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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Laser Diode Driver
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Fibotec offers special laser diode drivers, especially versions that accommodate laser diodes via integrated terminal bases. Two standard products for different applications accommodate laser diodes in butterfly packages with up to 2 A forward current. The "Pump Laser Pinout" is standard. The configuration for "Signal Laser" is available on request.
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Laser Diode Testing
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The low power series of burn-in and life test systems are designed to test the reliability of low power laser diodes up to 1 Amp in current. The modular design means they can test up to 2,048 lasers, however due to the flexibility of the system, it can be adapted to suit both low volume R&D environments and high volume production environments.
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Product
SP2T RF Pin Diode Switches To 18 GHz
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Pulsar Microwave's 2-way switches are available in absorptive and reflective designs from 20 MHz to 18 GHz. They are also referred to as single pole, double throw and abbreviated SPDT or SP2T. These switches have a typical VSWR performance of 1.6:1 or better and input power handling of 200 milliwatts maximum. Switching time is 100 nanoseconds, and isolation of 60 dB or greater for most models. Supply voltages are +5V and -5V, with TTL logic control voltage of 0 to 5 volts.Both absorptive and reflective SPDT switches are packaged into Pulsar Microwave's SW2 outline. Configuration is standard with SMA female connectors. Voltage is applied with wire wrap feed thru terminals. The housing serves as electrical ground, and two turret terminals are installed for wiring.
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Product
Varactor Tuning Diodes
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Macom Technology Solutions Holdings Inc.
MACOM’s GaAs and Silicon varactor tuning diodes provide broadband performance ranging from 10 MHz to 70 GHz. They are ideal for high Q filter and VCO electronic tuning circuits and are available in die form, flip chip, plastic and ceramic packaging. These GaAs diodes boast a constant gamma series for higher frequency and high Q applications and silicon abrupt and hyper abrupt series in plastic packaging are suitable for high volume surface mount applications.
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Product
PIN Limiter Diodes
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Macom Technology Solutions Holdings Inc.
MACOM’s PIN limiter diodes provide excellent broadband performance from 1 MHz to 20 GHz and higher for receiver protector circuits. Our PIN limiter diodes are available in die form, plastic and ceramic packaging. Our ceramic packaged diode series is ideal for waveguide, coaxial, and surface mount applications, while our die diode series is well suited for chip and wire high frequency microwave applications.
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Product
Limiter Diodes
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The SemiGen SLP7100 series of Limiter Diodes are processed with a high-resistivity epi that have thin intrinsic layers. These devices are typically in the 2 to 20 micron range of epi thickness and can be gold doped to achieve specific performance goals. These diodes are used in passive or active limiter designs in the 100 MHz to 30 GHz frequency ranges. They are ideal for use in high-power applications and can be supplied in chip form or in your choice of packages below.
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Product
Laser Diode Drivers
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Berkeley Nucleonics Corporation
Provides a laser diode with a stable, low-noise current source.
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Product
Silicon Carbide Diodes
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In addition to ensuring compliance with today's most stringent energy efficiency regulations (Energy Star, 80Plus, and European Efficiency), ST's silicon-carbide diodes show four times better dynamic characteristics with 15% less forward voltage (VF) than standard silicon diodes. Silicon-carbide diodes belong to our STPOWER family.
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Product
Laser Diode Collimators, 520nm - 785nm, Elliptical Beam
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The Optoelectronics Company Ltd
Custom lasing wavelengths and power options are available. Both standard and custom configurations provide OEMs, end-users and systems integrators with complete, cost-effective laser solutions.
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Product
High-power Laser Diode Assembly
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The laser diode is one of the most common devices used throughout photonics. The micro-assembly process calls for the placement and bonding (align-&-attach) of single emitters, or multiple laser diodes (stacked or complete bars), the placement, active alignment and bonding of necessary micro-optical elements, subsequent device testing, and ultimately packaging and quality control. ficonTEC’s machine systems are capable of all the steps necessary for assembling laser diodes, even high-power devices. Multiple in-line systems can be configured to address entire process segments.
