Integrated signal generator appeared in Radio Electronics magazine in January 1968. The integrated circuits are from the time and the generator produces signals from 5 Hz to 50 kHz.
This circuit can control motors up to 40 V with a current up to 2 A and with appropriate...
This xenon flasher version for the power grid is from an 80's EDN. The circuit uses a folder and a...
The transistors of this circuit may be the BC548 or BC549 and its power supply can be performed...