Username CircuitLab
Name Circuit Lab
E-mail
Location Every web browser in the universe
Member Since September 28, 2011
Organization CircuitLab, by NerdKits, L.L.C.
Website https://www.circuitlab.com/

CircuitLab's Bio

Official account for CircuitLab.

You can find many example circuits on this page.

You might also want to take a look at:

CircuitLab's Public Circuits:

Now showing circuits 1-20 of 30. Sort by

Improved Wire Colors and Thicknesses

Improved Wire Colors and Thicknesses PUBLIC

by CircuitLab | updated January 04, 2017

Welcome to CircuitLab

Welcome to CircuitLab PUBLIC

A quick demo for new CircuitLab users.

by CircuitLab | updated October 27, 2013

555 Timer as Pulse Width Modulation (PWM) Generator

555 Timer as Pulse Width Modulation (PWM) Generator PUBLIC

A 555 Timer can be used with variable "control" input to create a pulse width modulation (PWM) generator with its digital duty cycle varying based on an analog input voltage.

by CircuitLab | updated June 02, 2013

555   pwm  

BJT audio amplifier

BJT audio amplifier PUBLIC

A one-transistor amplifier, intended to amplify audio picked up by a piezoelectric transducer.

by CircuitLab | updated June 02, 2013

amplifier   audio   bjt   filter   frequency-domain   high-pass   low-pass  

555 Timer as Astable Multivibrator (Oscillator)

555 Timer as Astable Multivibrator (Oscillator) PUBLIC

A 555 timer can be used with a few resistors and a capacitor to make an oscillator, switching states as the capacitor charges and discharges.

by CircuitLab | updated June 02, 2013

555   oscillator   time-constant  

MOSFET switching inductive loads

MOSFET switching inductive loads PUBLIC

A n-channel MOSFET switches an inductive load, both with and without a diode to catch the voltage spike.

by CircuitLab | updated August 03, 2012

diode   flyback   inductive   mosfet   motor   power   relay  

Zener diode voltage reference

Zener diode voltage reference PUBLIC

A Zener diode provides controlled reverse breakdown, and can act as a fixed voltage reference.

by CircuitLab | updated May 17, 2012

voltage-regulator   zener-diode  

RLC resonance

RLC resonance PUBLIC

A square wave into a resistor, inductor, and capacitor can produce ringing and narrowband amplification

by CircuitLab | updated May 17, 2012

frequency-domain   resonance   rf  

Op-amp non-inverting amplifier

Op-amp non-inverting amplifier PUBLIC

Two resistors plus an op-amp form a gain-of-10 amplifier.

by CircuitLab | updated May 17, 2012

amplifier   op-amp  

Op-amp inverting amplifier

Op-amp inverting amplifier PUBLIC

Two resistors plus an op-amp form a gain-of-10 (inverted) amplifier.

by CircuitLab | updated May 17, 2012

amplifier   op-amp  

MOSFET (CMOS) NOR gate

MOSFET (CMOS) NOR gate PUBLIC

Two n-channel MOSFETs and two complementary p-channel MOSFETs form a two-input CMOS NOR logic gate.

by CircuitLab | updated May 17, 2012

cmos   digital   mosfet  

MOSFET (CMOS) NAND gate

MOSFET (CMOS) NAND gate PUBLIC

Two n-channel MOSFETs and two complementary p-channel MOSFETs form a two-input CMOS NAND logic gate.

by CircuitLab | updated May 17, 2012

cmos   digital   mosfet  

MOSFET and resistor NOR gate

MOSFET and resistor NOR gate PUBLIC

Two n-channel MOSFETs plus one pull-up resistor form a two-input NOR logic gate.

by CircuitLab | updated May 17, 2012

digital   mosfet   pull-up  

MOSFET and resistor NAND gate

MOSFET and resistor NAND gate PUBLIC

Two n-channel MOSFETs plus one pull-up resistor form a two-input NAND logic gate.

by CircuitLab | updated May 17, 2012

digital   mosfet   pull-up  

Mechanical spring dashpot Laplace model

Mechanical spring dashpot Laplace model PUBLIC

CircuitLab can be used to model some mechanical systems as well.

by CircuitLab | updated May 17, 2012

feedback   laplace   mechanical  

JFET-based electret microphone amplifier

JFET-based electret microphone amplifier PUBLIC

Most electret microphone modules today come with a built-in JFET to help provide a low-impedance output and noise resistance, but these must be biased properly.

by CircuitLab | updated May 17, 2012

amplifier   audio   bias-point   jfet  

Laplace transform step response and Bode plot

Laplace transform step response and Bode plot PUBLIC

CircuitLab can also handle arbitrary Laplace transform functions, and can produce step response plots in the time domain and Bode plots in the frequency domain.

by CircuitLab | updated May 17, 2012

bode   laplace  

Diode turn-off time

Diode turn-off time PUBLIC

Diodes can take a surprisingly long time to turn off, as we show in this demo.

by CircuitLab | updated May 17, 2012

diode   switching  

Diode full-wave rectifier

Diode full-wave rectifier PUBLIC

Four diodes (a "bridge rectifier") plus a capacitor can be used to rectify AC into DC, with conduction over most of the the input power cycle.

by CircuitLab | updated May 17, 2012

ac-to-dc   bridge-rectifier   diode   time-constant  

Diode half-wave rectifier

Diode half-wave rectifier PUBLIC

A single diode plus a capacitor can be used to rectify AC into DC, but often with a lot of ripple at the output.

by CircuitLab | updated May 17, 2012

ac-to-dc   diode   time-constant