Found in a 1980s American documentation, this circuit is based on the common CMOS series activating a relay. The circuit is double-timed.
This circuit is from a publication from the 50's. Inductive components are critical, and...
This simple two-transistor circuit used transistors from the 60s, having been found in a...
This circuit uses an oscillator that generates a signal of approximately 1450 kHz to test...