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 3 and-a-half digit circuit was found in a Teledyne documentation from the 90s. The circuit uses...
We found this circuit in an English publication in 1976. The circuit is based on the use of a...
This filter of two transistors has the cutoff frequency determined by the formulas next to the...