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.
Bis This two-transistor circuit was found in the January 1994 issue of Electronics Now magazine. The...
We found this circuit in an old English documentation. The circuit can employ other gates and...
The circuit of the figure operates in an overtone of the crystal frequency, that is, in the...