Am 16.04.2011 09:53, schrieb lanterma at ece.gatech.edu: > Anyone by any chance know what the purpose of that JFET is? I'd say, this gate grounded amplifier is there to reduce the Early effect on Q6 and Q7. Nothing weird at all... :-) Cheers, René -- uzs159 at uni-bonn.de http://www.uni-bonn.de/~uzs159