Found in a 1967 General Electric SCR manual, this circuit triggers in case of excess current, causing the fuse to blow or a circuit breaker to open. The components are from the era.
This speed control for motors up to 500 mA was obtained in an old European documentation, but it...
This circuit cuts a rectangular signal, and a trapezoidal signal is obtained. The circuit is from...
This low frequency sinusoidal oscillator was obtained in documentation from the 1970s. Operational...