Now showing circuits 41-48 of 48. Sort by

Differential FET-BJT Amplifier

Differential FET-BJT Amplifier PUBLIC

Stripped down version of "Geophone amplifier".

by anubi | updated May 20, 2012

amplifier   audio   bias-point   bjt   jfet   level-shift  

differential FET/BJT amp 2

differential FET/BJT amp 2 PUBLIC

Differential FET input, single supply, referenced to ground. V6 or R13 sets bias point. Differential in. Differential out. Note Q1, Q2 feed back through Q5E to improve CMRR and stabilize bias over...

by anubi | updated May 20, 2012

amplifier   audio   bjt   differential   jfet  

Geophone Amplifier

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  

Single Transformer Pre-Amp

Single Transformer Pre-Amp PUBLIC

by AMZ | updated May 15, 2012

amplifier   audio  

Crossfeed

Crossfeed PUBLIC

Passive Crossfeed for iPhone and other music/mp3 players, see http://la3za.blogspot.com/2012/05/passive-crossfeed-for-iphone.html

by sverreholm | updated May 07, 2012

audio  

Quasi NMOS

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  

DX Amp

DX Amp PUBLIC

This is a simple 50 watt audio power amplifier circuit that was designed by Brazilian Carlos Mergulhão who offers it freely to the DIY community -- for non commercial use. It has since become renowned...

by TAJ | updated March 13, 2012

amplifier   audio   bjt  

MA-6900 Power Amp

MA-6900 Power Amp PUBLIC

McIntosh MA - 6900 Power Amp

by guygo | updated February 28, 2012

audio   power-amp  

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