Found in a 1965 Electronic Design, this circuit produces a signal with the waveform shown in the figure from an input pulse. Components admit equivalents.
This sensor was published in Radio Electronics magazine in April 1962. The two-transistor circuit...
Another of the many similar configurations we have in this section. This one is from a Radio...
This circuit like the previous one is intended for 24V x 3W solenoids being connected from the...