An acorn tube, or acorn valve, refers to any member of a family of VHF/UHF vacuum tubes starting just before World War II. They were named after their...

A vacuum tube, electron tube, valve (British usage), or tube (North America) is a device that controls electric current flow in a high vacuum between...

Acorn Computers Ltd. was a British computer company established in Cambridge, England in 1978 by Hermann Hauser, Chris Curry and Andy Hopper. The company...

traveling-wave tube (TWT, pronounced "twit") or traveling-wave tube amplifier (TWTA, pronounced "tweeta") is a specialized vacuum tube that is used in...

A cathode-ray tube (CRT) is a vacuum tube containing one or more electron guns, which emit electron beams that are manipulated to display images on a...

A Nixie tube (English: /ˈnɪk.siː/ NIK-see), or cold cathode display, is an electronic device used for displaying numerals or other information using glow...

Video camera tubes are devices based on the cathode-ray tube that were used in television cameras to capture television images, prior to the introduction...

Photomultiplier tubes (photomultipliers or PMTs for short) are extremely sensitive detectors of light in the ultraviolet, visible, and near-infrared ranges...

to new foraging sites. It is assumed that the ancestors of acorn worms used to live in tubes like their relatives Pterobranchia, but that they eventually...

overall speed of a system is dependent on the speed of the switches. Vacuum-tube computers such as EDVAC tended to average eight hours between failures, whereas...

A voltage-regulator tube (VR tube) is an electronic component used as a shunt regulator to hold a voltage constant at a predetermined level. Physically...

A gas-filled tube, also commonly known as a discharge tube or formerly as a Plücker tube, is an arrangement of electrodes in a gas within an insulating...

The Williams tube, or the Williams–Kilburn tube named after inventors Freddie Williams and Tom Kilburn, is an early form of computer memory. It was the...

'Numitron') Nixie tube Dekatron (aka glow transfer tube) Magic eye tube indicator Penetron (a 2 colour see-through CRT) A vacuum tube is based on current...

The type 955 triode "acorn tube" is a small triode thermionic valve (vacuum tube in USA) designed primarily to operate at high frequency. Although data...

than the nominal breakdown voltage (this differs from voltage-regulator tubes where the output voltage is higher than nominal and could rise as high as...

John Coll, the Tube interface was incorporated into the design, enabling a Z80 second processor to be added. A new contract between Acorn and BBC Enterprises...

field effects in solid state materials, with the aim of replacing vacuum tubes with a smaller device that consumed less power. The critical experiment...

typically as long as power is supplied to the tube. A specialized type of storage tube, the Williams tube, was used as a main memory system on a number...

A klystron is a specialized linear-beam vacuum tube, invented in 1937 by American electrical engineers Russell and Sigurd Varian, which is used as an amplifier...

mode, P‑channel MOSFET Vacuum tube diode Vacuum tube triode Vacuum tube tetrode (pin letters not part of symbol) Vacuum tube pentode For multiple pole switches...

the acorn tube by using far smaller electrodes, with radial short connections. A different approach was taken by the designers of the lighthouse tube, such...

pump Switched capacitor Vacuum tubes Acorn tube Audion Beam tetrode Barretter Compactron Diode Fleming valve Neutron tube Nonode Nuvistor Pentagrid (Hexode...

gas-filled tube used as a high-power electrical switch and controlled rectifier. Thyratrons can handle much greater currents than similar hard-vacuum tubes. Electron...

pump Switched capacitor Vacuum tubes Acorn tube Audion Beam tetrode Barretter Compactron Diode Fleming valve Neutron tube Nonode Nuvistor Pentagrid (Hexode...

A triode is an electronic amplifying vacuum tube (or thermionic valve in British English) consisting of three electrodes inside an evacuated glass envelope:...

specifications by multiple manufacturers. The thermionic triode, a vacuum tube invented in 1907, enabled amplified radio technology and long-distance telephony...

The Audion was an electronic detecting or amplifying vacuum tube invented by American electrical engineer Lee de Forest as a diode in 1906. Improved, it...

pump Switched capacitor Vacuum tubes Acorn tube Audion Beam tetrode Barretter Compactron Diode Fleming valve Neutron tube Nonode Nuvistor Pentagrid (Hexode...

the past, processors were constructed using multiple individual vacuum tubes, multiple individual transistors, or multiple integrated circuits. The term...