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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 June 08, 2017

feedback   laplace   mechanical  

BJT Cascoded Active-load Differential Amplifier with CMFB

BJT Cascoded Active-load Differential Amplifier with CMFB PUBLIC

10 BJTs and an op-amp provide a gain of almost +70dB and about 16kHz bandwidth. A cascoded active load provides high-impedance load for the emitter-coupled pair.

by CircuitLab | updated June 07, 2017

amplifier   analog   bjt   cascode   feedback  

Instrumentation amp and DRL

Instrumentation amp and DRL PUBLIC

Instrumentation amplifier and driven-right-leg feedback circuit for biosignal recording.

by stephenr | updated April 03, 2017

amplifier   feedback   instrumentation-amplifier  

Simple LED circuit

Simple LED circuit PUBLIC

i have prepared this circuit to asuure the simplicity of LED circuits

by Abdul-rauf | updated January 22, 2013

feedback  

Robox's Multi-AC source - Loop gain / return ratio

Robox's Multi-AC source - Loop gain / return ratio PUBLIC

CircuitLab can calculate "return ratio" or "loop gain" to show when a dependent source can create an unstable system.

by mrobbins | updated December 20, 2012

feedback  

Robox's Multi-AC Source Question

Robox's Multi-AC Source Question PUBLIC

CircuitLab supports multiple AC input sources for frequency domain analysis.

by mrobbins | updated December 20, 2012

feedback  

Close loop servomotor

Close loop servomotor PUBLIC

A simple self close loop servomotor, for Rc model or headlight range adjustment or other simple application. You can use the L2722 (power operational amplifier) for drive load up to 1A of power...

by AndreaNew | updated October 04, 2012

cloose-loop   comparator   feedback   op-amp   positioning   rc   servo   servo-motor  

Trouble2

Trouble2 PUBLIC

This is a subset of "Trouble 1". This is the core voltage gain and DC bias feedback which would exhibit convergence difficulty on the old FET model. CircuitLab has fixed the model. This circuit now...

by anubi | updated May 18, 2012

amplifier   bjt   convergence   feedback   initial-conditions   jfet   level-shift   startup  

Sous Vide - Combined Thermal System and Control Loops

Sous Vide - Combined Thermal System and Control Loops PUBLIC

Simulatable combined feedback loops plus thermal model for the NerdKits Sous Vide Controller.

by NerdKits | updated May 14, 2012

block-diagram   feedback   thermal  

Sous Vide - Inner and Outer Feedback Loops

Sous Vide - Inner and Outer Feedback Loops PUBLIC

Block diagram of inner and outer feedback loops for the NerdKits Sous Vide Controller.

by NerdKits | updated May 14, 2012

block-diagram   feedback   thermal  

Sous Vide - Inner Feedback Loop

Sous Vide - Inner Feedback Loop PUBLIC

Block diagram of inner feedback loop for the NerdKits Sous Vide Controller.

by NerdKits | updated May 14, 2012

block-diagram   feedback   thermal  

AC Coupled Op Amp Non-inverting Amplifier

AC Coupled Op Amp Non-inverting Amplifier PUBLIC

by rhermosillo | updated April 04, 2012

ac   amplifier   feedback   non-inverting   op-amp  

More tags

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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.