Opto-Electronics


Latest Articles

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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Oval through-hole LEDs for full colour lighting
3 October 2007
Avago has announced a new series of Extra Bright II oval red, green and blue light emitting diodes (LEDs) for the electronic signs and signals (ESS) market. These 4 and 5 mm oval through-hole LED lamps ...

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LED driver features an integrated current regulating switch
3 October 2007, Communica
Supertex has introduced the HV9980, a new, three channel, high voltage, LED driver IC suited to both LCD and DLP television applications. The device features three channels of peak current mode control ...

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CMOS digital photo IC for colour sensing
3 October 2007, Hamamatsu Photonics UK
Hamamatsu Photonics has introduced a new 12-bit digital output colour sensor photo IC. The new S9706 device consists of a matrix photodiode array coupled to an RGB (red, green and blue) filter matrix ...

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Surface mount LEDs for harsh environments
3 October 2007, Altron Arrow
Avago has released a new line of high brightness red, amber, and orange PLCC-4 SMT LEDs for use in interior and exterior automotive and electronic signs and signals applications. These top-mounted lensed ...

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New 1 Watt, 56 lumen, low-profile LED
3 October 2007
Avago has added a 1 Watt warm white light emitting diode (LED) to its family of Moonstone power LEDs. Available in a low profile SMT package measuring 15,85 x 8,5 x 3,3 mm (l x w x h), the ASMT-MY00 ...

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Tiny LEDs boast long lifetimes
3 October 2007, Future Electronics
LUXEON Rebel power LEDs from Philips Lumileds have a tiny footprint of just 3 mm x 4,5 mm, and are able to sustain drive currents up to 1000 mA. Benefits of this LED family include reduced thermal design ...

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Triple-output driver for tricolour LEDs
19 September 2007
Specifically designed to drive tricolour RGB (red, green, blue) LEDs for fun lighting or enhanced LCD backlighting in portable applications such as cellphones and MP3 players, the new NCP5623 from ON ...

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InGaAs ROSAs for ultra-high-speed data transmission
19 September 2007, Hamamatsu Photonics UK
Hamamatsu Photonics has introduced the G10342 series, 10 Gbps InGaAs PIN photodiode receivers mounted in industry standard ROSA (receiver optical sub-assembly) packages. The G10342 series features an ...

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High-brightness warm-white LED range
19 September 2007, Altron Arrow
Avago recently released a new series of high-brightness warm-white through-hole (TH) LEDs in a 5 mm round package for use in a wide range of solid-state lighting and illumination applications. Available ...

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Highly bright and efficient LED
19 September 2007, Altron Arrow
Cree recently announced the availability of XLamp LEDs with minimum luminous flux of 100 lumens at 350 mA, claiming that these are the first LEDs to be available in volume with this level of performance, ...

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Extended function high-voltage LED driver
5 September 2007, CST Electronics
The new MAX16831 from Maxim is a high-voltage, high-power, constant-current LED driver with analog and PWM dimming. It integrates a floating LED current-sense amplifier and dimming MOSFET driver to ...

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Optical multiplexers available with wider packaging and assembly options
5 September 2007, Omron Electronics
Omron has released a new Tap Case package and additional fibre assembly options, extending the mounting options for CWDM (coarse wave division multiplexing) multiplexers in fibre-to-the-node and fibre-to-the-home ...

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Optical controller simplifies GPON transceivers
22 August 2007, CST Electronics
The DS1865 from Maxim is an IC for optical control, calibration and monitoring. It integrates GPON power-levelling functionality, a large bias APC (average-power-control) loop, video amplifier control ...

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