This circuit is from a Radio Electronics from December 1964. The components are from the time and modern equivalents for transistors and diodes can be used.
Found in an Analog Devices documentation from the 90s, this circuit uses a component of the time,...
The A3906 integrated circuit from Allegro MicroSystems (www.allegro.com) consists of a single-step motor...
This circuit makes two lamps (or LEDs) blink at a speed that depends on C1 and C2. Any MOSFET can...