We found this circuit in the March 1995 issue of Electronics Now magazine. The circuit has a frequency range determined by C1 and R3. The signal generated is square.
This circuit produces signals that depend on the input control voltage. It is a Voltage Controlled...
This simple circuit uses a zener diode and two LEDs to indicate whether the voltage of a power grid...
We found this circuit in a 1981 publication. We applied an audio signal, for example, a music...