This circuit with a maximum current of 50 mA was found in the August 1998 issue of Electronics Now magazine. The integrated circuit used is not very common today.
This circuit is from an old American documentation using LEDs in the rectification. The circuit...
General Electric suggests this circuit in an 80's documentation. The circuit makes use of PUTs...
This circuit was found in an 80's Electronic Engineering. The circuit uses a multivibrator with...