Common Mode Differential Amplifier

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peace_lp
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Hi,
does anyone know what are the 4 different cases in a common mode differential amplifier?
thanks a lot for all of your help.

thanks,
peace
 
Engineering news on Phys.org
Well, "common mode differential amplifier" is an oxymoron. It contradicts itself. Quiz question -- why is it an oxymoron?

Could you please restate the question?
 

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