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Vacuum tube with four active electrodes
A tetrode is a vacuum tube (called valve in British English) having four active electrodes. The four electrodes in order from the centre are: a thermionic
Tetrode
Type of tetrode vacuum tube
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
Beam_tetrode
Expression of monatomic ideal gas entropy
The Sackur–Tetrode equation is an expression for the entropy of a monatomic ideal gas. It is named for Hugo Martin Tetrode (1895–1931) and Otto Sackur
Sackur–Tetrode_equation
Transistor with four active terminals
A tetrode transistor is any transistor having four active terminals. There were two types of tetrode transistor developed in the early 1950s as an improvement
Tetrode_transistor
Type of electrode
A tetrode is a type of electrode used in neuroscience for electrophysiological recordings. They are generally used to record the extracellular field potentials
Tetrode_(biology)
Dutch physicist (1895–1931)
Hugo Martin Tetrode (7 March 1895, in Amsterdam – 18 January 1931, in Amstelveen) was a Dutch theoretical physicist who contributed to statistical physics
Hugo_Tetrode
Topics referred to by the same term
Tetrode can refer to: Tetrode, an electronic device with four active electrodes, such as a vacuum tube Beam tetrode Field-effect tetrode, a solid-state
Tetrode_(disambiguation)
Device that controls current between electrodes
Adding one or more control grids within the tube, creating the triode, tetrode, etc., allows the current between the cathode and anode to be controlled
Vacuum_tube
Vacuum tube with five electrodes
was developed from the screen-grid tube or shield-grid tube (a type of tetrode tube) by the addition of a grid between the screen grid and the plate.
Pentode
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
List_of_vacuum_tubes
A field-effect tetrode is a four-terminal field-effect semiconductor device. The term was introduced in 1959 for a class of dual-channel field-effect
Field-effect_tetrode
Amplifying tubes containing control grids, such as triodes, tetrodes, pentodes, and beam tetrodes, are represented by families of curves measured for different
Vacuum_tube_characteristics
Tetrode, also given as van Tetrode and spelled variously as Tetterode, Tetteroo, Tettero, Thetrode and Tetroe, was a Dutch medieval noble family which
Tetrode_(family)
Type of solid-state switch
Milestone. In 1960, Transitron Electronic Corporation marketed an PNPN tetrode with a high current gain at the time referred to as Binistor. The device
Thyristor
Dutch sculptor
Willem Danielsz. van Tetrode, known in Italy as Guglielmo Fiammingo (before c. 1530, Delft — after 1587), was a sixteenth-century sculptor of Dutch origin
Willem_Danielsz_van_Tetrode
Mathematical model which approximates the behavior of real gases
quantum Boltzmann gas are used in a number of cases including the Sackur–Tetrode equation for the entropy of an ideal gas and the Saha ionization equation
Ideal_gas
Late vacuum tube design designed to compete with transistors
of metal, with a ceramic base. Triodes and a few tetrodes and pentodes were made; nuvistor tetrodes were taller than triodes. Nuvistors are among the
Nuvistor
Vacuum tube
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
6L6
Discrete device in an electronic system
photodetector Sziklai pair (compound transistor, complementary Darlington) Tetrode transistor – is any transistor having four active terminals. Thyristors
Electronic_component
Diode that works using quantum tunneling
a solid state version of the dynatron oscillator which normally uses a tetrode thermionic valve (vacuum tube). The tunnel diode showed great promise as
Tunnel_diode
Beam tetrode vacuum tube
The 807 is a beam tetrode vacuum tube, widely used in audio- and radio-frequency power amplifier applications. 807s were used in audio power amplifiers
807_(vacuum_tube)
Type of field-effect transistor
(frequency conversion). The tetrode description, though accurate, does not replicate the vacuum-tube tetrode. Vacuum-tube tetrodes, using a screen grid, exhibit
MOSFET
Transistor that uses both electrons and holes as charge carriers
bipolar transistor, limited commercial use due to high cost and noise. Tetrode point-contact transistor – Point-contact transistor having two emitters
Bipolar_junction_transistor
Audio frequency beam tetrode
at least in Europe. Because the beam tetrode design eliminated the tetrode kink in the lower parts of the tetrode's voltage-current characteristic curves
KT66
Technical specifications and detailed information on the valve audio amplifier
Amplifying tubes containing control grids, such as triodes, tetrodes, pentodes, and beam tetrodes, are represented by families of curves measured for different
Valve audio amplifier technical specification
Valve_audio_amplifier_technical_specification
Vacuum tube (valve)
of power output, is a beam tetrode which RCA referred to as a beam power tube. Although power pentodes and beam tetrodes have some differences in their
EL34
Output beam tetrode
The KT88 is a beam tetrode/kinkless tetrode (hence "KT") vacuum tube for audio amplification. The KT88 fits a standard eight-pin octal socket and has similar
KT88
VHF/UHF could include the 4CX250B; an example of a twin tetrode would be the QQV06/40A. The tetrode has a screen grid which is between the anode and the
