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.
We found this circuit in an old American documentation. The circuit can be applied to modern...
This full-wave circuit was obtained in Motorola's 1974 unijunction transistors manual. The circuit...
This circuit, very critical due to the frequency at which it operates, was found in an American...