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Vacuum tube with five electrodes
1970s, during which time transistors replaced tubes in new designs. During the first quarter of the 21st century, a few pentode tubes have been in production
Pentode
A pentode transistor is any transistor having five active terminals. One early pentode transistor was developed in the early 1950s as an improvement over
Pentode_transistor
Solid-state electrically operated switch also used as an amplifier
Nanofluidic transistor, controls the movement of ions through sub-microscopic, water-filled channels. Multigate devices: Tetrode transistor Pentode transistor Trigate
Transistor
Type of bipolar junction transistor
The germanium alloy-junction transistor, or alloy transistor, was an early type of bipolar junction transistor, developed at General Electric and RCA
Alloy-junction_transistor
A transistor is a semiconductor device with at least three terminals for connection to an electric circuit. In the common case, the third terminal controls
History_of_the_transistor
Electronic component that exploits the electronic properties of semiconductor materials
Three-terminal devices: Bipolar transistor Darlington transistor Field-effect transistor Insulated-gate bipolar transistor (IGBT) Silicon-controlled rectifier
Semiconductor_device
Field-effect transistor device
A thin-film transistor (TFT) is a special type of field-effect transistor (FET) where the transistor is made by thin-film deposition. TFTs are grown on
Thin-film_transistor
Transistor that uses both electrons and holes as charge carriers
junction transistor (BJT) is a type of transistor that uses both electrons and electron holes as charge carriers. In contrast, a unipolar transistor, such
Bipolar_junction_transistor
Type of field-effect transistor
metal–oxide–semiconductor field-effect transistor (MOSFET, MOS-FET, MOS FET, or MOS transistor) is a type of field-effect transistor (FET), most commonly fabricated
MOSFET
Type of transistor
The field-effect transistor (FET) is a type of transistor that uses an electric field to control the current through a semiconductor. It comes in two types:
Field-effect_transistor
Transistor with four active terminals
insulated by a silica layer. Field-effect tetrode Multigate transistor Pentode transistor US2666150A, Blakely, Robert T., "Crystal tetrode", issued 1954-01-12
Tetrode_transistor
Type of vacuum tube
horizontal oscillator service. 12AE10 twin pentode. Designed for FM discriminator/detector, and audio output. 38HK7 pentode diode. Designed for horizontal output
Compactron
Central computer component that executes instructions
in large quantities. This standardization began in the era of discrete transistor mainframes and minicomputers, and has rapidly accelerated with the popularization
Central_processing_unit
Type of field-effect transistor
high-electron-mobility transistor (HEMT or HEM FET), also known as heterostructure FET (HFET) or modulation-doped FET (MODFET), is a field-effect transistor incorporating
High-electron-mobility transistor
High-electron-mobility_transistor
Type of transistor
A diffused junction transistor is a transistor formed by diffusing dopants into a semiconductor substrate. The diffusion process was developed later than
Diffused_junction_transistor
Type of non-planar transistor
A fin field-effect transistor (FinFET) is a multigate device, a MOSFET (metal–oxide–semiconductor field-effect transistor) built on a substrate where the
Fin_field-effect_transistor
Type of solid state switch
An insulated-gate bipolar transistor (IGBT) is a three-terminal power semiconductor device primarily forming an electronic switch. It was developed to
Insulated-gate bipolar transistor
Insulated-gate_bipolar_transistor
MOS field-effect transistor with more than one gate
Floating-gate MOSFET Transistor BSIM High-electron-mobility transistor Field-effect transistor JFET Tetrode transistor Pentode transistor Memristor Quantum
Multigate_device
Experimental transistor
The tunnel field-effect transistor (TFET) is an experimental type of transistor. Even though its structure is very similar to a metal–oxide–semiconductor
Tunnel field-effect transistor
Tunnel_field-effect_transistor
Multi-transistor electronics configuration
bipolar transistors with the emitter of one transistor connected to the base of the other, such that the current amplified by the first transistor is amplified
Darlington_transistor
Semiconductor light source
transistor (LET) Organic LET (OLET) Pentode transistor Point-contact transistor Programmable unijunction transistor (PUT) Static induction transistor
Light-emitting_diode
drift-field transistor, also called the drift transistor or graded base transistor, is a type of high-speed bipolar junction transistor having a doping-engineered
Drift-field_transistor
Electronic circuit formed on a small, flat piece of semiconductor material
electronic circuits formed from various electronic components, such as transistors, resistors, and capacitors, and their interconnections. These components
Integrated_circuit
Family of digital circuits
on p-channel, enhancement mode metal–oxide–semiconductor field-effect transistors (MOSFETs). In the late 1960s and early 1970s, PMOS logic was the dominant
PMOS_logic
First successful type of transistor, developed in 1947
The point-contact transistor was the first type of transistor to be successfully demonstrated. It was developed by research scientists John Bardeen and
