Variable current source (CB8467E)

This circuit supplies currents from 100 mA to 2 A per R. The circuit is from a 90s American documentation. The components used are common today.

| Clique na imagem para ampliar |

Electronic Fuse (CB10445E)
This circuit was published in an Italian magazine Radio Elettronica in February 1976. The...
35 to 5 V symmetrical converter (CB8176E)
Found in a Popular Electronics from the 90's, this circuit converts a 40 V symmetrical source to a 5...
Selective tone decoder (CB3957E)
This high selectivity circuit for single tone decoding was found in 1970s documentation. The coil...