analog&digitalcircuitsimulationsinseconds. ProfessionalschematicPDFs,wiringdiagrams,andplots. Noinstallationrequired!Launchitinstantlywithoneclick. LaunchCircuitLab orwatchaquickdemovideo→ InteractiveElectronicsTextbook New! MastertheanalysisanddesignofelectronicsystemswithCircuitLab'sfree,interactive,onlineelectronicstextbook. Open: UltimateElectronics:PracticalCircuitDesignandAnalysis ElectronicsQuestionsandAnswers fromtheCircuitLabCommunity 0 answers 2 comments Voltagemeasurement 4hours,20minutesago 0 answers 0 comments Threeprongpushswitch 22hours,48minutesago 0 answers 0 comments Whatshouldbetheclearanceandcreepageforthelinetoline440Vacandlinetoneutral240Vacofthethree-phasesystemonPCB? 1day,15hoursago 1 answer 0 comments ClassBPowerAmplifierDesign 2days,2hoursago 2 answers 0 comments SitelicenseforUniversity? July17,2020 BrowseMoreQuestions   •   AskYourOwn   •   ContributeanAnswer Examples 555TimerasOscillator/PWMGenerator 7805&Wall-wartExperiencingVoltageDrop-out BJTaudioamplifier BJTCascodedActive-loadDiff.Amp.withCMFB BJTcurrentmirror Digital4-bitcounterandDAC Diodehalf-waverectifier Diodefull-wave(bridge)rectifier Diodeturn-offtime LaplacetransformstepresponseandBodeplot LEDwithresistorbiasing JFET-basedelectretmicrophoneamplifier MechanicalspringdashpotLaplacemodel MOSFETandresistorNAND/NORgate MOSFET(CMOS)NAND/NORgate MOSFETswitchinginductiveload Op-Ampinverting/non-invertingamplifier RCvs.RLstepresponse/frequencyresponse RLCresonance Resistorsinseriesandparallel Zenerdiodevoltagereference moreexamplesin"UltimateElectronics"book... Commonsenseschematicsletyounameanode"+5V"andknowthatthesimulatorwilldotherightthingautomatically,keepingyourschematicscompactandelegant. Quick-accessbuildboxletsyoudrawbasiccircuitprimitivesquickly,whileallowingaccesstoawideassortmentofnon-linearelements,feedbackelements,digital/mixed-modecomponents,andcustomdrawingtools. Easy-to-usePowerTools Easy-wiremodeletsyouconnectelementswithfewerclicksandlessfrustration.   Cross-windowcopy/pasteletsyoueasilyexploreandre-mixpartsofpubliccircuitsfromtheCircuitLabcommunity. Mixed-modecircuitsimulationletsyousimulateanaloganddigitalcomponentsside-by-side.   SPICE-likecomponentmodelsgiveyouaccurateresultsfornonlinearcircuiteffects. Human-friendlyformatsletyouenteranddisplayvaluesconcisely,justlikeyouwouldonapaperschematic. Unit-awareexpressionevaluationletsyouplotarbitrarysignalsofinterest,suchasdifferentialsignalsorpowerdissipation. In-browsersimulationandplottingletsyoudesignandanalyzefaster,makingsureyourcircuitworksbeforeeverpickingupasolderingiron. UniquecircuitURLsletyoueasilyshareyourworkoraskforhelponline. Advancedsimulationcapabilitiesincludefrequency-domain(smallsignal)simulation,steppingcircuitparametersthrougharange,arbitraryLaplacetransferfunctionblocks,andmore. “Giveitatry–thisisagreatidea.” “Amazinglyuserfriendlyandsimpleforeventhenovicehobbyisttodiveinto.” “Browser-basedcircuitsimulatorboastsamountainoffeatures.” “SmartWires”Technology: Buildyourschematicfasterthaneverbeforewithourunique,intelligentSmartWirestechnologyforconnectingterminalsandrearrangingcomponents. ProprietarySimulationEngine: Anextended-precisionnumericalsolvercoreplusanadvancedmixed-modeevent-drivensimulationenginemakesiteasytogetsimulationsrunningquickly. Presentation-QualitySchematics: Printsharp,beautifulvectorPDFsofyourschematics,plusexporttoPNG,EPS,orSVGforincludingschematicsindesigndocumentsordeliverables. PowerfulPlottingEngine: Workwithmultiplesignalseasilywithconfigurableplottingwindows,verticalandhorizontalmarkers,andcalculationsonsignals.Exportplotimagesforinclusionindesigndocuments. RapidSymbolCreation: DrawgenericrectangularsymbolsforICorsystem-levelwiringdiagramswithjustafewclicks. BehavioralSources&Expressions: Experimentanditeraterapidlywithprogrammablealgebraicsourcesandexpressions.Seedocumentation “ CircuitLabisthebesteditorIhaveeverused.Bug-freedesign,excellentsimulation.Welldone.NomoreusingLTSpice. ” —@yigitdemirag “ Inourproductdevelopmentcycle,we'veusedCircuitLabinmoreplacesthanyoumightexpect:optimizingouranalogfront-end,RFmatchingnetworkanalysis,improvingourpowersupplyrobustness,anddesigninganddocumentingtestandproductionfixtures. ” —PantelligentHardwareEngineeringTeam LaunchCircuitLab Home MyWorkbench Documentation/ FAQ Membership ElectronicsTextbook ElectronicsQ&A Forums Blog AboutUs ContactUs TermsofService PrivacyPolicy