Light out switch (CB8331E)

This highly sensitive circuit was found in a 1967 General Electric SCR manual. Equivalent components can be used.

| Clique na imagem para ampliar |

Battery test circuit (CB7132E)
Found in an Electronic Design from the 90's, this circuit indicates three voltage levels by...
VHF receiver (CB8489E)
This circuit was found in a 1965 General Electric documentation. It is intended for reception of the...
Sallen Key Low Pass Filter (CB6656E)
This filter was found on a 90's Radio Electronics. With the components used the cutoff frequency...