This circuit that appears in other points of this section and on this website serves to activate a lamp in the event of a power failure. This version is from 1967 documentation by General Electric.
This circuit is from a 1968s Motorola documentation. The load can range from 10 to 100ohm and the...
This circuit was found in a 1982 Maplin magazine (England Component Store). The circuit has...
This circuit was found in an American 1980s documentation. It analyzes the exhaust gas of a...