Found in a 90s Electronic Design, this circuit can provide a relatively high-power output. The basic frequency is given by resistors and capacitors without values.
We found this circuit in the December 1998 issue of Electronics Now magazine. RF transistors such...
This circuit was found in an American documentation from the 80's. The sensor is a special...
This circuit automatically controls the degree of illumination. As the circuit is from 2001, it...