Zener Diode
current flow from cathode to anode reverses when zener voltage reached.
See Also: Diode, Laser Diode, Diode Test, Photodiode
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E & W-Band PIN Diode Waveguide Switches
Fairview Microwave’s single-pole single-throw (SPST) and double-pole double-throw (DPDT) PIN diode waveguide switches feature fully integrated WR-10 and WR-12 waveguide ports and cover popular E-band (60 to 90 GHz) and W-band (75 to 110 GHz) frequencies. Switch circuits integrate low loss Fin-line assemblies with high performance GaAs beam-lead diodes that results in 4 dB insertion loss, greater than 25 dB of Isolation and fast switching speed < 300 nsec.
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Manual Tunable Littman/Metcalf Diode Laser System
Lion
Littman / Metcalf Tunable External Cavity Diode Laser, 630nm .. 1770nm, up to 100mW, patented technology, hands-off operation, large mode-hop free piezo tuning range, narrow linewidth, free space and fiber coupled versions. Check our ar-coated diode stock list for availability.
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Laser Diode
A laser diode, also known as an injection laser or diode laser, is a semiconductor device that produces coherent radiation (in which the waves are all at the same frequency and phase) in the visible or infrared (IR) spectrum when current passes through it.
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Millimeter Wave Zero Bias GaAs Schottky Diode
HSCH-9162
The HSCH-9162 is suitable for medium-low barrier, zero bias detector applications. The HSCH-9162 is functional through W-band (110 GHz) and can be mounted in microstrip, finline, and coplanar circuits.
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Diode Module Scanners
Scan500
Frothingham Electronics Corporation
The Scan500 scanners are add-on scanners for diode modules, to be used with a tester such as the FEC200.
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SCR, Diodes & Assemblies
SCR and Diodes are available as assemblies or discrete parts. Most assemblies are encapsulated. CEHCO stocks a variety of rectification products such as Diodes, SCR’s (silicon-controlled rectifiers), and Encapsulated Assemblies. We SCR and diodes replacement specialist. We specialize in obsolete and hard-to-find SCR and diode assemblies. We can offer an equivalent replacement for most obsolete rectification devices.
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Laser Diodes
With over 30 years of considerable experience in photonics industry, USHIO offers a wide range of high-quality Laser Diodes. They are available in different intensities and sizes, suitable for each and any application. These are industrial quality, reliable laser diodes offering high powers and low operating currents, long lifetimes and energy efficiency. All USHIO laser diodes are RoHS compliant. It is also possible to produce Laser Diodes to customer specifications. We offer technical support helping you select the ideal laser diode to get the most from your application. For laser diodes we are offering both test data and wavelengths selection on request. Please feel free to contact us (link) – we will be happy to help you.
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SP1T RF Pin Diode Switches To 18 GHz
Pulsar Microwave manufactures pin diode RF switches that are controlled by TTL logic. This configuration is known as single pole, single throw and is often abbreviated SPST or SP1T. They have been engineered to function in 50-ohm systems, and are designed to operate from 40 MHz to 18 GHz. They have a switching time of 100 nanoseconds and input power rating of 200 mW (23 dBm). Performance of 1.6:1 or better VSWR and minimum isolation of 60 dB is typical of most models.All switches of this type require both +5VDC and -5VDC to operate. Typical current consumption is +/- 30 mA. TTL control logic of 0 to +5VDC is required. Units comes standard with SMA connectors.
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Compact Laser Diode Modules: 635nm-639nm Visible Wavelength, 11mm Diameter
The Optoelectronics Company Ltd
Custom lasing wavelengths, from 405 nm to 852 nm, output power options and laser engraving are available to your specifications. Both standard and custom configurations provide complete cost-effective laser solutions.
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Laser Diode Characterization Systems
Artifex Engineering GmbH & Co. KG
The LIV100 and LIV120 employ digitally programmable analogue end stages for flexible and accurate current control. A wide range of current end stages are available with maximum currents of 250mA for low power and telecom lasers or up to 1200A for high power laser bars. Custom units are available with even more current!
