This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes. Before the advent of semiconductor devices...

A vacuum-tube computer, now termed a first-generation computer, is a computer that uses vacuum tubes for logic circuitry. While the history of mechanical...

replacement for vacuum tubes List of vacuum tubes—a list of type numbers. List of vacuum-tube computers Mullard–Philips tube designation Nixie tube—a gas-filled...

computers on the list had both vacuum tubes and transistors. This list of vacuum-tube computers is sorted by date put into service: List of transistorized...

This is a list of European Mullard–Philips vacuum tubes and their American equivalents. Most post-war European thermionic valve (vacuum tube) manufacturers...

In the early days of electronics, devices that used vacuum tubes (called valves in British contexts), such as radios, were powered by batteries. Each battery...

displace indicator tubes. Tuning indicator tubes were used in vacuum tube receivers from around 1936 to 1980, before vacuum tubes were replaced by transistors...

was the first practical electronic amplifier and the ancestor of other types of vacuum tubes such as the tetrode and pentode. Its invention helped make amplified...

replacement. When tube equipment was common, retailers such as drug stores had vacuum tube testers, and sold replacement tubes. Some Nixie tubes were also designed...

fluoresce, emitting light. Unlike the orange-glowing cathodes of traditional vacuum tubes, VFD cathodes are efficient emitters at much lower temperatures...

valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal. Low to medium...

The EL34 is a thermionic vacuum tube of the power pentode type. The EL34 was introduced in 1955 by Mullard, who were owned by Philips. The EL34 has an...

Vacuum tubes produced in the former Soviet Union and in present-day Russia carry their own unique designations. Some confusion has been created in "translating"...

one of the few small-signal vacuum tubes in continuous production since it was introduced. The 12AX7 is a twin triode basically composed of two of the...

tubes (or capsule pipelines, also known as pneumatic tube transport or PTT) are systems that propel cylindrical containers through networks of tubes by...

6SL7. As of 2019[update], 6SN7s and 6SL7s are still manufactured in Russia and by JJ Electronic, and are widely available. List of vacuum tubes 12AT7 12AU7...

6V6 is a beam-power tetrode vacuum tube. The first of this family of tubes to be introduced was the 6V6G by Ken-Rad Tube & Lamp Corporation in late 1936...

predetermined volume of liquid. Vacutainer tubes may contain additives designed to stabilize and preserve the specimen prior to analytical testing. Tubes are available...

(6П3С-E) 7027a 6V6 KT66 KT88 6550 6CA7 EL34 List of vacuum tubes J. F. Dreyer Jr., "The Beam Power Output Tube", New York: McGraw-Hill, Electronics, April...

tube popular in guitar amplifiers. It belongs to a large family of dual triode vacuum tubes which share the same pinout (EIA 9A), including in particular...

List of vacuum tubes Datasheet 6AQ5, General Electric Beam Pentode, June 1955, from tubezone.net Tomer, Robert (1960). Getting the Most Out of Vacuum...

of all vacuum tubes, which dominated electronics for 50 years. The IEEE has described it as "one of the most important developments in the history of...

equivalent) 6N1P (Not a direct equivalent) 6N3P (Not a direct equivalent) List of vacuum tubes [1] - 6DJ8 tube data at DuncanAmps. Reviews of 6DJ8/ECC88 tubes....

A vactrain (or vacuum tube train) is a proposed design for very-high-speed rail transportation. It is a maglev (magnetic levitation) line using partly...

principally responsible for the standardised nomenclature for American vacuum tubes - however the standard itself had already been in use for a long time...

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

Retrieved 22 May 2014. "XL84". Retrieved 23 May 2014. [1] - EL84 data at TDSL. Vacuum tube datasheet archive Reviews of EL84/6bq5 tubes. List of vacuum tubes...

700 vacuum tubes, 1,700 germanium diodes and 12,500 resistors. It had 2,048 40-bit words of ferrite core memory. This machine was an early adopter of ferrite...

RCA decided to build a vacuum tube computer instead of a transistorized computer. It was the largest vacuum tube computer of its time in 1956, occupying...

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...