1500W heating control (CB21379E)

This circuit was obtained from a 1967 GE SCR manual. The SCRs must be rated for the wattage of the controlled heating element.

| Clique na imagem para ampliar |

Capacitance Compensated Amplifier (CB3947E)
This circuit was obtained in a manual of the used old operational amplifier. However, the same...
AND and OR function with Diodes (CB19888E)
This circuit implements two logic functions at the same time. The diodes are for general use and...
Photo Darlington Activating a Relay (CB14627E)
This circuit was found in a technical documentation from Texas Instruments, using a...