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Osram High Power Blue Violet Laser Diodes (450-488nm)
The Optoelectronics Company Ltd
OSRAM Opto Semiconductors is a key player in the field of visible InGaN (Indium Gallium Nitride) lasers. OSRAM Opto Semiconductors offer leading product performance and innovative packaging. Thanks to their excellent beam quality, OSRAM laser diodes are ideally suited for the optical imaging of light. Not only that, but their small package size is particularly beneficial to highly compact systems, such as pico projectors. OSRAM laser diodes offer high efficiency and long lifetime: due to their excellent efficiency (ratio of light produced compared to electric power consumed), the temperature increase experienced by blue InGaN lasers during operation is kept to an absolute minimum, allowing them to deliver a long life – up to 10,000 hours at 40 °C.
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Blue-violet Laser Diode Modules: 450nm, Elliptical Beam
The Optoelectronics Company Ltd
Custom lasing wavelengths, from 405 nm to 852 nm, output power options and laser engraving are available to your specifications. Both standard and custom configurations provide OEMs, end-users and systems integrators with complete cost-effective laser solutions.
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Photovoltaic System Bypass Diode Tester
FT4310
Hioki is pleased to announce the launch of the Bypass Diode Tester FT4310 for Photovoltaic Systems. The FT4310, which is designed to test bypass diodes in strings of crystalline photovoltaic cells, can be used to detect open and short-circuit faults in bypass diodes by string either in daylight or at night. The instrument is the first portable device capable of detecting bypass diode open faults in operating panels (without requiring the panels to be shielded from sunlight).
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Low-Barrier Schottky Diode Detector, 10 MHz to 18 GHz
8472B
The Keysight 8472B Low-Barrier Schottky Diode (LBSD) detector has been widely used for many years in a variety of applications including leveling and power sensing. It offers good performance and ruggedness. Matched pairs (Option 001) offer very good detector tracking. A video load (Option 002) extends the square-law region to at least 0.1 mW (-10 dBm).
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Diode Tester
FEC200E
Frothingham Electronics Corporation
The FEC200E is an automatic computer- controlled diode and rectifier tester. It is controlled by a standard PC-compatible computer running FreeDOS.
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SP16T RF Pin Diode Switches To 10 GHz
Pulsar Microwave's 16-way switches cover 500 MHz to 10 GHz in single pole, 16-throw configuration. Maximum input power is 200 mW and switching time is 100 ns. SMA female connectors are standard. A 15-pin D-SUB male connector makes the internal connections to the power, ground and logic circuitry. Switching control is TTL with the option of line drivers and decoders.
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High Power Laser Diode Drivers
Lumina Power state-of the art laser diode drivers are designed for the emerging high power laser diode industry.
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Planar-Doped Barrier Diode Detector, 0.01 to 18 GHz
8474B
The Keysight 8474B is a high-performance detector using a gallium arsenide, planar-doped barrier detecting element. It features extremely flat frequency response over its entire band of operation and very good frequency response stability versus temperature. The Keysight 8474B is also very rugged with high resistance to ESD damage. The Keysight 8474B detectors are available with 0.01 to 18 GHz and a type-N connector. This detector offers options for optimal square-law loads (Option 102) and for positive polarity output (Option 103). Because the unit-to-unit frequency response tracking of these devices is typically better than plus or minus 0.3 dB, no matched response option is offered.
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SP4T RF Pin Diode Switches To 16 GHz
The 4-way series of absorptive and reflective switches operate from 100 MHz to 16 GHz. They are rated at 200 mW maximum input power and have a switching time of 100 ns. SP4T switches that operate up to 8 GHz have a maximum VSWR of 1.6:1 and minimum isolation of 60 dB. All absorptive and reflective switches manufactured by Pulsar Microwave require both positive and negative 5-volt supplies. Additionally, the TTL control logic operates from 0 to +5 VDC. Voltage connection is made with feed thru terminals. Ground connection is made through the chassis and turret terminals.
