Additional Pull Pull (CB6119E)

This stage was found in a 1964 Electronic Design. The transistors are of the time and the shape of the signal obtained is shown in the diagram.

| Clique na imagem para ampliar |

Musical Doorbell (CB12314E)
This circuit is from a 1988 publication, but we can assemble it with some component changes. For...
Instrument driver (CB7357E)
This circuit was found in American documentation from the 1960s. The operational amplifier is from that...
1 W amplifier (CB8948E)
This circuit was obtained in a 90s American documentation. The integrated circuit used is uncommon...