In the 110 V network, capacitors of 200 V or more and in the 220 V network, capacitors of 400 V or more, can be tested in this simple circuit. The indication is given by a neon lamp.
This ground-based circuit was found in 1990s American documentation. The transistor can be any...
We found this circuit in a Radio Electronics issue from November 1976. The circuit is for vehicles of...
With this circuit it is possible to obtain a voltage modulated in amplitude with a maximum current of...