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Low-Barrier Schottky Diode Detector, 10 MHz to 18 GHz
8473B
The Keysight 8473B Low-Barrier Schottky Diode (LBSD) detector has been widely used for many years in a variety of applications including leveling and power sensing. It offers good performance and ruggedness. Matched pairs (Option 001) offer very good detector tracking.
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Diode Power probe
The COMM-connect 3026 Diode based temperature compensated probe is designed for use with the COMM-connect range of Power Monitors. The probe will handle from 50µW to 100mW . Used with external couplers and the our measurement system application from 1W to 1MW, a high dynamic range can be configured. The 3026 Diode based probe gives excellent stable results along with the COMM-connect Power Monitor variants. This gives our customers a number of applications to monitor and control the last part of your RF network installation from transmitters to the antenna.
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Planar-Doped Barrier Diode Detector, 0.01 to 50 GHz
8474E
The Keysight 8474E is a high-performance detector using a gallium arsenide, planar-doped barrier detecting element. It features extremely flat frequency response over its entire band of operation and very good frequency response stability versus temperature. The Keysight 8474E is also very rugged with high resistance to ESD damage. The Keysight 8474E detector is available with a 2.4-mm (0.01 to 50 GHz) connector. This detector offers the options for optimal square-law loads (Option 102) and for positive polarity output (Option 103). Because the unit-to-unit frequency response tracking of this device is typically better than plus or minus 0.3 dB, no matched response option is offered.
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PIN Diodes
PIN photodiodes convert light to current – without a bias voltage having to be applied. Silicon is commonly used as an inexpensive detector material in the Vis range. For higher demands, InGaAs is used; it covers the widest spectral range from the Vis to the NIR. We offer silicon carbide as a “solar-blind” detector specifically for the UV range.
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Laser Diode Drivers
Arroyo Instruments offers a broad range of laser drivers to meet your exact test needs. From 100 milliamps to 100 Amps, all of Arroyo Instruments' LaserSource benchtop laser drivers include unique features not found on competing products such as optically isolated photodiode and modulation inputs, programmable PD bias, and both RS232 and USB computer interfaces. The LaserSource also has laser diode protection circuits such as interlock, ESD protection, and hardware limits for current and voltage.
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Schottky Mixer And Detector Diodes
Majority carrier diodes formed by plating a layer of metal on a layer of doped semiconductor, which forms a rectifying junction.
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Vegas Data Diode
01-09838
Non-ruggedized module that addresses concerns regarding use of untrusted, commercial-off-the-shelf (COTS) bus logging on aircraft with a MIL-STD-1553 or ARINC-429 bus interface.
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SCR Diode Testers
SCRs and Diodes are used in the power sections of various power systems. A SCR Diode Tester is an important piece of equipment to determine if a SCR or a diode is defective in a power circuit. It is difficult and time-consuming to troubleshoot SCRs and Diodes with a digital meter.
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Step Recovery Diodes
SemiGen’s SSR series of Step Recovery Diodes are epitaxial silicon varactors which provide high output power and efficiencies in harmonic generator applications. Using custom epitaxial wafers, our process ensures high reproducibility. The silicon dioxide passivation process assures greater stability and low leakage currents over temperature. Uniform capacitance ensures repeatability from device to device. These diodes are available in chip or packaged form.
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Laser Diode Life Test
Life-tests consist of the highly accelerated ageing, under controlled conditions, of a group of lasers taken as a representative sample. Optical degradation of the laser diodes is observed and recorded by precisely measuring changes in the laser's operating characteristics during the test. Life-tests are used for vendor qualification of the laser diodes during product development and can be conducted throughout the production life of the laser.
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Millimeter-wave and Microwave GaAs Diodes
Keysight Technologies provides MMIC diodes ideal for microwave radio, aerospace and defense, and instrumentation applications.
