"audio"-tagged Public Circuits

Single Supply Mic Amp w power supply rej PUBLIC

This circuit is a simple mic-bias circuit for single supply applications with simple power supply rejection. Use any suitable op amp with supply voltage and gain BW response for your application....

by manu | updated April 02, 2013

audio   battery-powered   compander-code   mic   mic-bias   preamp   single-supply   supply-rejection  

Single Supply Simple OpAmp gain circuit for mic test on microntrollers w A/D PUBLIC

Simple amplifier which takes mic audio input and provides gain & DC centering for single supply microcontroller input

by manu | updated March 16, 2013

analog   audio   battery   microphone   preamp   single-supply  

Single Transformer Pre-Amp PUBLIC

by AMZ | updated May 15, 2012

amplifier   audio  

TangentSoft CMoy PUBLIC

by TroyDowling | updated March 21, 2014

amplifier   audio   cmoy  

Tonebender 3-knob PUBLIC

A three-knob Tonebender fuzz circuit. See tonepad.com for details...

by geedeebee | updated January 07, 2014

audio   guitar   pnp   stompbox  

Twin T PUBLIC

by alkopop79 | updated April 12, 2013

audio   drum   oscillator   sine   synt   twin-t  

USB Powered Audio Trigger PUBLIC

Purpose: Using the power from a USB port and an audio signal from the headphone jack this circuit produces a signal which may be used to trigger other devices such as relays etc.

by reillyp | updated August 08, 2012

audio   trigger   usb  

wave folder PUBLIC

Ken Stone's 'Simple Wave Folder' circuit.

by alkopop79 | updated January 13, 2014

audio   distortion   processor   signal   synth