TOP GUIDELINES OF COAXIAL SWITCH

It is really LM108 and LM112 (internally compensated) and there is really no trick there. It's got 1nA enter bias which happens to be rather steady with temperature as in most bipolar opamps mainly because β actually improves with temperature. Later on iterations like LT1008/LT1012 or OP97 pushed it right down toA Minimal Sound Amplifier is really