Now showing circuits 1-20 of 39. Sort by

Arduino NPN power drive

Arduino NPN power drive PUBLIC

by paulmirel | updated February 16, 2017

arduino   npn   power   star-point   transistor  

BJT Transistor Book Problem

BJT Transistor Book Problem PUBLIC

by jonesontherun | updated November 29, 2016

bjt   transistor  

magnetic switch/transistor

magnetic switch/transistor PUBLIC

A circuit from a Forrest Mims III book. Comments welcome.

by ronneyg | updated September 05, 2016

led   transistor  

NPN Switch for Tesla Coil

NPN Switch for Tesla Coil PUBLIC

by jeremy.kephart | updated April 15, 2016

switch   transformer   transistor  

NPN power output

NPN power output PUBLIC

by paulmirel | updated September 25, 2015

basic   npn   transistor  

Transistor Amp (current limited)

Transistor Amp (current limited) PUBLIC

by mad_scientist_kyouma | updated November 24, 2014

amplifier   bias-point   common-emitter   transistor  

Darlington Triplet

Darlington Triplet PUBLIC

by smackmillan | updated April 02, 2014

darlington-triplet   transistor  

BJT transistor

BJT transistor PUBLIC

by waledtayib | updated December 04, 2013

bjt   transistor  

Two Transistor Amplifier

Two Transistor Amplifier PUBLIC

Two transistor amplifier. Gain of about 30 times (inverted) and low impedence output.

by luigi.maroni | updated September 30, 2013

amplifier   emitter-follower   gain   transistor  



by yengcorral | updated August 15, 2013

diode   dpdt   dpdt-relay   relay   transistor  

Basic (CMOS) Inverter

Basic (CMOS) Inverter PUBLIC

MOSFET (CMOS) inverter

by ACDC | updated June 19, 2013

basic   digital   inverter   mosfet   transistor  

NPN transistor

NPN transistor PUBLIC

by kokang | updated May 31, 2013


Single to dual power supply

Single to dual power supply PUBLIC

This is a circuit that converts a single supply to a double supply without using a centre tapped transformer.

by shagas | updated May 15, 2013

dual   dual-power-supply   op-amp   power   power-supply   supply   transistor  

Led Flasher

Led Flasher PUBLIC

This is a circuit which uses an npn and pnp transistor to briefly flash an LED every few seconds

by shagas | updated May 06, 2013

flasher   led   led-flasher   npn   pnp   timed   transistor  

Voltage Controled Current Sink

Voltage Controled Current Sink PUBLIC

Opamp and transistor used to convert a voltage to a current. The voltage to current relationship can be tailored using the following formula: I = Vc/R1 Set R1 to a value that will produce the desired...

by ReverseEMF | updated April 06, 2013

constant-current-source   currentsink   opamp   transistor   volt-to-current-simk  


inverter PUBLIC

by pinsiso | updated April 01, 2013

inverting   transistor  

Sziklai pair

Sziklai pair PUBLIC

by theuscr | updated March 29, 2013

dc   low-dropout   sziklai   transistor  

dual led fader

dual led fader PUBLIC

by stripwax | updated March 03, 2013

fade   led   pulsing   rc   transistor  

Sawtooth generator

Sawtooth generator PUBLIC

This is a simple sawtoothgenerator, build with a simple PNP and 2 NPN's.

by WouterL | updated March 01, 2013

generator   saw   sawtooth   tooth   transistor  


transistorhw PUBLIC

this is using a transistor, numbers are a little different than theoretical answers

by fortoboy | updated February 21, 2013

electronics   homework   transistor  

More tags

555   7805   ac-to-dc   active-filter   amplifier   analog   and   anode   attenuator   atx   audio   automotive   band-reject   bandgap   behavioral   bias-point   bjt   bode   bridge-rectifier   button   calculator   cascaded-filters   cascode   cathode   cmos   colpitts   compensation   constant-current-source   current-limiting   current-mirror   current-monitor   current-regulator   dac   dc-to-ac   device-modeling   differential   differentiator   digital   diode   divider   emitter-follower   feedback   filter   flyback   flyback-diode   frequency-domain   full-wave   guitar   ham-radio   high-pass   high-speed   high-voltage   hv   hysteresis   ic   ignition-coil   induction   inductive   inductive-load   initial-conditions   instrumentation-amplifier   integrator   inverting   jfet   laplace   led   led-array   level-shift   lighting   lipo   lm317   load-cell   logic-gate   low-pass   mechanical   microcontroller   microphone   mosfet   motor   multivibrator   non-inverting   nonlinear   nor   notch   ohms-law   op-amp   optical   or   oscillator   parallel   passive   passive-filter   pcb-design   phase-shift   photodiode   photoresistor   phototransistor   piezo   plants   potentiometer   power   power-supply   power-supply-unit   preamp   pull-down   pull-up   pwm   rc   relaxation-oscillator   relay   resistor-ladder   resonance   rf   rlc   rom   saturation   schmitt-trigger   sensor   series   servo-motor   signal   spark-plug   stability   stepper   summing   superposition   switching   time-constant   transformer   transistor   translinear   twin-t   voltage-divider   voltage-regulator   waveform-arithmetic   wiring   xnor   xor   zener-diode   zero-voltage-switching  

About CircuitLab

CircuitLab is an in-browser schematic capture and circuit simulation software tool to help you rapidly design and analyze analog and digital electronics systems.