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Type of field-effect transistor
The junction field-effect transistor (JFET) is one of the simplest types of field-effect transistor. JFETs are three-terminal semiconductor devices that
JFET
Electronic component
resistors. The JFET is one of the more common active devices used for the design of voltage-controlled resistors. So much so, that JFET devices are packaged
Voltage-controlled_resistor
Type of transistor
the current through a semiconductor. It comes in two types: junction FET (JFET) and metal–oxide–semiconductor FET (MOSFET). FETs have three terminals: source
Field-effect_transistor
Solid-state electrically operated switch also used as an amplifier
1940s. In 1945, JFET was patented by Heinrich Welker. Following Shockley's theoretical treatment on JFET in 1952, a working practical JFET was made in 1953
Transistor
Transistor type
Discrete complementary JFETs are N-channel and P-channel JFETs that are built with a similar process technology and are designed to have similar or matching
Discrete_complementary_JFETS
Transistor that acts as a diode
field-effect transistors (MOSFETs) and junction-gate field-effect transistors (JFETs), and in the active region for bipolar junction transistors (BJTs). A diode-connected
Diode-connected_transistor
Pictogram used to represent various electrical and electronic devices or functions
N-channel junction gate field-effect transistor (JFET) P-channel junction gate field-effect transistor (JFET) Metal–oxide–semiconductor field-effect transistor
Electronic_symbol
Property of a field-effect transistor
power efficiency. When referring to a junction field-effect transistor (JFET), the threshold voltage is often called pinch-off voltage instead. This is
Threshold_voltage
American semiconductor company
Systems. In December 2024 onsemi announced to acquire Qorvo's Silicon Carbide JFET Business, including United Silicon Carbide Subsidiary In October 2025 onsemi
Onsemi
Discrete device in an electronic system
field-effect transistor) CNTFET (carbon nanotube field-effect transistor) JFET (junction field-effect transistor) – N-channel or P-channel SIT (static induction
Electronic_component
2003 DX-format digital single-lens reflex camera
camera introduced by Nikon Corporation on July 22, 2003. It uses Nikon's own JFET-LBCAST sensor with a 4.1-megapixel resolution, and is optimised for sports
Nikon_D2H
Type of field-effect transistor
transistor) is a field-effect transistor semiconductor device similar to a JFET with a Schottky (metal–semiconductor) junction instead of a p–n junction
MESFET
Effect in field effect transistors
several short-channel effects in MOSFET scaling. It also causes distortion in JFET amplifiers. To understand the effect, first the notion of pinch-off of the
Channel_length_modulation
SPICE-class circuit simulator
level 500, and CMC diode models JFET models, including the JFET, Phillips level 100 JFET, and Individual dual-gate JFET models IGBT models, including PSpice®
Spectre_Circuit_Simulator
semiconductors, including dual- and single-junction field effect transistors (JFETs), bipolar transistors, BiFETs, lateral DMOS analog switch and switch arrays
Linear_Integrated_Systems
Two-terminal electronic component that limits current to a specified maximum
diode (CLD) or current-regulating diode (CRD). It consists of an n-channel JFET with the gate shorted to the source, which functions like a two-terminal
Constant-current_diode
Location identifier for a circuit component
tube, surge voltage protector H: Pin header J, JW: Wire link ("jumper") JFET: Junction gate field-effect transistor LA: Lightning arrester LCD: Liquid
Reference_designator
Type of electronic noise
MOSFETs have a high fc (can be in the GHz range). JFETs and BJTs have a lower fc around 1 kHz, but JFETs usually exhibit more flicker noise at low frequencies
Flicker_noise
Electronic component delivering stable electric current regardless of voltage
common grid configurations can serve as constant current sources as well. A JFET can be made to act as a current source by tying its gate to its source. The
Current_source
Electronic oscillator
three batteries, and separate adjustable coils. The simplified common-drain JFET circuit diagram uses an LC tank (here the single winding is tapped) and a
Hartley_oscillator
and 6 V in a lambda diode due to the higher pinch-off voltages of typical JFET devices. A lambda diode therefore cannot replace a tunnel diode directly
Lambda_diode
High-gain voltage amplifier with a differential input
(such as the CA3140E) provide extremely high input resistances, higher than JFET-input op amps, which are normally higher than bipolar-input op amps. Programmable
Operational_amplifier
Electronic circuit with sine-wave output
