electronics, devices that used vacuum tubes (called valves in British contexts), such as radios, were powered by batteries. Each battery had a different designation...
7 KB (984 words) - 05:05, 10 June 2024
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...
120 KB (15,394 words) - 08:07, 27 August 2024
of battery chemistry. The third list is a list of battery applications. Automotive battery Backup battery Battery (vacuum tube) Battery pack Battery room...
6 KB (203 words) - 17:16, 26 August 2024
Cathode (redirect from Cathode (vacuum tube))
[citation needed] Battery Cathode bias Cathodic protection Electrolysis Electrolytic cell Gas-filled tube Oxidation-reduction PEDOT Vacuum tube [1] Archived...
24 KB (2,877 words) - 19:49, 28 August 2024
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...
329 KB (40,580 words) - 17:54, 4 August 2024
supplies for vacuum tube circuits include: LT, low tension or A battery, the supply to the filaments or heaters. Early tubes designed for battery operation...
3 KB (471 words) - 15:30, 26 March 2024
A magic eye tube or tuning indicator, in technical literature called an electron-ray indicator tube, is a vacuum tube which gives a visual indication...
12 KB (1,518 words) - 20:12, 6 February 2024
Anode (section Vacuum tube anode)
flows through the device. Similarly, in a vacuum tube only one electrode can emit electrons into the evacuated tube due to being heated by a filament, so...
20 KB (2,569 words) - 21:11, 27 May 2024
electrons emitted from the cathode filament. In fact, each tube in a VFD is a triode vacuum tube because it also has a mesh control grid. Unlike liquid crystal...
25 KB (2,963 words) - 15:15, 19 August 2024
vacuum tube (valve) radios used batteries designed specifically for vacuum tubes, there was a nine-volt grid bias battery or (US) "C" battery, which had...
16 KB (1,571 words) - 05:32, 8 April 2024
Tube sockets are electrical sockets into which vacuum tubes (electronic valves) can be plugged, holding them in place and providing terminals, which can...
40 KB (4,234 words) - 21:14, 28 July 2024
A vacuum cleaner, also known simply as a vacuum, is a device that uses suction, and often agitation, in order to remove dirt and other debris from carpets...
46 KB (5,773 words) - 04:31, 27 August 2024
Eveready East Africa Eveready Industries India Battery holder Battery (vacuum tube) Eveready Battery Company, Inc. Privacy Policy Archived 2018-03-07...
11 KB (1,155 words) - 17:01, 9 June 2024
portal Battery holder Battery recycling Battery (vacuum tube) Comparison of commercial battery types List of battery types Search for the Super Battery, a...
128 KB (4,614 words) - 19:31, 17 August 2024
vacuum tube in appearance, its operation does not depend on thermionic emission of electrons from a heated cathode. It is hence a cold-cathode tube (a...
22 KB (2,616 words) - 04:32, 31 July 2024
Rectifier (section Diode vacuum tube (valve))
battery chargers, to rectify the low voltage produced by a step-down transformer. Another use was in battery power supplies for portable vacuum tube radios...
64 KB (8,949 words) - 19:27, 12 August 2024
Valve audio amplifier (redirect from Automotive vacuum tube amplifier)
A valve audio amplifier (UK) or vacuum tube audio amplifier (US) is a valve amplifier used for sound reinforcement, sound recording and reproduction....
15 KB (1,996 words) - 17:21, 27 July 2023
Audion (redirect from Audion amplifier tube)
The Audion was an electronic detecting or amplifying vacuum tube invented by American electrical engineer Lee de Forest as a diode in 1906. Improved,...
24 KB (2,614 words) - 03:10, 31 July 2024
Electronic component (section Vacuum tubes (valves))
'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...
26 KB (2,806 words) - 21:23, 27 August 2024
Radio receiver (section Vacuum tube era)
The amplifying vacuum tube used energy from a battery or electrical outlet to increase the power of the radio signal, so vacuum tube receivers could...
152 KB (16,593 words) - 04:46, 31 July 2024
Hot cathode (category Vacuum tubes)
In vacuum tubes and gas-filled tubes, a hot cathode or thermionic cathode is a cathode electrode which is heated to make it emit electrons due to thermionic...
21 KB (2,569 words) - 02:12, 1 March 2024
name for mass-produced, superheterodyne radio receivers that used five vacuum tubes in their design. These radio sets were designed to receive amplitude...
21 KB (2,997 words) - 22:49, 26 August 2024
Philco (redirect from The Philadelphia Storage Battery Company)
storage batteries, "socket power" battery eliminator units (plug-in transformers), and battery chargers. With the invention of the rectifier tube, which...
35 KB (3,890 words) - 05:21, 24 August 2024
is an obsolete vacuum tube electronic oscillator circuit which uses a negative resistance characteristic in early tetrode vacuum tubes, caused by a process...
24 KB (2,511 words) - 09:39, 25 August 2024
Electronic symbol (section Vacuum tubes)
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...
21 KB (1,554 words) - 17:01, 21 August 2024
Battery C or C battery or variation, may refer to: C battery (R14 battery) Vacuum tube powering 'C' battery Battery "C", 1st Illinois Light Artillery...
1 KB (222 words) - 18:09, 19 June 2023
Grid-leak detector (category Vacuum tubes)
amplification factor of a vacuum tube. Invented by Lee De Forest around 1912, it was used as the detector (demodulator) in the first vacuum tube radio receivers...
20 KB (2,282 words) - 00:35, 18 May 2023
Electrode (redirect from Battery electrode)
vacuum or air). Electrodes are essential parts of batteries that can consist of a variety of materials (chemicals) depending on the type of battery....
39 KB (4,807 words) - 16:36, 7 August 2024
central system of vacuum tubes. Most aspirators are therefore portable, for use in ambulances and nursing homes, and can run on AC/DC or battery power. They...
2 KB (157 words) - 09:50, 10 May 2024