Point-contact_transistor
Electronic device/component that increases the strength of a signal
until the transistor provided smaller and higher quality amplifiers in the 1950s. The first working transistor was a point-contact transistor invented
Amplifier
Technology for constructing integrated circuits
/ˈsiːmɒs/ SEE-moss) is a type of metal–oxide–semiconductor field-effect transistor (MOSFET) fabrication process that uses complementary and symmetrical pairs
CMOS
Diode that emits light from an organic compound
controlled sequentially, one by one, whereas AMOLED control uses a thin-film transistor (TFT) backplane to directly access and switch each individual pixel on
OLED
Frequency mixer of a superhet radio
current of 600 mA – double that of more conventional types. The use of a pentode would seem an unlikely choice for a frequency converter because it only
Pentagrid_converter
Semiconductor diode
resistance of the epitaxial layer is more important than it is for a transistor, as the current must cross its entire thickness. However, it serves as
Schottky_diode
Converts light into current
is a light-sensitive transistor. A common type of phototransistor, the bipolar phototransistor, is in essence a bipolar transistor encased in a transparent
Photodiode
Type of field-effect transistor
An organic field-effect transistor (OFET) is a field-effect transistor using an organic semiconductor in its channel. OFETs can be prepared either by vacuum
Organic field-effect transistor
Organic_field-effect_transistor
Form of digital logic family in integrated circuits
field-effect transistors) to implement logic gates and other digital circuits. NMOS transistors operate by creating an inversion layer in a p-type transistor body
NMOS_logic
Integrated circuit customized for a specific task
introduced the Micromatrix family of bipolar diode–transistor logic (DTL) and transistor–transistor logic (TTL) arrays. Complementary metal–oxide–semiconductor
Application-specific integrated circuit
Application-specific_integrated_circuit
Discrete device in an electronic system
transistor) Composite transistors BiCMOS (bipolar CMOS) IGBT (Insulated-gate bipolar transistor) Other transistors Bipolar junction transistor (BJT
Electronic_component
Ballistic deflection transistors (BDTs) are electronic devices, developed since 2006, for high-speed integrated circuits, which is a set of circuits bounded
Ballistic deflection transistor
Ballistic_deflection_transistor
DC-DC voltage step-down power converter
semiconductors (a diode and a transistor, although modern buck converters frequently replace the diode with a second transistor used for synchronous rectification)
Buck_converter
Type of voltage regulator
output transistor. The shunt regulator works by providing a path from the supply voltage to ground through a variable resistance (the main transistor is in
Linear_regulator
Pictogram used to represent various electrical and electronic devices or functions
electronic devices or functions, such as wires, batteries, resistors, and transistors, in a schematic diagram of an electrical or electronic circuit. These
Electronic_symbol
Electronic circuits that utilize digital signals
invented the point-contact transistor at Bell Labs in 1947, followed by William Shockley inventing the bipolar junction transistor at Bell Labs in 1948. At
Digital_electronics
Diode that allows current to flow in the reverse direction at a specific voltage
silicon transistor at around −2 mV/°C, so in a simple regulating circuit where the 4.7 V diode sets the voltage at the base of an NPN transistor (i.e. their
Zener_diode
Type of transistor
The organic electrochemical transistor (OECT) is an organic electronic device which functions like a transistor. The current flowing through the device
Organic electrochemical transistor
Organic_electrochemical_transistor
Device that prevents a transistor from saturating
Schottky-clamped transistor. Standard transistor–transistor logic (TTL) uses transistors as saturated switches. A saturated transistor is turned on hard
Schottky_transistor
Type of transistor
A unijunction transistor (UJT) is a three-lead electronic semiconductor device with only one junction. It acts exclusively as an electrically controlled
Unijunction_transistor
Two-terminal electronic component
common transistors and diodes?". EDAboard.com. 2010-06-10. Archived from the original on October 11, 2007. Retrieved 2010-08-06. I.D.E.A. "Transistor Museum
Diode
Diode that works using quantum tunneling
state-of-the-art, with better performance at high frequencies than any transistor-based front end. The tunnel diode can also be used as a low-noise microwave
Tunnel_diode
Device that controls current between electrodes
which operates most like the pentode tube, although usually using much lower voltages, is the junction field-effect transistor (JFET). Vacuum tubes are commonly
Vacuum_tube
Type of field-effect transistor
A ChemFET is a chemically-sensitive field-effect transistor, that is a field-effect transistor used as a sensor for measuring chemical concentrations
Chemical field-effect transistor
Chemical_field-effect_transistor
The Heterojunction-emitter bipolar transistor (HEBT), is a somewhat unusual arrangement with respect to emitter blocking of minority carriers. This is
Heterostructure-emitter bipolar transistor
Heterostructure-emitter_bipolar_transistor
Vacuum tube used to display images
