Stage with FET and Bipolar (CB6152E)

This circuit is from an Electronics World of 1967. The described calculations can be applied to equivalent circuits with modern transistors.

| Clique na imagem para ampliar |

Triac dimmer (CB7857E)
We have dozens of similar projects in articles and circuits on this site. This is from Radio...
Super regenerative detector (CB24292E)
This circuit with an unusual configuration was found in the January 1974 issue of Radio...
Low Voltage Regulator (CB6406E)
This interesting circuit from 1967 documentation uses three series lamps to regulate the voltage...