Circuit diagram for phase-shift oscillator using a JFET
Phase-shift_oscillator
Startup technique in electronics
technique is to alter the non-linear C/V characteristic of the inputs of a JFET op-amp in order to decrease its distortion. In analog circuit designs, a
Bootstrapping_(electronics)
Monolithic N-Channel junction-gate field-effect transistor
The LSK489 is a monolithic N-Channel JFET designed and built by Linear Integrated Systems, Inc.LIS Inc, a Fremont, CA company. The part was introduced
LSK489
Type of transistor
is similar to that of an N-channel JFET, but p-type (gate) material surrounds the N-type (channel) material in a JFET, and the gate surface is larger than
Unijunction_transistor
DC linear voltage regulator
a bipolar transistor is used, as opposed to a field-effect transistor or JFET, significant additional power may be lost to control it, whereas non-LDO
Low-dropout_regulator
Semiconductor diode
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Schottky_diode
Two major types of field effect transistors
negative, and depletion-mode have positive. Junction field-effect transistors (JFETs) are depletion-mode, since the gate junction would forward bias if the gate
Depletion and enhancement modes
Depletion_and_enhancement_modes
Type of microphone design
microphone circuit has a common source configured JFET inside the two-terminal electret capsule. The JFET is externally-powered by the DC voltage V+ through
Electret_microphone
Background operating conditions for electronics
electronics within a few meters of the microphone. The operating current of this JFET is typically 0.1 to 0.5 mA and is often referred to as bias, which is different
Biasing
Gas-filled tube, electrical switch, rectifier
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Thyratron
MOS field-effect transistor with more than one gate
double-gated transistor with a damascene metal top gate MOSFET and an implanted JFET bottom gate that are self-aligned in a gate trench. This device is highly
Multigate_device
Type of field-effect transistor
current: pointing out for nMOS, in for pMOS. In the following symbols for JFETs, enhancement-mode MOSFETs, and depletion-mode MOSFETs, the orientation of
MOSFET
Semiconductor that has been doped
N-channel or P-channel. FETs are broken into two families, junction gate FET (JFET), which are three-terminal semiconductors, and insulated gate FET (IGFET)
Extrinsic_semiconductor
Sub-discipline of electrical engineering
recombination of carriers. p-n junction diode, Zener diode, tunnel diode, BJT, JFET, MOS capacitor, MOSFET, LED, p-i-n and avalanche photo diode, LASERs. Device
Electronics_engineering
Power amplifier
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Gate_driver
Guitar overdrive pedal
new old stock and use hard rather than soft clipping. The TL072 op amp is JFET-based. Most of the Centaur's distortion comes from the op amp, with the TL072
Klon_Centaur
Electronic amplifier circuit type
Basic N-channel JFET source follower circuit (neglecting biasing details)
Common_drain
Central computer component that executes instructions
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Central_processing_unit
Electronic component that exploits the electronic properties of semiconductor materials
reverse-biased p–n junction, forming a junction field-effect transistor (JFET) or by an electrode insulated from the bulk material by an oxide layer, forming
Semiconductor_device
Light dependent resistor
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Photoresistor
Device that controls current between electrodes
usually using much lower voltages, is the junction field-effect transistor (JFET). Vacuum tubes are commonly described using characteristic curves published
Vacuum_tube
Assembly of electrodes at either end of an insulated tube filled with gas
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Gas-filled_tube
Optical diode invented by Jun-Ichi Nishizawa
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
PIN_diode
Electronic circuit formed on a small, flat piece of semiconductor material
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Integrated_circuit
Electronics circuit simulator software
standard components available in the market (bridges, diodes, varistors, LEDs, JFETs, MOSFETs and so on). Qucs supports transistor models, some need to be added
Quite Universal Circuit Simulator
Quite_Universal_Circuit_Simulator
Diode that emits light from an organic compound
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
OLED
American actor
Striped Pajamas Man Short film 2003 Jeepers Creepers 2 The Creeper 2003 Jfets-D Woodward Short film 2003 Beat Boys Beat Girls Mort Livingston Short film
Jonathan_Breck
Electrical device that converts AC to DC
