Equivalent transistors can be used in this circuit for automotive applications in the 1980s. The frequency is given by the capacitor and the current of the lamp depends on the LM195 transistor.
Found in an article in the August 1971 Radio Electronics magazine, this circuit supports sensitive...
July 2017 - Mouser Electronics announced the availability of Littelfuse's GEN2 series Schottky...
This circuit is from Radio Electronics from April 1977. The circuit is for analog lines using...