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.
In the figure we have the way to obtain a monostable action by lighting an LED for a certain time...
This simple power supply is not regulated and the output current depends on the transformer. It...
This integrated is indicated for sound systems of stereo televisions and stereo radios. Its pinout...