Audio Test Amplifier (CB21044E)

This circuit was found in an old Electronics Now. The integrated circuit can be of another type with the necessary circuit alterations.

| Clique na imagem para ampliar |

28 V to 5 V converter (CB7331E)
Found in National Semiconductor documentation from the 90's, this circuit has an output current of...
Transistor Characteristic Checker (CB3903E)
With this circuit it is possible to raise the characteristics of a transistor by checking its gain...
Current Transmitter for Resistive Loads (CB14316E)
The circuit presented is from the Linear Applications Handbook of the National Semiconductor of...