This is the traditional voltage follower configuration with the 741 operational amplifier. The circuit is from 1976 documentation and the power supply must be symmetrical from 6 to 15 V.
This circuit is from a 1977 Radio Shack documentation. In it we have the activation of an LED for...
This circuit was suggested by National Semiconductor in one of its manuals. The LM108 integrated...
We found this circuit in a 1981 publication. Its purpose is to measure resistances of very low...