This xenon flasher version for the power grid is from an 80's EDN. The circuit uses a folder and a pulse transformer to trigger the lamp. C1 determines the intensity of the pulses.
In the figure we have a sensor circuit that makes use of common transistors and a photo diode as...
This unusual configuration, but which has already been explored in other articles, uses diodes in the...
This circuit uses a modulated signal from a PLL 567 to operate safely with an infrared emitter. The...