THE 5-SECOND TRICK FOR PIN DIODE SWITCH

It is LM108 and LM112 (internally compensated) and there is absolutely no trick there. It's 1nA input bias that's pretty stable with temperature as in the majority of bipolar opamps for the reason that β essentially improves with temperature. Later iterations like LT1008/LT1012 or OP97 pushed it down toMade because of the Diamond brand name, this