Found in an Electronics World of 1968, this circuit is indicated for applications in photography making the control of a camera aperture. The components are from the time.
This traditional version of a double time constant dimmer using triac is from the 90s...
This circuit was found in the ON Semiconductor's Thyristor manual of the 1980s. The high quality...
August 2017 - This Maxim component, available from Mouser Electronics, is ideal for wearables,...