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.
We found this circuit in the Motorola manual of the component itself. The transistor can be the...
This guitar effect circuit uses components that are still common in our market. We found the...
This circuit was published in an article in Radio Electronics magazine in October 1988. It uses...