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Product
SP3T RF Pin Diode Switches To 18 GHz
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Pulsar Microwave manufactures 3-way absorptive and reflective switches for use in 50-ohm systems. These SP3T switches operate from 100 MHz to 18 GHz and handle 200 mW input power. VSWR performance is often 1.6:1 or better with 100 ns switching time. Minimum isolation of 60 dB is specified for most units. Absorptive and reflective switches require +5V and -5V power supply to function. Control logic is from 0 to +5 volts. All voltage and ground connections are made by feed thru and turret terminals, respectively.
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Product
Diode Pumped Actively Q-switched Lasers
NL120 Series
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NL120 series electro-optically Q-switched nanosecond Nd:YAG lasers provide up to 10 J per pulse with excellent stability. The innovative, diode‑pumped, self‑seeded master oscillator design results in Single Longitudinal Mode (SLM) output without the use of expensive narrow linewidth seed diodes and cavity‑locking electronics.
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Product
MICROWAVE SWITCHING DIODES FROM 1 to 40 GHz
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Insight Product Company offers Microwave Switching Diodes with switching time up to 3 nsec and operating in frequency range from 1 to 40 GHz. The p+ -n - n+ silicon spackage-less switching diodes are designed to be used in microwave switching devices, phase changers, modulators, microwave attenuators - parts of hybrid microcircuits that provide capsulation and protection against ambient action.
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Diode Laser Systems and Fiber Lasers
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The HighLight Series of direct-diode systems and fiber lasers are robust and easy-to-use. These systems have a proven track record in industrial materials processing applications.
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Diode Submounts
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Ultra-precise patterning of thin film metals on dielectrics with high thermal conductivity are used for diode submount applications. Via the acquisition of Ion Beam Milling, Inc., SemiGen is the industry leader for laser diode submount fabrication. As each application is different, we work with customers to develop a custom design that perfectly fits their requirements. We have experience producing circuits utilizing substrates of varying thicknesses with high thermal conductivity such as alumina (Al), aluminum nitride (AlN), and beryllium oxide (BeO). SemiGen can deliver laser diode submounts with or without Au/Sn pads depending on your needs.
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Product
SPDT PIN Diode Switches
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Fairview offers a comprehensive selection of 23 different models of SPDT PIN diode switches that cover frequencies ranging from 10 MHz to 67 GHz. The high isolation levels up to 80 dB ensure that unwanted signals will not leak into the desired signal path. Other critical performance features include low insertion loss as low as 1.1 dB and fast switching speed performance as low as 50 nanoseconds. Both absorptive and reflective designs are available and every model utilizes integrated TTL compatible high speed driver logic circuitry. These SPDT switches are constructed using MIL-Grade rugged coaxial packages and several models support field replaceable connectors. All models are EAR99.
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Product
Tunable Diode Laser Absorption Spectroscopy
5100 TDLAS
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The feature-rich 5100 TDLAS offers high-sensitivity, analyte-specific, fast-response measurements for critical industrial applications. It features a single absorption cell and integrated sample system in a compact, cost-effective package.
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Product
Planar-Doped Barrier Diode Detector, 100 kHz to 2 GHz
8471D
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The Keysight 8471D is a low-cost, planar-doped barrier detector offering excellent performance to 2 GHz. A negative polarity output is standard, and a positive polarity is available as Option 103. A load option (Option 102) extends the square-law region to at least -10 dBm. The Keysight 8471D has a BNC (m) input connector and a frequency range of 100 kHz to 2 GHz, making it ideal for use in RF and low microwave applications.
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Product
MOSFETs, MESFETs, and Schottky Diodes
Semiconductor Module
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The Semiconductor Module allows for detailed analysis of semiconductor device operation at the fundamental physics level. The module is based on the drift-diffusion equations, using isothermal or nonisothermal transport models. It is useful for simulating a range of practical devices including bipolar, metal semiconductor field-effect transistors (MESFETs), metal-oxide-semiconductor field-effect transistors (MOSFETs), Schottky diodes, thyristors, and P-N junctions.
