Field Effect Transistor
Rely on an electric field to control the shape and channel of a charge carrier in a semiconductor material.
See Also: Transistor, NPN Transistor
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Product
Discrete Devices High-speed Testing System
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QT-6000 discrete device high-speed testing machine is suitable for testing small and medium-power diodes, transistors, field effect transistors and other products and wafers. It can expand built-in capacitance testing (DC+CAP), EAS, VC, pA modules, as well as external LCR (ultra high precision capacitance testing), Scanbox, etc. The machine can be used for FT mass production testing or laboratory testing.
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Product
High Impedance Preamplifier
1671
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The Model 1671 is a single ended low noise field effect transistor
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Product
Rad Hard GaN FETs
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Wide band gap semiconductor technologies such as Gallim Nitride Field Effect Transistors (GaN FETs) have been gaining interest for power management and conversion in space applications. These devices feature higher breakdown voltage, lower RDS(ON) and very low gate charge enabling power management systems to operate at higher switching frequencies while still achieving higher efficiency and a smaller solution footprint. There is an additional benefit from GaN devices that make them attractive to the space market. These devices are inherently immune to total ionizing dose radiation.
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Product
Rad Hard GaN Drivers
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The space market has been driving towards more efficient power management solutions. Part of the drive includes the use of Gallium Nitride Field Effect Transistors (GaN FETs) for power conversion. GaN FETs have higher power conversion efficiency and have more natural immunity to radiation, due to them being wide-bandgap semiconductors. Equally important is the use of the correct driver that will allow reliable operation and maximize the benefits of the GaN FETs. Some of the key driver requirements are: a well-regulated gate drive voltage; high source/sink current capability and a split driver output stage.
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Product
MOS Transistor Selector
UI9611
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Measure parameters: Open voltage UGS (th), internal resistance RDS, Transconductance gm, Withstand voltage V (BR) DS• Test range: UGS (th) 0.1-9.9V; RDS 0.001-9.999Ω gm; 0.10-10.00s; V (BR) DS 50-650V• Test current range: 0.1A-5A adjustable, comply with different working situation• Automatic selecting, out of limit alarming, advance the work efficiency• The technique of testing RDS under the big-current, is advanced technique
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Product
Transistor Tester
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*Measure rich DC parameters of maniford semiconductors, e.g. diode, transistor, controlled silicon, FET.*Measure capacitor, varistor, DC voltage signal source*Measure 78 and 79 three terminal voltage regulator*Data hold, low battery warning*Complete with carry case and six 1.5V AA batteries
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Product
Resistivity and Hall Effect
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The Resistivity System allows the user to make Resistivity and Hall Effect measurements in the range of to M. Samples are mounted on special platforms inside the VTI with contacts made to the sample according to the customer's requirements.
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Product
Hall Effect Portable Gauss-Meters
300 Series
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Integrity Design and Reseach Corp.
Typical Applications include Measurements of the Earth's field vectors, Air shipment inspection, Mapping and recording field perturbations, Magnet classification, Analysis of magnetic circuitry and components, Magnetic Resonance Imaging (MRI) and Measuring residual fields.
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Product
Field Meter
EAP 301 HD
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The AP301 HD is a field meter with total coverage of the terrestrial TV bands, cable TV (CATV), 1st IF satellite and, if the relative option is inserted, the return channel 5-65 MHz.
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Product
Field Meters
DG-OHM Compact
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The DG-OHM Compact is the UNAOHM model that best responds to installers' requests regarding size, weight, ease of use, all of which, however, faithfully maintaining UNAOHM performance.
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Product
Hall Effect Speed Sensors
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SPECTEC Innovative Sensor Solutions
SPECTEC zero speed Hall effect gear tooth sensors are used in industrial applications to determine shaft or gear speed or direction by detecting fluctuations in the magnetic field. The Hall effect technology fulfills a wide array of applications due to a Hall effect sensor's ability to detect zero speed and the quadrature sensor's ability to detect direction change. The Hall effect gear tooth sensor's digital output is easily read by computers, motion control devices, position monitors and digital to analog converters. Intrinsically Safe zero speed sensors are available for various applications.
