Vacuum tube

A vacuum tube, also called a valve in British English, is an electronic device used in many older model radios, television sets, and amplifiers to control...

which would prevent the tube from working, the air is taken out of the tube, making a vacuum. The electrons hit the front of the tube, where a phosphor screen...

Wiktionary has a definition for: tube. Tube may refer to: Electronics vacuum tube, a component of electronics cathode ray tube, a common component of electronics...

A tube amplifier is a sound amplifier that uses vacuum tubes instead of transistors to amplify signal. Some people think the sound from tube amplifiers...

The video camera tube was a type of vacuum tube used to capture television images between the 1930s and 1980s. A video camera tube uses a lens to focus...

Tube sound (or valve sound) is the sound produced by a vacuum tube-based audio amplifier. All amplifiers distort to some degree; some audiophiles prefer...

(“valve” in British English) is a type of empty tube with wires in it (vacuum tube). It is not a vacuum tube diode, which has only two wires (electrodes)...

vacuum tube radios. Transistor radio broadcasting receivers for portable use were sold in great numbers starting in the late 1950s. Soon, vacuum tube...

Geissler tube,and Philipp Lenard did experiments that led to the development of the vacuum pump. Both technologies were used to develop the discharge tube. The...

seen in vacuum tubes. It is called a "cathode ray" because the electrons are being emitted from the negative charged element in the vacuum tube called...

noise and could not pick up all sounds so were not ideal. In 1920, the vacuum-tube hearing aid was created by Earl Hanson who was a naval engineer. These...

filament glows. It may also be known as the electron emitting element in a vacuum tube. To make the bulb produce more light, the filament is usually made of...

The cavity magnetron is a high-powered vacuum tube that makes microwaves using the interaction of a stream of electrons with a magnetic field. Electrons...

radio or electric instrument louder and stronger by using transistors or vacuum tubes. Electronic amplifiers have to be connected to electrical current or...

funnel can be put and a small tube in the side where a vacuum can be attached. The small tube has barbs on it so that the vacuum will not weaken. A Büchner...

Mauchly and J. Presper Eckert. The machine was built out of nearly 17,500 vacuum tubes, 7,200 diodes and many miles of wire. It took up 1,800 square feet (170 m2)...

uses individual transistors instead of vacuum tubes. The first generation of electronic computers used vacuum tubes, which were big, unreliable, and generated...

aspirator is a device that makes vacuum, because of the Venturi effect. In the aspirator, fluid flows through it. The tube gets more thin, making the fluid...

label Thermionic valve, an electronic component otherwise known as a vacuum tube Valve, a paired clasping process on the male genitalia of a moth Valve...

diodes, and integrated circuits. Devices that are not solid state include vacuum tubes, gas-filled tubes, and devices with moving parts such as relays....