This circuit was found in an American documentation from 1968. The circuit generates ladder-shaped signals adjusted in a potentiometer. Equivalent transistors can be used.
We found this circuit in Radio Electronics magazine from May 1967. The circuit has the tuned...
This circuit is based on a regulator component that consists of a transistor and zener in the same...
This circuit, based on a 555, was found in a Popular Electronics from the 90s. The circuit has the...