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 |

Galvanometer amplifier (CB21651E)
Obtained from a 1967 documentation, this circuit uses transistors from the time. The galvanometer can be a...
Bidirectional DC Motor Control (CB19566E)
Motors up to 2 A can be controlled by this circuit, which requires a symmetrical source. Although...
Six Transistor Superheterodyne Receiver (CB964E)
This sensitive MW receiver was found in a publication of year 1958., The circuit uses germanium...