This circuit was found in the 1991 Electronics Experimenters handbook. It can be used to display RGB signals on old NTSC televisions.
This circuit is from an American publication of the 80's. It makes use of components of the time....
The integrated circuit used in this Electronics Now amplifier is not very common today. However,...
This PA or Public Address amplifier with a few watts of power was found in the March 1986 Radio...