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 filter with the 741 has a Q factor of 8 at the frequency of 1 kHz. The circuit is from a...
The presented circuit emulates a precision diode. The operational can be replaced by a more modern...
This circuit was found in Intersil's documentation from the 70's, being indicated for powering...