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 AM micro-transmitter with power that can reach a few meters is from a publication from the...
This “zero crossing detector” was found in a manual of operational amplifiers from the 1980s....
This circuit was obtained in the SGS manual of linear integrated circuits of 1982. The maximum...