This is one of the many versions of this type of indicator that the reader can find on our website. This is from Mullard's 1969 documentation. The indicator is 95 uA (100 uA).
The purpose of this circuit is to indicate which of the two cars crosses the finish line first on a...
This circuit was obtained in an old Elektor. It is a reference, since the integrated products of the...
This configuration, found in many publications, is from an American book from 1981. The power...