Red alert (CB9082E)

This is another of the Star Trek red alert circuit that you can find on this site. We took this version from an English publication from the 80s.

| Clique na imagem para ampliar |

10 W amplifier TCA940N (CB15216E)
The integrated circuit used is not common today. The circuit is from the SGS linear integrated circuits...
Ultrasonic repellent 555 (CB24911E)
This circuit includes the power supply from the power grid. We found it in Radio Electronics from...
Analog Differentiator (CB26046E)
This circuit was found in the April 1998 issue of Electronics Now magazine. The circuit uses...