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Product
Schottky Mixer and Detector Diodes
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Macom Technology Solutions Holdings Inc.
Schottky diodes are majority carrier diodes formed by plating a layer of metal on a layer of doped semiconductor, which forms a rectifying junction. The type of metal and the type of dopant in the semiconductor determines the diode’s barrier height, which is a measure of the amount of energy required to force the diode into forward conduction. MACOM produces Si Schottky diodes as well as GaAs Schottky diodes for use as signal detectors or in frequency mixers.
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Product
Schottky Mixer And Detector Diodes
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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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Product
Tunable Diode Laser Absorption Spectroscopy
5100HD TDLAS
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Using tunable diode laser absorption spectroscopy (TDLAS) technology, the 5100HD can be configured with one or two absorption cells, providing dual stream analysis and/or the measurement of multiple analytes at the same time.
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Product
12 Pulse Diode Bridge Rectifiers Inside Fiberglass Plenums, P/N 5872C4-2
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- 12 Pulse Diode Bridge Rectifier, P/N 5872C4-2- Each diode is rated for 60 Amps, 1800 Volts peak- Dimensions: 50″L x 40″W x 20″H approximately- Four 10″ fans are used for coolingFour 10″ fans will force cool from the bottom of the Plenum. 12 diode assemblies (each diode consists of nine diodes in series are integrated together inside the Plenum). The output is rated for 3000 VDC, 80 Amps.
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Product
Diode Lasers
6-Watt Blue Engraving Laser
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Advanced Photonic Sciences LLC
Can be used in laser engraving, marking, and cutting applications. Process wood, plastics, metals, anodized aluminum, stone, tile, and other materials. The adjustable spot can be adapted to the needed distance from laser to the material. The spot, with a size of <100 μm, creates very fine engravings and sharp cutting edges. The built-in driver accepts TTL and analog signals for power adjustments. The laser can be controlled between 0% and 100% of output power. It comes preset and needs only a power supply and a signal source.
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Product
Gunn Diodes
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The Gunn diode is the best known and most readily available device in the family of transferred electron devices (TED). They are employed as DC to microwave converters using the negative resistance characteristics of bulk Gallium Arsenide (GaAs) and only require a standard, low impedance, constant voltage power supply, thereby eliminating complex circuitry. Teledyne Lincoln Microwave’s DC1200 series of GaAs Gunn diodes is designed for operation at fixed frequency (determined by the oscillator cavity) within a specified band under CW or pulsed conditions.
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Silicon Diodes
DT-670 Series
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DT-670 Series silicon diodes offer better accuracy over a wider temperature range than any previously marketed silicon diodes. Conforming to the Curve DT-670 standard voltage versus temperature response curve, sensors within the DT-670 series are interchangeable and, for many applications, do not require individual calibration. DT-670 sensors in the SD package are available in four tolerance bands—three for general cryogenic use across the 1.4 K to 500 K temperature range and one that offers superior accuracy for applications from 30 K to room temperature. DT-670 sensors also come in a seventh tolerance band, B and E, which are available only as bare die. For applications requiring greater accuracy, DT-670-SD diodes are available with calibration across the full 1.4 K to 500 K temperature range.
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Product
Rotating Diode Assembly, P/N 6118CA
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CEHCO is a specialist in the repair of Rotating Diode Assemblies.
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Product
Blue-violet Laser Diode Modules: 450nm, Elliptical Beam
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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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Product
KATANA & PILAS Pulsed Diode Lasers
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With external trigger functionality, nano- to picosecond pulse duration, and a wide range of wavelengths, the KATANA & PILAS series are our most versatile offering.
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Product
Solid State PIN Diode Transfer Switch, 100 MHz to 18 GHz
P9400C
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The Keysight P9400C solid state PIN diode transfer switch offers outstanding performance in terms of port-to-port isolation, switching speed and low insertion loss over a broad operating frequency range of 100 MHz to 18 GHz. The P9400C is particularly well suited for ultra-fast RF and microwave switching applications in instrumentation, communications, radar, switch matrices and various other test systems where high isolation, speed and lifetime of a switch is critical.
