2 W amplifier LM380 (CB20053E)

This factory circuit appears elsewhere on this site. This is from a 1975 National technical documentation.

| Clique na imagem para ampliar |

One Tone Generator (CB447)
This simple experimental circuit using only transistor produces a tone given by C1 and C2. Tone is...
Digitally controlled mixer (CB9036E)
This circuit, which can be used as a shield, was found in American documentation from the 1970s....
nverter 60 Hz x 110 V (CB20064E)
I This well-crafted circuit was found in an American documentation from 1975. The components are...