Will The tubes glow?

The electron tube certainly shines. 1 . When you open the back cover of an electronic tube device, you will find that each tube emits an orange light, which is the light emitted by the filament of the tube, which is necessary to heat the cathode of the tube. 2, of course, you may be asked whether the tube has a light-emitting diode as a lamp to use the tube. Yes, the early use of radio tuning instructions for 6E1, 6E2 to emit green light, 6E1 of the spot is fan-shaped, 6E2 of the spot is a bar. 3, the most commonly used tube (cathode ray tube CRT)-micro-computer monitors and ordinary television display tube, not only can light, but also can be used in a variety of colors to display text and images. 4. CRT display will be replaced by color LCD display, like commonly used tubes by transistors, integrated devices replaced, in most cases, the tube has exited the historical stage. However, in high-power transmission equipment, as a key device, the tube is still irreplaceable, at least not currently replaced.

Will The tubes glow?