electromechanical meter, which later came to be used on higher-end tuners when transistor sets lacked the high voltage required to drive the device. The same type
Cathode_ray_tube
Bipolar junction transistor operated in the avalanche breakdown region
An avalanche transistor is a bipolar junction transistor designed for operation in the region of its collector-current/collector-to-emitter voltage characteristics
Avalanche_transistor
Four-layer solid-state current-controlling device
short-circuit the anode and cathode momentarily with a push-button switch or transistor across the junction. When a negative voltage is applied to the anode and
Silicon_controlled_rectifier
Form of transistor that emits light
An organic light-emitting transistor (OLET) is a form of transistor that emits light. These transistors have potential for digital displays and on-chip
Organic light-emitting transistor
Organic_light-emitting_transistor
DC linear voltage regulator
{R_{1}}{R_{2}}}\right)V_{\text{ref}}\ .} If a bipolar transistor is used, as opposed to a field-effect transistor or JFET, significant additional power may be
Low-dropout_regulator
Transistor using different semiconductor materials
A heterojunction bipolar transistor (HBT) is a type of bipolar junction transistor (BJT) that uses different semiconductor materials for the emitter and
Heterojunction bipolar transistor
Heterojunction_bipolar_transistor
Array of logic gates that are reprogrammable
cores exist alongside the programmable fabric, but they are built out of transistors instead of LUTs so they have ASIC-level performance and power consumption
Field-programmable_gate_array
Type of field-effect transistor
A MESFET (metal–semiconductor field-effect transistor) is a field-effect transistor semiconductor device similar to a JFET with a Schottky (metal–semiconductor)
MESFET
Part of computer memory
memory cells. Modern random-access memory (RAM) uses MOS field-effect transistors (MOSFETs) as flip-flops, along with MOS capacitors for certain types
Memory_cell_(computing)
Micro-electronic component
system. Because of high transistor counts on modern devices, oftentimes a layout of sufficient throughput and high transistor density is physically realizable
System_on_a_chip
Electronic component
transistor (LET) Organic LET (OLET) Pentode transistor Point-contact transistor Programmable unijunction transistor (PUT) Static induction transistor
Transient-voltage-suppression diode
Transient-voltage-suppression_diode
Microchip manipulating light instead of electricity
sources and Silicon PICs enable co-integration of the photonics with transistor based electronics. The fabrication techniques are similar to those used
Photonic_integrated_circuit
Theoretical transistor
A nanoscale vacuum-channel transistor (NVCT) is a transistor in which the electron transport medium is a vacuum, much like a vacuum tube. In a traditional
Nanoscale vacuum-channel transistor
Nanoscale_vacuum-channel_transistor
Devices that measure magnetic field strength using the Hall effect
which were limited to laboratory instruments. Even early generation transistor technology was unsuited; it was only with the development of the low-cost
Hall_effect_sensor
DC-to-DC power converter with an output voltage greater than its input voltage
power supply (SMPS) containing at least two semiconductors, a diode and a transistor, and at least one energy storage element: a capacitor, inductor, or the
Boost_converter
System designed to maintain a constant voltage
require replacement. Modern designs now use solid state technology (transistors) to perform the same function that the relays perform in electromechanical
Voltage_regulator
Type of field-effect transistor
constant-current characteristic with junction transistors and with thermionic tube (valve) tetrodes and pentodes.[citation needed] Constriction of the conducting
JFET
Electronic component
reliable low-voltage support capacitor to complement their newly invented transistor. With the development of plastic materials by organic chemists during
Capacitor
Electronic device
A single-electron transistor (SET) is a sensitive electronic device based on the Coulomb blockade effect. In this device the electrons flow through a tunnel
Single-electron_transistor
Type of solid-state switch
a combination of Greek language θύρα, meaning "door" or "valve", and transistor) is a solid-state semiconductor device which can be thought of as being
Thyristor
A light-emitting transistor or LET is a form of transistor that emits light. Higher efficiency than light-emitting diode (LED) is possible. Reported in
Light-emitting_transistor
MOSFET that can handle significant power levels
A power MOSFET is a type of metal–oxide–semiconductor field-effect transistor (MOSFET) designed to handle significant power levels. Compared to the other
Power_MOSFET
Electrical safety device that provides overcurrent protection
transistor (LET) Organic LET (OLET) Pentode transistor Point-contact transistor Programmable unijunction transistor (PUT) Static induction transistor
Fuse_(electrical)
Type of semiconductor
(OLED), organic solar cells, organic field-effect transistors (OFET), electrochemical transistors and recently in biosensing applications. Organic semiconductors
Organic_semiconductor
Single-grid amplifying vacuum tube having three active electrodes
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
Semiconductor device