Valve_transmitters
Interpretation of electrodynamics
interpretation, and somewhat reminiscent of Mach's principle and the work of Hugo Tetrode, is that elementary particles are not self-interacting. This immediately
Wheeler–Feynman absorber theory
Wheeler–Feynman_absorber_theory
Pictogram used to represent various electrical and electronic devices or functions
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
Electronic_symbol
Vacuum tube electronic oscillator circuit
oscillator circuit which uses a negative resistance characteristic in early tetrode vacuum tubes, caused by a process called secondary emission. It was the
Dynatron_oscillator
Sculpture by Cleomenes the Athenian
the Dutch sculptor trained in Benvenuto Cellini's atelier, Willem van Tetrode, called Guglielmo Fiammingo in Italy. Though visitors to Rome like John
Venus_de'_Medici
Diode that emits light from an organic compound
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
OLED
Solid-state electrically operated switch also used as an amplifier
ions through sub-microscopic, water-filled channels. Multigate devices: Tetrode transistor Pentode transistor Trigate transistor (prototype by Intel) Dual-gate
Transistor
Beam-power tetrode vacuum tube
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
6V6
Array of logic gates that are reprogrammable
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Field-programmable_gate_array
Type of electronic circuit
Ultra-linear electronic circuits are those used to couple a tetrode or pentode vacuum-tube (also called "electron-valve") to a load (e.g. to a loudspeaker)
Ultra-linear
8974 / X-2159 is a power tetrode designed for megawatt power levels in industrial and broadcast applications. The 8974 is an external anode tube made
8974
DC-DC voltage step-down power converter
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Buck_converter
Vacuum tube used to display images
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Cathode_ray_tube
Characteristic quality of sounds from vacuum tube amplifiers
similarities in their transfer characteristics. Later forms of the tube, the tetrode and pentode, have quite different characteristics that are in some ways
Tube_sound
Guitar amplifier produced by Fender
the power amplifier section used a single cathode-biased 6V6 beam power tetrode necessarily in Class A operation. The amplifier had a single volume control
Fender_Princeton
Type of bipolar junction transistor
Switch PNP germanium alloy transistor intended as AF amplifier / switch Tetrode transistor Lloyd P. Hunter (ed.), Handbook of Semiconductor Electronics
Alloy-junction_transistor
Type of resistive heater
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Self-regulating_heater
Two-stage amplifier in an electronic circuit
show a solid-state device cascoded with a vacuum tube. In the 1960s, MOS tetrode devices were described and analyzed as cascode structures formed from two
Cascode
Micro-electronic component
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
System_on_a_chip
circuit. It is a type of electron-coupled oscillator (ECO), which uses a tetrode or pentode tube. The tri-tet was introduced by James J. Lamb in the June
Tri-tet_oscillator
Vacuum tube
CSF Tétrode a faisceaux dirigé, March 1957 (in French) Datasheet 6CM6, Sylvania Beam Power Pentode, Jan. 1956 Datasheet 6П1П, CCCP Output Beam Tetrode, 1970
6AQ5
Central computer component that executes instructions
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Central_processing_unit
Integrated circuit customized for a specific task
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Application-specific integrated circuit
Application-specific_integrated_circuit
When a particle's interactions with a material cause it to emit new particles
magnetic-core memory. Secondary emission can be undesirable such as in the tetrode thermionic valve (tube). In this instance the positively charged screen
Secondary_emission
Type of DC-to-DC converter
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Buck–boost_converter
Type of resistor, usually with three terminals
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Potentiometer
Vacuum tube electronic amplifier that uses a single triode to produce an output
heated triodes are used. There are also single-ended tetrode, beam tetrode/beam power tube/kinkless tetrode, and pentode amplifiers with the same functionality
Single-ended_triode
Method for producing electronic circuits
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Surface-mount_technology
Extremely sensitive solid-state photodetector
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Silicon_photomultiplier
Single-grid amplifying vacuum tube having three active electrodes
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
Triode
Device for electrically amplifying the power of an electrical radio frequency signal
are high voltage / low current devices in comparison with transistors. Tetrode and pentode valves have very flat anode current vs. anode voltage indicating
Valve_RF_amplifier
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
List_of_RF_connector_types
DC linear voltage regulator
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Low-dropout_regulator
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Metal–insulator–metal_diode
Devices that measure magnetic field strength using the Hall effect