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Product
Hall Effect Measurement system
HMS-5300
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Variable temp : 80K ~ 350K (model#: AMP55T ) - HMS-5300 can be compatibly used with both low temp magnet kit (model# : AMP55T) and high temp magnet kit (model# : AHT55T3, upto 300dC). - Below image is to show model# HMS-5300 + AMP55T, for low temp.
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Product
Field Strength Meter
DIGI-FIELD
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Measuring radio frequency and microwave radiation has never been easier! This unit covers the amazing range of DC - 12 GHz and will give you digital readout of the relative field strength of broadcast signals such as cellular phone, microwave oven leakage, TV station, CB radios using the (1MHz - 1GHz) telescoping antenna provided.
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Product
Hall Effect Sensors
906
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Features • NPN open collector, square-wave output • Zero speed operation with no signal loss • Non-contact, large gap distance sensing • Signal transmits up to 1,500 ft • Simple to install and set up • Powered by 5-24 VDC • Bi-directional option 906B
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Field Performance Analytics
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Monitor manufactured products performancein the market to increase customers satisfactionand reduce warranty costs with QualityLine’sfield products performance analytics
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Product
Field Testing Services
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Power Monitoring and Diagnostic Technology Ltd.
PMDT offers three levels of testing services both domestically in the US and globally. With the best quality products, complete PD solutions, rich on-site testing experience, experienced partial discharge experts and field engineers, PMDT also provides PDExpert Services -- professional on-site partial discharge detection and location services to help the customers find the potential risks, evaluate the operating status of the electrical assets, and deliver complete and final problem solutions.
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Shielding Effectiveness
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Radiometrics Midwest Corporation
One of the more difficult tests to understand is shielding effectiveness or transfer impedance. The data from these tests may vary dramatically based on the test method selected, test fixture, test setup, measurement sensitivity, test personnel, etc. At Radiometrics all shielding effectiveness test are performed or supervised by NARTE Certified engineers.
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MMW Field Sensors
ITS-9050
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The Innovative Technical Systems ITS-9050 Detector is a sensitive, harmonic mixing detector designed to measure millimeter-wave free-space radiation. It is ideal for measuring radiation patterns of antennas inboth the near and far-field. The ITS-9050 employs a free-running dielectric resonator oscillator (DRO) and an integrated harmonic mixer with a waveguide RF input that either connects directly to a circuit under test or to an antenna for radiation detection. The resulting IF is amplified and detected by an IF log-detector that drives a front panel LCD voltmeter to provide an indication of signal strength. A DC output voltage from the log detector is available on a BNC connector to drive external data acquisition instrumentation. Also, a sample of the IF output is provided for measurement on a spectrum analyzer.
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Field Management
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EAG offers field-to-final report project management for studies to demonstrate human and environmental safety. As on-site study directors, our Field Managers bring decades of study design, protocol development, analytical oversight, and GLP/QA compliance expertise across a variety of field management study types. In addition, EAG’s access to a broad network of field sites across the United States and Canada ensures that we can deliver the test system, soil characteristics and geography necessary for just about any regulatory need.
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Magnetic Field Sensors
SpinTJ
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The SpinTJ magnetic sensor family builds upon Micro Magnetics? in-house expertise developing low-field magnetic tunnel junction sensor products. Based on our proprietary fabrication processes, we have developed patented recipes for fabricating macroscopic, micron-scale, and submicron MTJ field sensors.
