Locked solid state relay (CB8394E)

We found this circuit in a 90s Electronic Design. The components admit current equivalents. The circuit can act as a shield.

| Clique na imagem para ampliar |

Simple Metal Detector (CB5335E)
This metal detector circuit uses an AM radio as an indicator. The radio is placed off-station and tuned...
Bootstraped Source Follower (CB6156E)
This configuration was found in an English magazine from 1965. It is valid for any junction FET. The...
Adder with the 741 (CB25794E)
More inputs can be added to this adder that we found in the January 1995 Electronics Now magazine....