Opto-Electronics


Latest Articles

Optocouplers combine high speed with low noise
24 October 2001
An adroit merging of the Sharp double-transfer mould technology with the Optical IC (OPIC) process has enabled Sharp to develop high-speed optocouplers for the factory automation and network equipment ...

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Tiny 0402 blue chip LED
24 October 2001, Communica
Kingbright is introducing what it claims is the smallest, chip type blue SMD LED to the market. This ultra-thin and small 0402 design (1,0 x 0,5 x 0,5 mm) comes with an GaN blue LED chip which provides ...

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Dot matrix with built-in control
24 October 2001, Communica
Kingbright offers a dot matrix display that has a built-in control IC. The on-board CMOS has a 10 x 14 bit RAM, one bit associated with one LED, each to generate user-defined characters. The product is ...

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The need for light
24 October 2001, Electrocomp
Light for illumination: to be able to see, to work by and to go about our daily lives. But what about the light needed for indication - to tell us when something is on, or working, or if there is a fault ...

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Vacuum fluorescent displays offer more advantages
24 October 2001
Advanced display technologies have for decades been the mainstay for Futaba Corporation. Futaba manufactures vacuum fluorescent displays (VFDs). These are present in the instrument panels of automobiles ...

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Discrete components for fibre optics
24 October 2001, Electrocomp
Infineon Fiber Optics offer discrete products from PIN photodiodes to FP laser diodes. All discrete components are based on the use of hermetically sealed TO components and are available in different ...

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InGaAs photodetectors for OTDR applications
24 October 2001, Hamamatsu Photonics UK
Optical time domain reflectometry (OTDR) is a long established technique for determining the type and location of faults in optical fibre. OTDR systems measure the time taken for a laser pulse entering ...

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Right-angle SMD LEDs
24 October 2001, Communica
Kingbright's KA-4040 series (4,0 x 4,0 mm) true right-angle white SMD LED with built-in reflector provides high intensity output, 120 mcd (typ) at 20 mA, and wide viewing angle at 90°. This newly improved ...

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Light pipe
24 October 2001, Communica
Kingbright's light-pipe, made by high transmissive polycarbonate material with UL94V-0 rating, is available in single position, three position and four position in both horizontal and vertical arrangement. ...

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15" LCD displays now cost-effective
10 October 2001
LCD displays have always been too expensive for many applications. In order to save on cost users often select smaller or lower performance LCD displays. This is no longer necessary. A worldwide oversupply ...

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Constant-current latched LED driver IC
26 September 2001, Altron Arrow
The A6277 from Allegro MicroSystems is an 8 bit, serial-input, constant-current latched driver integrated circuit specifically designed for LED display applications. The device incorporates an 8 bit CMOS ...

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LED modules for heavy and light rail
26 September 2001, Electrocomp
Light emitting diodes (LED) are being used more and more in a wide variety on the traffic market. The railway signal modules from Osram OS are based on Power TOPLED with lens, a new member of the TOPLED ...

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InGaAs photodiode arrays for DWDM
26 September 2001, Hamamatsu Photonics UK
With an ever-increasing demand for complex optical transmission systems, such as DWDM, there is a growing market for products to accurately monitor and control the increasing number of wavelengths being ...

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10,4" industrial display of monitors
12 September 2001
The AMB-232A is an ideal 10,4" VGA (640 X 480) colour TFT display monitor built specifically for industrial applications. The Aaeon design displays brilliant, crisp and flicker-free images. With the optional ...

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High-bright LEDs
12 September 2001, EBV Electrolink
High-end LED applications such as exterior lighting, automotive electronics, traffic signs or incandescent lamp replacement, above all require superior luminous flux. Vishay, a long-term partner of EBV, ...

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Silicon ambient light sensor sees light as human eyes do
1 August 2001, Electrocomp
Regular silicon detectors have their maximum sensitivity in the IR range, and thus behave considerably differently from human eyes. If they are used as ambient light sensors, ie to adjust display backlighting, ...

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Optical Schmitt triggers
1 August 2001, Electrocomp
Osram Optosemiconductors offers a wide range of optical photodiodes with integrated Schmitt trigger circuits for digital output applications. These devices are available in a variety of packages, including ...

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Transmitters and receivers for plastic fibre optics
1 August 2001, Electrocomp
Plastic fibre links use simple and inexpensive LEDs and photodiodes as transmitters and receivers, respectively. The most common type of plastic optical fibre is composed of a polymethylmethacrylate (PMMA) ...

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Mobile antenna
29 August 2001
A magnetically mounted GPS/GSM antenna for mobile applications has been developed by Webb Industries. Magnetic mounting allows the antenna to be quickly fitted or removed from a vehicle giving it complete ...

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4-pin dual photo IC for distance measuring
18 July 2001, Hamamatsu Photonics UK
For triangulation distance measurement Hamamatsu offers a new photo IC. Operating at 5 V, the 58030 is available with a 4-pin SIP (5 x 5 mm) or surface mounted SOP (4,5 x 4,5 mm) package. The dual photo ...

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