• Maxwell
• Circuit
• Edit
• Sample Circuits
  • Simple resistance
  • Bessel & Butterworth filter
  • Mosfet Amplifier
  • LC Ladder
  • Digital Comparator
  • DRAM
  • Half Adder
  • Traffic light
  • Flash ADC
  • DAC
  • Decade Counter
  • switched-cap
  • Binary to Decimal Decoder
  • Digital Sine

• Source Code

• Circuits
• Components

• AC Voltage Rail
• Analog-To-Digital Converter (ADC)
• 2-way Analog Switch
• Analog Switch
• AND Gate
• Antenna
• Capacitor
• Current Conveyor
• Clock Voltage Source
• Digital Counter
• Current Source
• Digital-To-Analog Converter (ADC)
• Decade Counter
• D Flip-Flop
• Diode
• Ground
• Inductor
• Inverter
• JFET Transistor
• JK Flip-Flop
• Latch
• Light Emitting Diode (LED)
• Basic Switch
• Logic Output Terminal
• Memristor
• MOSFET Transistor
• NAND Gate
• NOR Gate
• OpAmp
• OR Gate
• Output Terminal
• Phase Comparator
• Potentiometer
• Scope Probe
• Basic Switch
• Voltage Rail
• Relay
• Resistor
• Silicon Controlled Rectifier (SCR)
• 7 Segment Display
• Spark Gap
• Frequency Sweep
• 2-way switch
• Basic Switch
• Tapped Transformer
• Text Label
• 555 Timer
• Transformer
• Bipolar Junction Transistor
• Transmission Line
• Triode
• Tunnel Diode
• Variable Voltage Rail
• Voltage Controlled Oscillator
• Voltage Source
• Wire
• XOR Gate
• Zener Diode

