6W HiFi Amplifier (T480E)

This 4-tube amplifier with 6W of output was found in an American manual from 1947. The sound quality is excellent.

| Clique na imagem para ampliar |

Negative Ramp Generator (CB13513E)
The 566 is a double 555. This circuit, found in a 1977 Signetics manual, generates a ramp whose...
RF Modulator (CB20769E)
This circuit was found in documentation from the 1970s. The transistor supports modern...
Precision Timing (CB16608E)
This circuit was found in a 1987 documentation. It is a timer that takes advantage of the signal of...