drhawley's Profile

Op-Amp Oscillator PUBLIC

A simple op-amp circuit for generating square(-ish) waves

by drhawley | updated April 08, 2016

astable-multivibrator   op-amp   oscillator   relaxation-oscillator  

Comparator + Noise PUBLIC

Sets up the Schmitt Trigger discussion

by drhawley | updated April 07, 2016

Schmitt Trigger PUBLIC

Basic (non-inverting) Schmitt Trigger circuit, which is like a comparator but with separate voltages for switching HI vs LOW.

by drhawley | updated April 07, 2016

op-amp   schmitt-trigger  

square-wave-generator, redrawn PUBLIC

Essentially the same oscillator / astable multivibrator circuit as before, just built a little differently

by drhawley | updated April 07, 2016

oscillator  

When Compressors Attack - Sine Wave PUBLIC

by drhawley | updated February 15, 2016

Compressor Peak Detector - Square Wave PUBLIC

by drhawley | updated February 15, 2016

Compressor Peak Detector - User Waveform PUBLIC

by drhawley | updated February 15, 2016

RC - Charging & Discharging Capacitor PUBLIC

by drhawley | updated February 26, 2013

Distortion PUBLIC

by drhawley | updated April 24, 2012

VU Meter with LEDs PUBLIC

A stack of comparators can be used to make a little row of LEDs for a visual meter. Click "Run Simulation" and then Time Domain... Watch the different LEDs "turn on," graphically, as the input ramps...

by drhawley | updated April 18, 2012

Ben's Resonator Circuit PUBLIC

by drhawley | updated April 18, 2012

Active_LowPass_HighBoost PUBLIC

by drhawley | updated April 17, 2012

Diff Amp 2 PUBLIC

by drhawley | updated March 28, 2012

Grob's, Problem 22-43 PUBLIC

Grob's Basic Electronics, 10th Edition. Chapter 22, Problem 43.

by drhawley | updated March 12, 2012

Half-Wave Rectifier PUBLIC

by drhawley | updated March 01, 2012

Comparator PUBLIC

by drhawley | updated March 01, 2012

Damped Resonant Notch Filter PUBLIC

by drhawley | updated March 01, 2012

Op-amp inverting amplifier by CircuitLab.com PUBLIC

by drhawley | updated March 01, 2012

Op-amp noninverting amplifier by CircuitLab.com PUBLIC

by drhawley | updated March 01, 2012

3-Way Crossover (1st Order) PUBLIC

by drhawley | updated March 01, 2012