This voltage follower or amplifier with unit gain uses an unusual operational amplifier nowadays. The circuit can be implemented to use modern operationals. The power supply must be symmetrical.
The CMOS 4046 integrated circuit is not very common today, consisting of a very efficient PLL for...
This circuit was obtained from an American documentation from the 90's. The components can be...
We found this simple music box circuit that can also be used in a musical bell in a 1991...