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Field Strength Meters
FIM-22 And FIM-41
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The Models FIM-22 and FIM-41 are portable field strength meters designed to provide precise, direct measurements of electro-magnetic fields in the 200 kHz to 5.0 MHz spectrum. These units include a receiver, integral shielded loop antenna, precision attenuator, internal calibration source, and battery power supply. With calibration accuracy traceable to the National Institute of Standards and Technology, the FIM-22 and FIM-41 meet the most exacting requirements of government and industry. Their hinged covers, on the rugged drawn aluminum cases, contain a loop antenna. Opening the cover to a vertical position connects the antenna terminals to the receiver via maintenance-free gold-plated contacts. An interlock switch prevents inadvertent battery discharge when the cover is closed.
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Product
Hall Effect Sensor
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The hall effect sensor products are manufactured according to international standards. Being an ISO 9001:2008, ISO 14001 and OHSAS 18001 certified company, DER EE is capable of designing and producing superior products to the highest standards of customers' requirements. Hall effect sensors we provided are a device containing both the sensor which produces a very low signal level and contains the vacuum tube amplifier and a high gain integrated circuit (IC) amplifier in a single package. hall effect sensor offer many applications to sense position and motion, to control electric motor control, to sense wheel rotation and so on.
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Product
Selective Field Analyzer
SFA-S
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Active broadband isotropic antenna combined with portable USB powered spectrum analyzer. OFA-S/SE antenna has frequency response independent of antenna or electric field orientation. It offers broad dynamic range for the variety of RF regulatory, safety, EMC, wireless and telecommunications applications. Spectrum analyzer SA-S displays the frequencies and field strength of selected signals, allowing all results to be viewed and stored on PC.
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Product
RF Power Transistors
Silicon Bipolar
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Macom Technology Solutions Holdings Inc.
At MACOM we offer a broad range of silicon bipolar transistor products designed for applications ranging from DC to 3.5 GHz. Our silicon bipolar transistors are ideal for civil avionics, communications, networks, radar, and industrial, scientific, and medical applications. Our all-gold metallization fabrication processes ensure high performance and long term reliability for ground and space applications.
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Bipolar Transistors
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Renesas transistors offer a package lineup including ultra-small packages, suitable for a variety of applications such as large current applications, amplifiers, and support customers' systems.
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STPOWER RF LDMOS Transistors
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ST offers a broad portfolio of RF LDMOS (lateral double-diffused metal oxide semiconductor) transistors operating from a supply voltage of 7 to 50 V. They target applications in the 1 MHz to 4 GHz frequency range and feature high peak power up (>1 kW) and high ruggedness capability.
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Isolated Hall Effect Current Sensors
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Isolated Hall Effect current sensors provide accurate high bandwidth current sensing. Vektrex offers models to 320A. For use, the 50-ohm voltage output is connected directly to an oscilloscope or data acquisition system. VCS sensors are magnetically isolated like clamp-on oscilloscope probes. With secure cable attachment, repeatability is ensured.
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Matched Transistors
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Analog Devices offers dual and quad transistors with excellent matching characteristics. Offset voltages, temperature drift, and hFE matching are individually tested to data sheet specifications. Device performance is guaranteed over industrial and military temperature ranges. Each of these devices is an excellent choice as an input stage for an amplifier or in log/antilog circuits. ADI’s matched transistors offer low noise and high gain, with characteristics approaching an ideal transistor.
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Product
Universal Field Calibrater
UFC 45-B
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Model UFC-45-B field calibrater is widely used calibration tool in process industry for last 15 years. Functionally it is designed to tackle most common trouble-shooting during commissioning and routine maintenance. Model UFC-45-B is truly hand held calibration instrument purposely limited functionally to simplify its use. With all its features UFC-45-B battery operated field calibrator is an essential tool in a service engineers kit.
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Product
Hall Effect DC Current Sensor
CYHCT-L20K
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ChenYang Technologies GmbH & Co. KG
The sensor CYHCT-L20K is based on open loop principle and designed with a high galvanic isolationbetween primary conductor and secondary circuit. It can be used for measurement of DC current, DCpulse currents etc. The output of the transducer reflects the real wave of the current carrying conductor.
