Found in a 1968 publication, this circuit generates signals with the waveforms shown next to the diagram. Modern equivalent transistors can be used.
We found this circuit in an English publication from 1980. The maximum output current depends on...
This sophisticated circuit for the 90s car was found in the 1993 edition of Radio Electronics...
This circuit was found in a French documentation from the 80's. The circuit must be powered by a...