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Rectifier
Electronic detecting or amplifying vacuum tube
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Audion
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Trisil
Type of field-effect transistor
and ultra sensitive electronic devices. Junction field-effect transistor (JFET) "Northrop Grumman sets record with terahertz IC amplifier". www.semiconductor-today
High-electron-mobility transistor
High-electron-mobility_transistor
Voltage booster electronic circuit
(lower voltage than a joule thief will operate). This is achieved by using a JFET, which does not require the forward biasing of a PN junction for its operation
Joule_thief
Array of logic gates that are reprogrammable
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Field-programmable_gate_array
Type of semiconductor
induction transistor (SIT), a type of junction field-effect transistor (JFET). The VMOS was invented by Hitachi in 1969, when they introduced the first
VMOS
Electronic resistor
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Chua's_diode
Operational amplifier for audio applications
and later renamed. The 5532 is fully bipolar, with the exception of a sole JFET within a bias generator. Although the manufacturers did not release a first-hand
NE5532
CRTs designed for use as computer memory
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Storage_tube
MOSFET that can handle significant power levels
above: the P implantations (see figure 1) form the gates of a parasitic JFET transistor that tend to reduce the width of the current flow; Rn is the resistance
Power_MOSFET
Type of antenna
for example by placing this feedback winding in the drain circuit of a JFET (junction field effect transistor). An antenna of this type employing vacuum
Regenerative_loop_antenna
Guitar effect pedal
stage with hard clipping diodes, and a tone control. It features the same JFET switching circuit as some other Boss effects units, allowing a simple momentary
Boss_DS-1
Late vacuum tube design designed to compete with transistors
oscilloscopes of the 1960s, before replacing them later with solid-state JFETs. Nuvistors were used in the Ranger space program and Russian-made ones (with
Nuvistor
Semiconductor diode
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Stabistor
Devices that measure magnetic field strength using the Hall effect
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Hall_effect_sensor
Experimental multi-terminal electronic component
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Memtransistor
Potential energy barrier in metal–semiconductor junctions
off a conducting channel buried inside the semiconductor (similar to the JFET where instead a p–n junction provides the depletion region). A variant of
Schottky_barrier
Type of junction-gate field effect transistor
Y. Watanabe in 1950. SIT-based Audio devices Static induction thyristor JFET Nishizawa, Jun-ichi (December 15, 1974). "Field-effect transistor versus
Static_induction_transistor
Device for generating microwaves
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Cavity_magnetron
Semiconductor light source
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Light-emitting_diode
Electrical component that can break an electrical circuit
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Switch
Applied electric field conductivity change
Schottky diode and of field-effect transistors, notably the MOSFET, the JFET and the MESFET. The change in surface conductance occurs because the applied
Field_effect_(semiconductor)
Device for producing coherent EM waves in the sub-visible spectrum
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Maser
Topics referred to by the same term
Grown-junction transistor Alloy-junction transistor Unijunction transistor JFET (junction field-effect transistor) This disambiguation page lists articles
Junction transistor (disambiguation)
Junction_transistor_(disambiguation)
American inventor
semiconductors, particularly ultra-low-noise junction field effect transistors (JFETs). In 1993, while continuing to lead LIS, Hall founded Integrated Wave Technologies
John_H._Hall_(inventor)
Type of solid-state switch
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Thyristor
Micro-electronic component
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
System_on_a_chip
Electronic device/component that increases the strength of a signal
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Amplifier
Vacuum tube used to display images
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Cathode_ray_tube
Electronic numeric display device
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Nixie_tube
Term used in electricity-related fields
P-channel N-channel JFET MOSFET enh. MOSFET enh. (no bulk) MOSFET dep.
