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BJT difference amp

BJT difference amp PUBLIC

by mrobbins | updated February 04, 2012

amplifier   bjt  

Cascode current mirror -- actively loaded differential pair amp

Cascode current mirror -- actively loaded differential pair amp PUBLIC

Q1 and Q2 are the main amplification. The four PNP BJTs provide a cascoded current mirror for super high gain active load.

by mrobbins | updated November 01, 2011

amplifier   bjt   cascode  

Op-Amp logarithmic amp

Op-Amp logarithmic amp PUBLIC

An op-amp, diode, and resistor can together be used to create a logarithmic amplifier, where the output voltage is proportional to the log of the input voltage.

by mrobbins | updated October 25, 2011

amplifier   nonlinear   op-amp  

Op-amp non-inverting amplifier

Op-amp non-inverting amplifier PUBLIC

by mrobbins | updated October 21, 2011

amplifier   op-amp  

Op-amp inverting amplifier

Op-amp inverting amplifier PUBLIC

by mrobbins | updated October 21, 2011

amplifier   op-amp  

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