Discrete Circuits
(w/ OPAmp Hyblid)
Photograph:Hassy@MetaDesignWork
(C)2013-2014 Hassy All Right Reserved
Discrete Tester/Analyzer






















Discrete OPAmp


















Line Buffer w/Audio Transformer




Full Discrete 5Band Eq


Full Discrete 3Way Isolator


Full Discrete Regulator



    

    





Ripple Filters / Regulators












Full Discrete Line Buffer/Driver
Transistor Darlington Driver



Transistor Line Buffer

    

Transistor Summing/Gain Buffer





Bozak UK AR-6

FET Source Follower

    







FET Source Follower
w/constant current
    

    



Discrete w/OPAmp Line Buffer/Driver
FET Darlington w/OPAmp Driver

    

    

Line Buffer/Transistor Diamond P-P
w/OPAmp Driver w/Transformer

    

Effect Send Buffer/Transistor Diamond P-P
w/OPAmp Driver & Return (LineBuffer)

    


    


    




LineBuffers/Drivers
Stereo Unbalanced
Transistor Diamond P-P w/OPAmp Driver

Stereo Balanced
w/Transistor Diamond P-P w/OPAmp Driver
    

Stereo Line Driver/Headphones Amp

Stereo Line Driver/Headphones Amp

Stereo Line Driver/Headphones Amp(FET Driver)


For DC
(not for audio, but same as audio)
    

    

    


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Meta Design Work