Vacuum | Tube

A glass or metal container that prevents air molecules from disrupting electron flow. Common Types

Introduced the grid for amplification.

Examples include "magic eye" tubes for signal display, thyratrons, and magnetrons. Key Technical Details vacuum tube

Heated (white-hot) to "boil off" electrons via thermionic emission. A glass or metal container that prevents air

Include additional grids to improve efficiency and reduce signal distortion. vacuum tube