development of the GTO, and insulated-gate bipolar transistors (IGBT), which are members of the transistor family. They are also used in the starter circuits
Gate_turn-off_thyristor
Type of junction-gate field effect transistor
The static induction transistor (SIT) is a type of field-effect transistor (FET) capable of high-speed and high-power operation, with low distortion and
Static_induction_transistor
Connector used to connect to mains power
transistor (LET) Organic LET (OLET) Pentode transistor Point-contact transistor Programmable unijunction transistor (PUT) Static induction transistor
AC_power_plugs_and_sockets
Nonlinear two-terminal fundamental circuit element
fundamentally from that of a metal oxide semiconductor transistor, which is capacitor-based. Unlike the transistor, the final state of the memristor in terms of
Memristor
Type of MOSFET where the gate is electrically isolated
as a floating-gate MOS transistor or floating-gate transistor, is a type of metal–oxide–semiconductor field-effect transistor (MOSFET) where the gate
Floating-gate_MOSFET
Form of digital logic family in integrated circuits
better current source approximation than the simpler enhancement-mode transistor can, especially when no extra voltage is available (one of the reasons
Depletion-load_NMOS_logic
transistor (LET) Organic LET (OLET) Pentode transistor Point-contact transistor Programmable unijunction transistor (PUT) Static induction transistor
List_of_RF_connector_types
Type of electrical current converter
converter comprises two inductors, two capacitors, a switch (usually a transistor), and a diode. Its schematic can be seen in figure 1. It is an inverting
Ćuk_converter
A synaptic transistor is an electrical device that can learn in ways similar to a neural synapse. It optimizes its own properties for the functions it
Synaptic_transistor
Type of MOSFET
field-effect transistor (QFET) or quantum-well field-effect transistor (QWFET) is a type of MOSFET (metal–oxide–semiconductor field-effect transistor) that takes
QFET
Type of field-effect transistor
An ion-sensitive field-effect transistor (ISFET) is a field-effect transistor used for measuring ion concentrations in solution; when the ion concentration
ISFET
Light dependent resistor
transistor (LET) Organic LET (OLET) Pentode transistor Point-contact transistor Programmable unijunction transistor (PUT) Static induction transistor
Photoresistor
Type of transistor developed by Philco in 1953
The surface-barrier transistor is a type of transistor developed by Philco in 1953 as an improvement to the alloy-junction transistor and the earlier point-contact
Surface-barrier_transistor
Electrical connector designed to work at radio frequencies
transistor (LET) Organic LET (OLET) Pentode transistor Point-contact transistor Programmable unijunction transistor (PUT) Static induction transistor
RF_connector
Vacuum tube used for amplifying radio waves
receivers. In some applications Klystrons have been replaced by solid state transistors. High efficiency Klystrons have been developed which have 10% more effiency
Klystron
Electronic numeric display device
equivalent, the K155ID1, is still in production. However, modern bipolar transistors with high voltage ratings are now available cheaply, such as MPSA92 or
Nixie_tube
Late vacuum tube design designed to compete with transistors
is made of metal, with a ceramic base. Triodes and a few tetrodes and pentodes were made; nuvistor tetrodes were taller than triodes. Nuvistors are among
Nuvistor
MOSFET (metal–oxide–semiconductor field-effect transistor) is a type of insulated-gate field-effect transistor (IGFET) that is fabricated by the controlled
List_of_MOSFET_applications
Electric converter
transistor (LET) Organic LET (OLET) Pentode transistor Point-contact transistor Programmable unijunction transistor (PUT) Static induction transistor
Charge_pump
Type of field-effect transistor
An EOSFET or electrolyte–oxide–semiconductor field-effect transistor is a FET, like a MOSFET, but with an electrolyte solution replacing the metal for
EOSFET
Type of diode
changing bias and operating points of active devices such as varicaps and transistors. These circuit configurations are quite common in television tuners and
Varicap
Type of DC-to-DC converter
output voltage is adjustable based on the duty cycle of the switching transistor. One possible drawback of this converter is that the switch does not have
Buck–boost_converter
Type of resistor whose resistance varies with temperature
in electronic circuits. Many electronic devices, for example bipolar transistors, draw more power as they get hotter. Commonly, such circuits contain
Thermistor
Electronic component
transistor (LET) Organic LET (OLET) Pentode transistor Point-contact transistor Programmable unijunction transistor (PUT) Static induction transistor
Resettable_fuse
Type of resistor, usually with three terminals
transistor (LET) Organic LET (OLET) Pentode transistor Point-contact transistor Programmable unijunction transistor (PUT) Static induction transistor
Potentiometer
A DNA field-effect transistor (DNAFET) is a field-effect transistor which uses the field-effect due to the partial charges of DNA molecules to function
DNA_field-effect_transistor
PENTODE TRANSISTOR
PENTODE TRANSISTOR
Surname or Lastname
English
English : habitational name from Penton Mewsey, Hampshire, which is named with Old English pening ‘penny’ + tūn ‘farmstead’, ‘settlement’, i.e. a farmstead paying a penny rent.
