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 |

Variable Frequency Crystal Oscillator (2) (CB12257E)
Frequencies from 1 to 10 MHz can be obtained with a small adjustment of the variable in a narrow...
Two Controls Flasher (CB16241E)
This flasher of two incandescent lamps was discovered in a 1983 documentation and it has two...
Treble Booster (CB12322E)
We found this trebble booster circuit in a 1990 documentation. The components are current, and the...