Isolation Transformer (CB26033E)

The figure shows an excellent benchtop isolation transformer system. This circuit was suggested by Electronics Now in December 1997.

| Clique na imagem para ampliar |

Microphone Preamplifier (CB26214E)
We found this circuit in Radio Electronics Special Projects from 1992. The circuit turns on the...
Surge Protector (CB18721E)
This circuit acts on a relay disconnecting the load when the input voltage exceeds the set limit....
Transistor MW Transmitter (CB19090E)
This experimental short-range transmitter came out in a 1972 publication and was designed to...