Boy/Male
American, British, English
From the Enclosed Farm
Boy/Male
German
Famous Commander
PENTODE TRANSISTOR
PENTODE TRANSISTOR
Surname or Lastname
English
English : from a medieval personal name, Old Norse þórsteinn, composed of the elements þórr, name of the Scandinavian god of thunder (see Thor) + steinn ‘stone’, ‘rock’, hence ‘altar of Thor’ or perhaps ‘hammer of Thor’.English : habitational name from Thurston in Suffolk, so called from the genitive case of the Old Norse personal name þóri (see Thor) + Old English tūn ‘enclosure’, ‘settlement’.
Boy/Male
Finnish German American Hebrew Swedish
Girl/Female
Indian
Fine
Girl/Female
Muslim
Praise, Eulogy
Female
English
Elaborated form of English Andrea, ANDRIANA means "man; warrior."
Boy/Male
Indian
Movement; Falling Stream; Queen of Weather; Love
Boy/Male
Indian
The Father
Girl/Female
Czechoslovakian
White.
Boy/Male
Hindu, Indian, Sanskrit
Divine Rama
Boy/Male
Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi
Servant of Musical Tunes
PENTODE TRANSISTOR
PENTODE TRANSISTOR
PENTODE TRANSISTOR
PENTODE TRANSISTOR
PENTODE TRANSISTOR
n.
An unsaturated hydrocarbon, C5H8, of the acetylene series. Same as Valerylene.
n.
An oxide containing five atoms of oxygen in each molecule; as, phosphorus pentoxide, P2O5.
n.
Any element, atom, or radical, having a valence of five, or which can be combined with, substituted for, or compared with, five atoms of hydrogen or other monad; as, nitrogen is a pentad in the ammonium compounds.
n.
A ventouse.
a.
The sixth month of the calendar adopted by the first French republic. It began February 19, and ended March 20. See Vend/miaire.
n.
A liquid hydrocarbon, C5H8; -- called also pentine.
n.
The soluble and diffusible substance or substances into which albuminous portions of the food are transformed by the action of the gastric and pancreatic juices. Peptones are also formed from albuminous matter by the action of boiling water and boiling dilute acids.
n.
See Pantile.
n.
Same as Amylene.
a.
Having the valence of a pentad.
n.
Any one of the three metameric hydrocarbons, C5H12, of the methane or paraffin series. They are colorless, volatile liquids, two of which occur in petroleum. So called because of the five carbon atoms in the molecule.
n.
A substance related to peptone.
n.
Collectively, in a broader sense, all the products resulting from the solution of albuminous matter in either gastric or pancreatic juice. In this case, however, intermediate products (albumose bodies), such as antialbumose, hemialbumose, etc., are mixed with the true peptones. Also termed albuminose.
n.
A penthouse.
a.
Of, pertaining to, or consisting of, pectose.
n.
Same as Valylene.
a.
Pertaining to, or desingating, an acid (called also valeric acid) derived from pentane.
n.
An amorphous carbohydrate found in the vegetable kingdom, esp. in unripe fruits. It is associated with cellulose, and is converted into substances of the pectin group.
a.
Windy; flatulent.
n.
A substance convertible into peptone.