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 circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
This circuit was obtained in a 1969 documentation. The circuit modulates both the emitter current and...
The integrated circuits used in this 1989 project are uncommon today, including the IF coil that...