"audio"-tagged Public Circuits

FetSwitch PUBLIC

by e3205550 | updated March 05, 2020

audio   jfet  

Filtro de audio de baja frecuencia (LMF) PUBLIC

by qsaldana | updated April 17, 2015

active-filter   amplifier   audio   filter   high-pass   low-pass  

Filtro Paso Banda Audio PUBLIC

Fitro paso banda audio 300Hz-3000Hz

by qsaldana | updated April 17, 2015

active-filter   audio   band-pass  

Filtro Paso Banda Audio PUBLIC

by qsaldana | updated April 17, 2015

active-filter   audio   band-pass  

Geophone Amplifier PUBLIC

Single-supply voltage. High-impedance differential input referenced to ground. Low impedance differential line-driver output. This circuit would not converge with old JFET model. CircuitLab fixed the...

by anubi | updated May 19, 2012

amplifier   audio   bjt   differential   jfet   level-shift   startup  

JFET PreAmp PUBLIC

by geedeebee | updated January 07, 2014

audio   guitar   jfet   preamp   stompbox  

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 June 08, 2017

amplifier   audio   bias-point   jfet  

JLH_amp_1 PUBLIC

by temz.alex | updated August 22, 2016

amplifier   audio  

Line level to Mic level converter PUBLIC

Convert line level signal to mic input signal level. Level out = V1 * (R2 +R3)/(R1 + R2 + R3). The actual R values are not so important. Important is the ratio between them. Example: 1 volt in and...

by aweijnitz | updated June 13, 2020

audio  

Linkwitz transform PUBLIC

Linkwitz transform for EQing speaker drivers

by endolith | updated January 17, 2013

active-filter   audio   frequency-domain   loudspeaker   op-amp  

LM386 PUBLIC

by mk5734 | updated July 27, 2018

amplifier   audio   bjt   lm386  

MA-6900 Power Amp PUBLIC

McIntosh MA - 6900 Power Amp

by guygo | updated February 28, 2012

audio   power-amp  

MadProf Stone Grey Distortion PUBLIC

Mad Professor Stone Grey Distortion circuit. Very interesting clipping and feedback!!

by geedeebee | updated January 05, 2014

audio   guitar   op-amp   stompbox  

Make: Electronics p.91 - Exp 11 Alarm Audio Oscillator PUBLIC

Audio oscillator circuit for alarm project p91 of Make: Electronics book. I had to cheat on the PUT component which doesn't exist in the Circuit Lab toolbox.

by dlbewley | updated March 03, 2013

alarm   audio   make   oscillator  

MOSFET BOOST PUBLIC

by geedeebee | updated January 09, 2014

audio   guitar   mosfet   stompbox  

Opamp Differential Output Stage PUBLIC

Unbalanced to balanced audio output stage. The inductor and capacitors on the output are for RFI protection and should be chassis grounded. Output coupling capacitors are for blocking +48v phantom...

by RitchRock | updated September 22, 2016

audio   balanced   balanced-line-driver   output   output-stage  

Parametric EQ Boost / Cut PUBLIC

A parametric mid-boost/cut with variable frequency and 'Q'

by luigi.maroni | updated November 27, 2013

audio   boost   cut   eq   parametric  

Quasi NMOS PUBLIC

The Quasi NMOS 350 Audio Power Amplifier was designed in the mid-2000's by a wonderful Australian fellow known on the Internet as Quasi. Quasi dragged a 1960's quasi-complementary output circuit...

by TAJ | updated April 07, 2012

amplifier   audio   mosfet  

ReAmpDI PUBLIC

by Moroccomoose | updated September 19, 2012

audio   di   impedance-matching   re-amp  

Signal Mixer PUBLIC

by guidanoli | updated July 05, 2019

audio