• Thumbnail for Tetrode (family)
    Tetrode, also given as van Tetrode and spelled variously as Tetterode, Tetteroo, Tettero, Thetrode and Tetroe, was a Dutch medieval noble family which...
    3 KB (381 words) - 17:48, 27 November 2023
  • Thumbnail for Beam tetrode
    A beam tetrode, sometimes called a beam power tube, is a type of vacuum tube or thermionic valve that has two grids and forms the electron stream from...
    17 KB (1,834 words) - 12:26, 19 May 2024
  • theory. Hugo Tetrode was a member of the rich, prominent Tetrode family. He was the oldest of the three children of Pieter Johan Conrad Tetrode, who served...
    6 KB (608 words) - 06:12, 6 May 2024
  • Thumbnail for List of vacuum tubes
    beam tetrode 4-125A (4D21, 6155) – 125 W Glass beam tetrode 4-250A (5D22, 6156) – 110 MHz, 250 W Glass beam tetrode 4-400A – 400 W Glass beam tetrode 4-1000A...
    329 KB (40,549 words) - 17:42, 30 January 2025
  • Thumbnail for KT66
    tetrode design eliminated the tetrode kink in the lower parts of the tetrode's voltage-current characteristic curves, M-OV marketed this tube family as...
    8 KB (699 words) - 00:00, 3 January 2025
  • Thumbnail for 6L6
    application as a power amplifier for audio frequencies. The 6L6 is a beam tetrode that utilizes formation of a low potential space charge region between...
    9 KB (798 words) - 05:25, 10 January 2025
  • Thumbnail for 6V6
    The 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...
    16 KB (2,030 words) - 04:40, 15 October 2024
  • Thumbnail for Triode
    amplifier and the ancestor of other types of vacuum tubes such as the tetrode and pentode. Its invention helped make amplified radio technology and long-distance...
    31 KB (3,708 words) - 17:01, 8 December 2024
  • Thumbnail for 4-1000A
    The 4-1000A/8166 is a radial-beam tetrode designed for use in radio transmitters. The 4-1000A is the largest of a series of tubes including the 4-65A...
    3 KB (504 words) - 21:23, 7 July 2024
  • configuration between a "triode strapped" tetrode and normal tetrode, that connects the extra grid (screen) of a tetrode to a tap from the OPT part way between...
    38 KB (5,587 words) - 12:07, 19 May 2023
  • Thumbnail for OLED
    devices for use in solid-state lighting applications. There are two main families of OLED: those based on small molecules and those employing polymers. Adding...
    157 KB (17,668 words) - 13:50, 30 January 2025
  • Thumbnail for Adriaen de Vries
    to a patrician family, his early training is obscure; a recent suggestion suggests an apprenticeship with Willem Danielsz. van Tetrode, known in Italy...
    9 KB (978 words) - 23:11, 24 January 2025
  • Thumbnail for List of municipal flags of the Netherlands
    coat of arms is in turn derived from the coat of arms of the Tetrode family, a noble family that owned a hunting lodge on the territory where the Bloemendaal...
    379 KB (11,065 words) - 00:57, 23 January 2025
  • Thumbnail for Push–pull output
    single-tube single-ended output stage. The transformer-less circuit with two tetrode tubes dates back to 1933: "THE USE OF A VACUUM TUBE AS A PLATE-FEED IMPEDANCE...
    17 KB (2,245 words) - 17:10, 28 July 2024
  • Thumbnail for MOSFET
    (frequency conversion). The tetrode description, though accurate, does not replicate the vacuum-tube tetrode. Vacuum-tube tetrodes, using a screen grid, exhibit...
    99 KB (11,980 words) - 02:48, 11 February 2025
  • Thumbnail for PMOS logic
    PMOS logic (category Logic families)
    PMOS or pMOS logic (from p-channel metal–oxide–semiconductor) is a family of digital circuits based on p-channel, enhancement mode metal–oxide–semiconductor...
    17 KB (1,875 words) - 05:23, 21 December 2024
  • Thumbnail for IC power-supply pin
    cathode (note K, not C) and grid voltages in analyses of vacuum triode, tetrode, and pentode circuits. 4000 series 7400 series Bob Widlar Common collector...
    10 KB (1,207 words) - 06:37, 17 January 2025
  • global negative feedback loop. Deep feedback, triode-connected KT66 power tetrodes, conservative choice of standing currents, and the use of wide-bandwidth...
    65 KB (7,418 words) - 19:28, 18 May 2024
  • Thumbnail for Karl Schwarzschild
    P_{i}P_{j}\right\Vert \right)} . The idea was further developed by Hugo Tetrode and Adriaan Fokker in the 1920s and John Archibald Wheeler and Richard...
    29 KB (3,035 words) - 16:33, 16 October 2024
  • Thumbnail for Light-emitting diode
    2013 study conclusively identified Auger recombination as the cause. A new family of LEDs are based on the semiconductors called perovskites. In 2018, less...
    112 KB (12,340 words) - 16:40, 28 January 2025
  • UEL11 – Tetrode - power tetrode, VEL11 with a different heater UEL51 – Tetrode - power pentode, Y10A steel tube 10-pin base UEL71 – Tetrode - power pentode...
    125 KB (15,270 words) - 23:06, 23 December 2024
  • BiCMOS (category Logic families)
    SEPIC Charge pump Switched capacitor Vacuum tubes Acorn tube Audion Beam tetrode Barretter Compactron Diode Fleming valve Neutron tube Nonode Nuvistor Pentagrid...
    5 KB (496 words) - 08:42, 29 September 2024
  • Thumbnail for Field-programmable gate array
    programmable. CMOS. Examples: Actel SX and Axcelerator families; Quicklogic Eclipse II family. PROM: programmable read-only memory technology. One-time...
    56 KB (6,015 words) - 15:03, 30 January 2025
  • Thumbnail for Depletion-load NMOS logic
    Depletion-load NMOS logic (category Logic families)
    digital logic family that uses only a single power supply voltage, unlike earlier NMOS (n-type metal-oxide semiconductor) logic families that needed more...
    23 KB (3,067 words) - 12:04, 12 January 2025
  • Thumbnail for Walter H. Schottky
    shot effect") in thermionic emission and his invention of the screen-grid tetrode and a superheterodyne method of receiving wireless signals. 1962, he was...
    15 KB (1,576 words) - 20:04, 3 February 2025
  • Thumbnail for Squire Francis War
    Squire Francis War (category Van Brederode family)
    bastard) van Brederode, Jacob van Alkemade and Floris van Alkemade, Jan van Tetrode, Otto van Botland, Dirk van Hodenpyl, Cornelis van Treslong and Reynier...
    8 KB (1,140 words) - 08:36, 11 February 2025
  • NMOS logic (category Logic families)
    electrostatic discharge damage. The major drawback with NMOS (and most other logic families) is that a direct current must flow through a logic gate even when the...
    8 KB (1,054 words) - 22:59, 3 December 2024
  • Thumbnail for Integrated circuit
    application-specific integrated circuits (ASICs) are examples of other families of integrated circuits. In the 1980s, programmable logic devices were developed...
    86 KB (9,253 words) - 20:02, 30 January 2025
  • Thumbnail for Capacitor
    ripple current and generally have the highest ESR ratings in the capacitor family. Exceeding their ripple limits can lead to shorts and burning parts. Aluminum...
    122 KB (15,168 words) - 21:17, 5 February 2025
  • Thumbnail for DIAC
    capacity.[citation needed] The SIDAC is another member of the thyristor family. Also referred to as a SYDAC (silicon thyristor for alternating current)...
    6 KB (764 words) - 13:00, 20 September 2024