This indicator with the integrated circuits CA3162E and 3161E was published in the July 1990 issue of Radio Electronics magazine. The circuit can be used as a basis for 3-digit projects.
This circuit was found in an Electronics World of 1966. It has a range of 5 to 25 000 Hz at 1 dB...
We found this circuit in an American 1980s documentation. The circuit can be easily assembled in our...
The basic purpose of this circuit is to apply an audio signal to a video carrier for sound and...