Opto-Electronics


Latest Articles

Photodiode receivers for high-speed data
23 January 2008, Hamamatsu Photonics UK
Hamamatsu has introduced the new G10447 series of 10 Gbps GaAs PIN photodiode receivers mounted in industry standard ROSA (receiver optical sub-assembly) packages. The G10447 series features a very ...

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The light of unlimited possibilities
23 January 2008, EBV Electrolink
No bulb is as small as an LED. That advantage opens up innumerable potential uses and freedom in design. Smaller than a pinhead or a ladybird, LEDs can be varied in arrangement to provide a custom lighting ...

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On-screen-display generator with integrated EEPROM
28 November 2007, CST Electronics
Fulfilling the CCTV security industry's requirement to generate and overlay user-defined text and graphics onto a video image, Maxim has developed the MAX7456, a single-channel, monochrome on-screen-display ...

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High-brightness LED drivers with wide input voltage range
28 November 2007, Altron Arrow
National Semiconductor has added two new LED drivers to its PowerWise energy-efficient product family. The LM3401 and LM3405A power 1 W to 5 W, high-brightness LEDs found in industrial and automotive ...

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3-channel, constant current LED driver family
28 November 2007, Communica
Supertex has released a family of three LED driver ICs, the CL320, CL325, and CL330, each consisting of three channels of constant current output, designed to drive three LED strings at currents of 20 ...

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LED modules operate directly from AC mains voltage
14 November 2007, NuVision Electronics
The Acriche series from Seoul Semiconductor consists of high-brightness LEDs (HB LEDs) that operate directly off of 110 or 220 V a.c. household mains circuits, without the need for any additional power ...

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16-channel LED driver with innovative diagnostics function
14 November 2007, NuVision Electronics, ASIC Design Services
austriamicrosystems developed the AS1110 16-channel constant current LED driver with advanced error diagnostics for open and shorted LEDs. The AS1110 uses the serial data input/output lines for the error ...

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LED claimed to be the world's brightest
14 November 2007, NuVision Electronics
Seoul Semiconductor launched an LED product which it claimed was the brightest in the world, designated the P4. This LED emits 240 lumens at 1 A and also features what the manufacturer claimed to be the ...

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Surface mounting infrared sensors
14 November 2007
Said to be the world's first SMD PIR, the IRS-A200ST01-R1 series from Murata provides benefits over and above the obvious for changing to SMD format. The obvious benefits are an immediate reduction of ...

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New LCOS spatial light modulator
31 October 2007, Hamamatsu Photonics UK
Hamamatsu Photonics' new LCOS spatial light modulator, the X10468, features a fill factor of greater than 95%, high diffraction efficiency and high precision phase modulation with high linearity. Compared ...

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LED driver provides high current accuracy
31 October 2007, Communica
Supertex has introduced a new three-channel LED driver IC designed to provide high LED current accuracy through closed loop control of the output currents. It is designed for applications using RGB LED ...

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LCDs offer unique colour combinations
17 October 2007, Altron Arrow
AZ Displays recently announced the availability of a new graphic chip-on-glass (COG) display series AGM1264N. The three standard models have the same dimensions and functions, but differ in background ...

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Ambient light sensor operates under direct sunlight
17 October 2007, Altron Arrow
Avago has developed a new ambient light sensor with a precise, logarithmic output response over a wide range of lighting conditions. The APDS-9007 is designed to cover a wide range of brightness from ...

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PTC thermistors as current limiters for LEDs
3 October 2007, Electrocomp
LEDs have developed greatly in recent years: from leading a niche existence as pure indicator lamps, to high-power LEDs with a light output currently exceeding 100 lumens. Lighting costs with LEDs continue ...

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Tiny, highly efficient WLED drivers
3 October 2007, CST Electronics
Maxim has introduced the MAX8901A/MAX8901B small, high efficiency white-LED (WLED) drivers ideal for the 1,5-inch to 4-inch LCDs used in battery-operated devices such as smartphones, PDAs, portable media ...

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Full bridge gate driver for HID lighting applications
3 October 2007
Ixys has announced that its subsidiary, Micronix, has developed the MX6895, a new high voltage, full bridge gate driver designed specifically to address the growing high intensity discharge (HID) Xenon ...

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Off-line high brightness LED driver
3 October 2007
Clare Micronix, a subsidiary of Ixys, has developed a new high efficiency off-line, high brightness LED driver, the MXHV9910. The driver can operate from a wide input supply voltage of 8 V to 450 V, enabling ...

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LCDs suitable for super low temperatures
3 October 2007, Altron Arrow
AZ Displays has produced an LCD module that can survive temperatures as low as -40°C. This solution not only enables LCD operation at extremely low temperatures, it also spares a user from having to ...

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New TFT LCDs for industrial handhelds
3 October 2007
Sharp Microelectronics has introduced two new 4,3-inch, 16:9 aspect ratio industrial TFT LCD panels (type LQ043T1DG01 and LQ043T1DG02) particularly designed for mobile and industrial handheld applications. The ...

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LED driver features auto-power-saving
3 October 2007
STMicroelectronics has introduced an LED driver which includes auto-power-saving features. The STP16CPS05, a member of the Power Logic family, allows manufacturers to meet the high power-efficiency requirements ...

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