This simple Morse Code oscillator was found in a 1980s American documentation. The power supply should be powered with 5V and the integrated can be the 7400.
This circuit is indicated for applications in alarms generating an intermittent high-power tone in a...
In the figure we have a three-phase AC motor control for voltages up to 600 V or 1200 V depending on...
This traditional dimmer configuration with SCRs, but with full wave control was found in a 1988...