This circuit was obtained from the February 1992 Radio Electronics magazine. In it, a bar of 4 LEDs flashes continuously at a speed given by C1 and the setting of R3.
This circuit was found in a 90s Electronic Design. The circuit was designed to be powered by a 4 - 20 mA...
The TL431 integrated circuit consists of a programmable shunt regulator with an internal...
This circuit was found in a 1963 publication. Its purpose is to convert sinusoidal signals from...