4W Amplifier (CB6205E)

This high gain circuit is from 1969 General Electric documentation. The transistors are of the time, but equivalent types can be tested.

| Clique na imagem para ampliar |

Triac Power Switch 2 (CB12412E)
This circuit, well known, since it is already present in other points of this website, is from an...
Three-Input AND Gate LM139 (CB14238E)
The presented logical configuration uses one comparator of the four existing in an LM139 or...
5 V regulator MC34063 (CB14556E)
The integrated circuit used is no longer common today. The circuit is from Motorola's 1990 Linear...