This emitter follower simulator circuit was obtained in a 1964 documentation. The circuit can be designed based on a modern transistor.
This is the well-known lightning lamp that was published in the March 1988 issue of Saber...
This circuit generates a frequency modulated tone with excellent power. Other power MOSFETs can be...
Found in a 1967 documentation this circuit can be applied to any operational amplifier. Components...