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 is from a 1967 documentation. It makes use of varicap and diode tunnel in addition to...
Author: Newton C. Braga Published:July 5, 2016 Formato:Book and e-Book Pages:...
This circuit is from an American publication of 1978. It can be assembled with modern transistors, since...