Isolation Transformer (CB26033E)

The figure shows an excellent benchtop isolation transformer system. This circuit was suggested by Electronics Now in December 1997.

| Clique na imagem para ampliar |

Constant Current Source (CB6625E)
This two-transistor constant current source is from a 1968 documentation. Modern equivalent...
Electronic Bongo (CB19817E)
We found this circuit in an old documentation. The integrated circuits used are specific to...
Intercom gain remote control (CB6294E)
This circuit was found in a 1964 Electronic Design. The circuit can be implemented with equivalent...