This circuit was found in an English publication from the 70s, an article that teaches how to calculate instruments. The circuit is still current and can be built with an analog indicator of 100 uA.
We found this configuration in the ON Semiconductor thyristor manual. The triacs depend on the...
This circuit was found in an old documentation. It converts DC voltages and its maximum current...
This circuit makes use of comparators and common operational amplifiers, having been found in...