This circuit is used to detect PLL signals from the 4046 IC. The circuit is from an Electronics Now from October 1994. The indication is made through LEDs.
This circuit performs the multiplication of voltages without considering its signal. The circuit is...
Found in an American publication from the 1980s, this circuit is designed to regulate the voltage of...
This damped oscillator generates percussion sounds played on a small amplifier. The circuit mimics...