Activates electronic vacuum tubes are composed of 3 parts: the filament or cathode, grid and anode plate or vacuum tube triode This is the first RF amplifier power .
Vacuum tube type electronics, sculptor There are 3 elements, including filling or Casa Thomas, grid and anode or template a vacuum tube triode signal amplifier as well as electrical equipment for the first type .
There are vacuum tubes affixed electronic device type 3 component parts, or sausage, Mr. Toda, a grid and Template or an application that is a vacuum tube, the video. This is the first expansion of the electrical signal