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.
Found in an American documentation from the 90s, this circuit has a configuration that has been...
This Ditherizing circuit is used in digital audio for effect production. The circuit is from a...
This PLL with operational amplifiers was found in 1969 documentation. The configuration can be...