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.
Using a component of the era, this 1968 Mallory circuit uses an output transformer whose...
May 2017 - These new Vishay sensors can now be purchased from Mouser Electronics and have a 12-bit...
This 2mA source was found in a 1968’s Philips documentation. The transistor may be the BC549. |...