DE Notes
HubADC — Analog to Digital Converter Types and WorkingDAC — Digital to Analog Converter Types and WorkingBoolean Expression Simplification – Methods and Solved ExamplesBoolean Laws and Theorems – Complete Reference with ProofsCanonical Forms – Minterms, Maxterms, and Standard FormsDe MorganIntroduction to Boolean Algebra in Digital ElectronicsBoolean Algebra Solved Examples – Practice Problems with SolutionsSOP and POS Forms – Sum of Products and Product of SumsBCD Code (8421) — Binary Coded Decimal Complete GuideExcess-3, ASCII, and Other Digital CodesGray Code — Reflected Binary Code, Conversion and ApplicationsHamming Code — Error Detection and CorrectionCombinational Circuit DesignIntroduction to Combinational LogicDigital ComparatorsDecoder — 2:4, 3:8 Decoder, IC 74138 and ApplicationsDemultiplexersEncoder — Priority Encoder, Octal to Binary, IC 74148Full Adder — Circuit, Truth Table, K-Map and Carry PropagationFull SubtractorHalf Adder — Circuit, Truth Table, Boolean Expression and VerilogHalf SubtractorMultiplexer (MUX) — Working, Truth Table, IC 74151 and ApplicationsParallel AddersCPLD DesignFPGA IntroductionPAL DevicesPLA DevicesProgrammable Logic DevicesVLSI BasicsFinite State Machines — Mealy and Moore Models IntroductionFSM Numericals — Solved GATE Problems on Finite State MachinesState Minimization — Implication Table and Partitioning MethodDigital Electronics CheatsheetInterview QuestionsFlip-Flop QuestionsGate Solved QuestionsLogic Gates QuestionsAdvantages of Digital SystemsAnalog vs Digital Electronics — Digital ElectronicsApplications of Digital ElectronicsDigital System OverviewWhat is Digital Electronics?DonFive-Variable K-mapFour-Variable K-mapK-map IntroductionK-map Solved ProblemsThree-Variable K-mapTwo-Variable K-mapCMOS LogicFan-in and Fan-outLogic Family IntroductionPower DissipationPropagation DelayTTL LogicTTL vs CMOSAND Gate – Truth Table, Symbol, Circuit Diagram & ApplicationsIntroduction to Logic Gates – Building Blocks of Digital CircuitsNAND GateNOR GateNOT GateOR GateTruth TablesUniversal GatesXNOR GateXOR GateEEPROMEPROMFlash MemoryMemory BasicsMemory Hierarchy — Digital ElectronicsPROMRAM — SRAM and DRAM Architecture, Working and ComparisonROM — Types of Read-Only Memory: PROM, EPROM, EEPROM, FlashArduino BasicsDigital Electronics in ProcessorsEmbedded SystemsIntel 8086Microcontroller BasicsMicroprocessor BasicsBinary Arithmetic – Addition, Subtraction, Multiplication & DivisionBinary Number System — Digital Electronics1Decimal Number SystemHexadecimal Number System — Digital ElectronicsNumber System ConversionsOctal Number System — Digital ElectronicsSigned and Unsigned Numbers in Binary RepresentationAdder Circuit DesignCounter DesignFlip-Flop SimulationK-map PracticeLogic Gate SimulationProteus ProjectsCalculator CircuitDigital Clock ProjectElectronic Voting MachinePassword Lock SystemSmart Home ControlTraffic Light ControllerAsynchronous Counters — Ripple Counter Design and AnalysisJohnson CounterPIPO RegisterPISO RegisterRegisters IntroductionRing CounterShift RegistersSIPO RegisterSISO RegisterSynchronous Counters — Design, MOD-N Counter, Up/Down CounterGlossary of Terms — Digital ElectronicsImportant Formulas — Digital ElectronicsQuick Revision Notes — Digital ElectronicsRecommended Books — Digital ElectronicsD Flip-Flop — Data Flip-Flop Working, Truth Table, and ApplicationsFlip-Flop Conversions — Converting Between D, JK, SR, T Flip-FlopsJK Flip-Flop — Working, Truth Table, Excitation Table and ApplicationsLatches — SR Latch, D Latch, Gated Latch Complete GuideSequential Logic IntroductionSR Flip-Flop — Set-Reset Latch and Flip-Flop Complete GuideT Flip-Flop — Toggle Flip-Flop Truth Table, Excitation and ApplicationsTiming Diagrams in Sequential Circuits — Clock, Setup, Hold Time Analysis
Solved GATE-level numericals on Finite State Machines: sequence detectors, state assignment, excitation equations, Moore/Mealy conversion, and state minimization problems.
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Finite State MachinesFinite State Machines — Mealy and Moore Models IntroductionComplete introduction to Finite State Machines: Moore vs Mealy models, state diagrams, state tables, state equations, and systematic FSM design procedure with examples.Finite State MachinesState Minimization — Implication Table and Partitioning MethodComplete guide to FSM state minimization: identifying equivalent states, implication table method, partitioning method, and reduced state table construction with solved examples.Adc DacADC — Analog to Digital Converter Types and WorkingComplete guide to ADC: successive approximation ADC, flash ADC, sigma-delta ADC, resolution, sampling rate, quantization error, and GATE-level conversion calculations.Adc DacDAC — Digital to Analog Converter Types and WorkingComplete guide to DAC: R-2R ladder DAC, weighted resistor DAC, resolution, settling time, and GATE-level output voltage calculations with solved numericals.Boolean AlgebraBoolean Expression Simplification – Methods and Solved ExamplesLearn systematic methods to simplify Boolean expressions using algebraic manipulation, K-maps, and Quine-McCluskey algorithm with detailed step-by-step solved examples.Boolean AlgebraBoolean Laws and Theorems – Complete Reference with ProofsComprehensive guide to all Boolean algebra laws and theorems including identity, null, idempotent, inverse, commutative, associative, distributive, absorption, and consensus theorems with proofs.