This circuit was found in a 1999 publication. Its purpose is to flash two LEDs according to the sound of an equipment and to randomly flash three LEDs at a controlled frequency
The basic purpose of this circuit is to apply an audio signal to a video carrier for sound and...
We found this circuit in Motorola's Circuit Applications for the Triac 1971 manual. The circuit is for ½...
This circuit for medium and short-wave ranges, according to the transistor used, was obtained in...