This TTL shield with high level logic is from the LM111's own 80's manual. The integrated circuit is no longer easily found, but the circuit can be adapted to use modern equivalent operational amplifiers.
This circuit is from the 1993 Motorola Linear Interface Circuits. The source does not have to be...
The LM12 integrated circuit can provide a maximum current of 4 A with a symmetrical supply of 40...
We found this circuit in a Radio Electronics from 1989. It is a common configuration in which you...