The US names "vacuum tube", "electron tube", and "thermionic tube" all simply describe a tubular envelope which has been evacuated ("vacuum"), has a heater and controls electron flow.

Jul 23, 2025 · Vacuum tubes are Electron tubes that regulate electron mobility and, therefore, electrical current in a high vacuum environment. Utilizing vacuum tubes, one may also use …

Apr 30, 2025 · A vacuum tube, also called an electron tube, is a sealed-glass or metal-ceramic enclosure used in electronic circuitry to control the flow of electrons between the metal …

An electron tube has two or more electrodes separated either by vacuum (in a vacuum tube) or by ionized gas at low pressure (in a gas tube). Its operation depends on the generation and …

Jan 19, 2018 · Despite the emergence of the transistor, vacuum tubes aren’t completely extinct, and they remain useful in a handful of niche applications. For example, vacuum tubes are still …

What are the different types of vacuum tubes? We explain the 14 different types of vacuum tubes (& what they are used for)

May 7, 2025 · Vacuum tubes, also known as electron tubes or thermionic valves, are devices used to control electric current flow in a vacuum. They consist of a sealed glass or metal …

To make a good tube, the pump must make a vacuum with no more than a millionth of the air pressure at sea level (one microTorr, in official technical jargon). The "harder" the vacuum, the …

Apr 15, 2023 · What Is The Vacuum Tube? A vacuum tube is an electronic device that was widely used in early electronic equipment such as radios, televisions, and computers. These tubes …

Sep 10, 2024 · The vacuum tube is a glass tube with its gas removed, creating a vacuum. Vacuum tubes contain electrodes for controlling electron flow and were used in early …