• Basics
  • Ohm's Law
  • Resistors
  • Capacitor
  • Inductor
  • LRC Circuit
  • Voltage Divider
  • Thevenin's Theorem
  • Norton's Theorem
• A/C Circuits
  • Capacitor
  • Inductor
  • Inductors w/ Various Frequencies
  • Impedances of Same Magnitude
  • Series Resonance
  • Parallel Resonance
• Passive Filters
  • High-Pass Filter (RC)
  • Low-Pass Filter (RC)
  • High-Pass Filter (RL)
  • Low-Pass Filter (RL)
  • Band-pass Filter
  • Notch Filter
  • Twin-T Filter
  • Crossover
  • Butterworth Low-Pass (10 pole)
  • Bessel vs Butterworth
  • Band-pass with Ringing
• Other Passive Circuits
  • Transformers
    • Transformer
    • Transformer w/ DC
    • Step-Up Transformer
    • Step-Down Transformer
    • Long-Distance Power Transmission
  • 3-Way Light Switches
  • 3- and 4-Way Light Switches
  • Differentiator
  • Wheatstone Bridge
  • Critically Damped LRC
  • Current Source
  • Inductive Kickback
  • Blocking Inductive Kickback
  • Power Factor
  • Power Factor Correction
  • Resistor Grid
  • Resistor Grid 2
  • Resistor Cube
  • LC Ladder
  • Phase-Sequence Network
  • Lissajous Figures
  • Diodes
    • Diode
    • Diode I/V Curve
    • Half-Wave Rectifier
    • Full-Wave Rectifier
    • Full-Wave Rectifier w/ Filter
    • Diode Limiter
  • Zener Diodes
    • I/V Curve
    • Voltage Reference
    • Voltage Reference w/ Follower
  • DC Restoration
  • Blocking Inductive Kickback
  • Spike Generator
  • Voltage Multipliers
    • Voltage Doubler
    • Voltage Doubler 2
    • Voltage Tripler
    • Voltage Quadrupler
  • AM Detector
  • Waveform Clipper
  • Triangle-to-Sine Converter
  • Ring Modulator
• Op-Amps
  • Op-Amp
  • Op-Amp Feedback
  • Amplifiers
    • Inverting Amplifier
    • Noninverting Amplifier
    • Follower
    • Differential Amplifier
    • Summing Amplifier
    • Log Amplifier
    • Class-D Amplifier
  • Oscillators
    • Relaxation Oscillator
    • Phase-Shift Oscillator
    • Triangle Wave Generator
    • Sine Wave Generator
    • Sawtooth Wave Generator
    • Voltage-Controlled Oscillator
    • Rossler Circuit
  • Half-Wave Rectifier (inverting)
  • Full-Wave Rectifier
  • Peak Detector
  • Integrator
  • Differentiator
  • Schmitt Trigger
  • Negative Impedance Converter
  • Gyrator
  • Capacitance Multiplier
  • Howland Current Source
  • I-to-V Converter
  • Voltage Regulator
  • LM741 Internals
  • LM741 (inverting amplifier)
  • LM741 Slew Rate
  • LM741 Current Limits
• Transistors
  • Switch
  • Emitter Follower
  • Multivibrators
    • Astable Multivibrator
    • Bistable Multivibrator (Flip-Flop)
    • Monostable Multivibrator (One-Shot)
  • Common-Emitter Amplifier
  • Unity-Gain Phase Splitter
  • Schmitt Trigger
  • Current Source
  • Current Source Ramp
  • Current Mirror
  • Darlington Pair
  • Differential Amplifiers
    • Differential Input
    • Common-Mode Input
    • Common-Mode w/Current Source
  • Push-Pull Follower
    • Simple, with distortion
    • Improved
  • Oscillators
    • Colpitts Oscillator
    • Hartley Oscillator
    • Emitter-Coupled LC Oscillator
• MOSFETs
  • Current Mirror
  • Common-Source Amplifier
  • CMOS Inverter
  • CMOS Inverter (w/capacitance)
  • CMOS Inverter (slow transition)
  • CMOS Transmission Gate
  • CMOS Multiplexer
  • Sample-and-Hold
  • Delayed Buffer
  • Leading-Edge Detector
  • Switchable Filter
  • Voltage Inverter
  • Inverter Amplifier
  • Inverter Oscillator
• 555 Timer Chip
  • 555 Timer Internals
  • Low-duty-cycle Oscillator
  • Monostable Multivibrator
  • Pulse Width Modulator
  • Pulse Sequencer
  • Schmitt Trigger (inverting)
  • Missing Pulse Detector
• Active Filters
  • VCVS Low-Pass Filter
  • VCVS High-Pass Filter
  • Switched-Capacitor Filter
  • Allpass
  • Allpass w/ Square
• Logic Families
  • NMOS
    • NMOS Inverter
    • NMOS Inverter 2
    • NMOS NAND
  • CMOS
    • CMOS Inverter
    • CMOS NAND
    • CMOS NOR
    • CMOS XOR
    • CMOS Flip-Flop
    • CMOS Master-Slave Flip-Flop
• Combinational Logic
  • Exclusive OR
  • Half Adder
  • Full Adder
  • 1-of-4 Decoder
  • 2-to-1 Mux
  • Majority Logic
  • 2-Bit Comparator
  • 7-Segment LED Decoder
• Sequential Logic
  • Flip-Flops
    • SR Flip-Flop
    • Clocked SR Flip-Flop
    • Master-Slave Flip-Flop
    • Edge-Triggered D Flip-Flop
    • JK Flip-Flop
  • Counters
    • 4-Bit Ripple Counter
    • 8-Bit Ripple Counter
    • Synchronous Counter
    • Decimal Counter
    • Gray Code Counter
    • Johnson Counter
  • Divide-by-2
  • Divide-by-3
  • LED Flasher
  • Traffic Light
  • Dynamic RAM
• Analog/Digital
  • Flash ADC
  • Delta-Sigma ADC
  • Half-Flash (Subranging) ADC
  • Binary-Weighted DAC
  • R-2R Ladder DAC
  • Switch-Tree DAC
  • Digital Sine Wave
• Phase-Locked Loops
  • XOR Phase Detector
  • Type I PLL
  • Phase Comparator (Type II)
  • Phase Comparator Internals
  • Type II PLL
  • Type II PLL (fast)
  • Frequency Doubler
• Transmission Lines
  • Termination
  • Mismatched lines (Pulse)
  • Impedance Matching (L-Section)
  • Impedance Matching (Shunt Stub)
  • Low-Pass Filter
  • Light Switch
• Spark Gap
  • Sawtooth Generator
  • Tesla Coil
  • Marx Generator