Signal Detector (CB6663E)

This 1970 circuit triggers a load when it receives a signal. Components are common and SCR admits equivalent to load.

| Clique na imagem para ampliar |

Control for Model Railroad (CB4350E)
This circuit was obtained from an English magazine from 1977. The magazine no longer exists, but...
Timer I (CB12724E)
The circuit in the figure uses two of the 4001's four gates to trigger a relay in a timed manner. The...
Sequential Flasher (CB7584E)
This circuit was found in a RE Experimenter Handbook from the 90's. The components are of the...