Electrical_polarity
Two-terminal electronic component
coefficients of opposite polarities. Constant-current diodes These are actually JFETs with the gate shorted to the source, and function like a two-terminal current-limiting
Diode
Topics referred to by the same term
drain voltage In a metal–oxide–semiconductor FET (MOSFET) In a junction FET (JFET) Linear regulator, a device used to maintain a steady voltage, where the
Linear_(disambiguation)
Electrical safety device that provides overcurrent protection
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Fuse_(electrical)
Electronic component
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Capacitor
California-based semiconductor company
and Modules SiC Diodes, MOSFETs and power modules IGBTs BJTs, Diodes and JFETs RF Transceivers Ultra Low Power Wearable Radio Implantable Radio WLAN RF
Microsemi
Measurement of an electronic circuit
transient response for high frequencies, and line regulation for DC. "Low-noise JFET-input operational amplifiers" (PDF). Archived from the original (PDF) on
Power_supply_rejection_ratio
Technology for constructing integrated circuits
variety of complex logic functions implemented as integrated circuits using JFETs, including complementary memory circuits. Frank Wanlass was familiar with
CMOS
First successful type of transistor, developed in 1947
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Point-contact_transistor
Type of resistor, usually with three terminals
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Potentiometer
Practical physics application
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Light-emitting_diode_physics
maintenance costs. A typical fetron consisted of a cascode configured pair of JFETs, some simple RC networks to control the device characteristics, and a fuse
Fetron
Electronic amplifier circuit type
Figure 1: Basic N-channel JFET common-source circuit (neglecting biasing details).
Common_source
Type of solid state switch
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Insulated-gate bipolar transistor
Insulated-gate_bipolar_transistor
Type of magnetometer
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
SQUID
Method of electrical shielding
factor for this method is the input impedance of the voltage buffer, the JFET or CMOS op-amps typically used may have input impedances of many teraohms
Driven_guard
DC-DC voltage step-down power converter
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Buck_converter
System designed to maintain a constant voltage
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Voltage_regulator
Integrated circuit customized for a specific task
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Application-specific integrated circuit
Application-specific_integrated_circuit
Early form of computer memory
Diffused junction transistor Field-effect transistor (FET) Junction Gate FET (JFET) Organic FET (OFET) Light-emitting transistor (LET) Pentode transistor Point-contact
Williams_tube
JFET
JFET
JFET
JFET
Female
African
the Lord is with us.
Boy/Male
American, Arabic, Chinese, Christian
Companion; Little Battle
Boy/Male
Muslim/Islamic
Forgiver
Girl/Female
Tamil
Mithurshika | மீதà¯à®°à¯à®·à¯€à®•à®¾
Boy/Male
Arthurian Legend
Eldest son of Lot.
Girl/Female
Indian, Telugu
Godeess; Honey
Boy/Male
Muslim/Islamic
Successful Salvation
Girl/Female
American, Arabic, Assamese, Australian, Christian, German, Greek, Hindu, Indian, Kannada, Muslim, Sikh, Swedish, Traditional
Star in the Sky; Moon; Goddess of the Moon; Light; Heaven; Shine; Beautiful
Male
German
German byname MANN means "a fierce strong man" or simply "man."
Boy/Male
Hindu, Indian, Marathi
A Diamond
JFET
JFET
JFET
JFET
JFET