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Hall-effect_sensor
Frequency mixer of a superhet radio
neither the term tetrode nor the tetrode valve as it is known today had yet appeared. The bi-grid differed from the later tetrode because the second
Pentagrid_converter
Solid-state photodetector
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Single-photon_avalanche_diode
Type of microwave generator
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Vircator
Vacuum tube used for amplifying radio waves
absorbed. IOTs have been described as a cross between a klystron and a tetrode, hence Eimac's trade name for them, Klystrode. They have an electron gun
Inductive_output_tube
Theoretical transistor
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Nanoscale vacuum-channel transistor
Nanoscale_vacuum-channel_transistor
Type of resistor whose resistance varies with temperature
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Thermistor
Primitive type of bipolar junction transistor
obtained by welding a second wire on the opposite side of the base, making a tetrode transistor, and using special biasing on this second base connection. Alloy-junction
Grown-junction_transistor
Electronic circuit formed on a small, flat piece of semiconductor material
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Integrated_circuit
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Heterostructure-emitter bipolar transistor
Heterostructure-emitter_bipolar_transistor
Device that prevents a transistor from saturating
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Schottky_transistor
Electronic numeric display device
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Nixie_tube
Technology for constructing integrated circuits
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
CMOS
Type of high-power semiconductor diode
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
IMPATT_diode
German chemist (1880–1914)
Sackur–Tetrode equation, which he developed independently of Hugo Tetrode. His and Tetrode's names are also combined to name the Sackur–Tetrode constant
Otto_Sackur
Highly sensitive semiconductor electronic device
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Avalanche_photodiode
Rankine–Hugoniot equation Roothaan equations Saha ionization equation Sackur–Tetrode equation Samik Hazra equation Schrödinger equation screened Poisson equation
List_of_equations
Semiconductor light source
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Light-emitting_diode
Type of solid state switch
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Insulated-gate bipolar transistor
Insulated-gate_bipolar_transistor
Connector used to connect to mains power
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
AC_power_plugs_and_sockets
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Ballistic deflection transistor
Ballistic_deflection_transistor
High-frequency pentode tube
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
EF50
Electrode used to control electron flow within a vacuum tube
used in amplifying thermionic valves (vacuum tubes) such as the triode, tetrode and pentode, used to control the flow of electrons from the cathode to
Control_grid
from wasting received energy Spark gap C-- Triode D-- Tetrode E-- Pentode or beam power tetrode F-- Hexode G-- Heptode H-- Octode J-- Magnetically controlled
RMA_tube_designation
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
ITFET
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Golay_cell
Electronic circuits that utilize digital signals
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Digital_electronics
Tetrode used in radio transmitters
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
4-1000A
Power semiconductor electronic device
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Integrated gate-commutated thyristor
Integrated_gate-commutated_thyristor
tetragon, tetrahedron, tetralogy, tetrameter, tetraphobia, tetrapod, tetrode teuch- make Greek τεύχειν (teúkhein), τυγχάνω, τευκτός, τευκτικός, τεῦξις
List of Greek and Latin roots in English/P–Z
List_of_Greek_and_Latin_roots_in_English/P–Z
AMD computing architecture
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
AI_engine
Type of semiconductor laser diode
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Vertical-cavity surface-emitting laser
Vertical-cavity_surface-emitting_laser
Type of transistor
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Field-effect_transistor
Electron tube
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Additron_tube
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Geometric_diode
Early type of semiconductor rectifier
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Metal_rectifier
Semiconductor diode
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Schottky_diode
Device for generating microwaves
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Cavity_magnetron
Programmable unijunction transistor (PUT) Static induction transistor (SIT) Tetrode transistor Nanoscale vacuum-channel transistor (NVCT) Single-electron transistor
Resonant-cavity-enhanced photo detector
Resonant-cavity-enhanced_photo_detector
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TETRODE
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TETRODE
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