The transistor in this project found in the July 1994 issue of Electronics Now magazine can be any general-purpose type. The circuit is powered by the relay voltage up to 12 V.
This 80s signal follower makes use of an audio amplifier of the era. The circuit can be adapted to...
This circuit may be modulated by a very low frequency signal, for example to obtain the vibrato...
We find this circuit in an American manual from the 80's. The circuit can be implemented with more...