Recognize high-power LED thermal problems
|
2007-09-17 |
| Designers attempting to create high-power LED systems are well served by understanding the thermal problems associated with LEDs. Smart thermal management will increase the operating temperature range, and thermal monitoring will maintain the accuracy of LED products |
|
| Achieve low-power, safer LED designs
|
2010-06-28 |
| This article discusses how to implement negative temperature coefficient (NTC) thermal management to achieve safer LED designs that consume less power |
|
| Stacked LED makes compact optocouplers
|
2005-04-01 |
| Get to know how stacked LED can enhance packaging capabilities and flexibility in your chip design |
|
| Design LED drivers for mobile phones, PDAs
|
2008-10-16 |
| Here is a look at LED apps, white LED, and a discussion of the latest features and driver topology for LCD backlighting, fun lighting and indication, as well as camera phone"s flash |
|
| Selecting and designing a LED driver
|
2004-07-16 |
| The article analyzes the choices, constraints and trade-offs on selecting white LED drivers for portable consumer devices |
|
| Integrate SMPS control in LED applications
|
2008-07-01 |
| Solid state lighting with LEDs can offer a combination of flexibility and efficiency unmatched by conventional lighting. It is quickly becoming one of the most exciting fields in electromechanical engineering and design. LED driver applications require buck converters because LEDs are current mode devices |
|
| Boost TV performance with 2D LED dimming
|
2008-06-16 |
| Adaptive backlight dimming requires a significant amount of image processing to be performed on the video stream to derive optimum backlight and pixel drive signals. |
|
| Opt for inductive converter LED drivers
|
2008-02-01 |
| Achieving the desired brightness in mid-size LCD panel applications requires LED drivers to deliver a regulated current to the LEDs across all operating conditions. Typically, two types of LED driver topologies may be used: capacitive charge pumps and inductor-based switching regulators. This article focuses on the inductive converter LED driver circuits delivering between one to six watts of power to the LEDs |
|
| Powering LED-backlit LCDs using DC-DC topology (Part 2
|
2011-05-09 |
| Know the approaches and tradeoffs in supply topologies and configurations when powering LED arrays |
|
| Powering LED-backlit LCDs using DC-DC topology (Part 1
|
2011-05-09 |
| Learn about the approaches and tradeoffs in supply topologies and configurations, when powering LED arrays |
|
| LED lighting control with powerline comms
|
2011-05-09 |
| Find out how the standard powerline can be adapted to control the attributes of many independent LED-based lighting fixtures |
|
| Boost LED performance via current source
|
2007-04-02 |
| For optimum performance, high-brightness LEDs should be driven by a current source rather than by a voltage source. |
|
| Implement LED flash in camera phones
|
2006-06-01 |
| The most daunting task facing camera phone makers today is the addition of a small light source that won?t rapidly drain handset battery life. |
|
| Maximize battery life with smaller LED drivers
|
2007-03-01 |
| The advantages of charge pumps over inductive boost solutions for driving miniature LEDs are their compact size, ease of implementation and low noise. |
|
| Auto-biasing white LED drivers reduce overall power
|
2004-10-01 |
| The current-controlled boost converter consumes less power than a standard circuit high-voltage step-up converter with fixed-output voltage. |
|
| Use current monitors for accurate measurement
|
2007-07-02 |
| Many modern electronic systems now require some form of current measurement to improve power dissipation, efficiency and reliability. They range from LED driving to portable equipment to power supplies of all sizes |
|
| Save battery life with ambient light sensors
|
2008-07-16 |
| Applying ambient light sensing in conjunction with LED backlight driving can reduce power consumption significantly—while battery life increases. Advances in active solutions are exemplified by two examples, an ambient light sensor for a notebook PC and for a cellphone display |
|
| Using RGB LEDs for multicolor sign applications
|
2009-09-03 |
| This technical article deals with the latest RGB LED package approaches for full-color indoor and outdoor displays, and technical considerations when designing these large full color displays |
|
| Powering LEDs for various lighting apps
|
2007-03-16 |
| White LED driver ICs must be able to deliver sufficient current and voltage for the specific configuration of LEDs and in a conversion topology that satisfies both the input voltage range, and required output voltage and current requirements |
|
| CCK, the new IEEE 802.11 standard for 2.4 GHz wireless LANs
|
2000-05-03 |
| The IEEE 802.11 committee to implement Wireless Local Area Networks (WLANs) has adopted a new modulation CCK for 11Mbps rates in the 2.4GHz ISM band. This paper discusses the new CCK modulation scheme and the considerations that led to the adoption of this technique for the standard |
|
| FPGAs take wrong road
|
2001-04-01 |
| FPGA vendors are gobbling up design starts that have been marginalized by the ASIC industry; the focus has led to massive improvements in routing resources, and addition of embedded SRAM and CPUs |
|
| GSM vocoders improve speech transmission
|
2004-11-01 |
| The evolution of signal-processing cores has led to the enhancement of speech coders used for GSM systems |
|
| CFL bulb teardown—What makes it a green solution?
|
2011-08-08 |
| Here's a product tear down that focuses on a dimmable CFL demonstration lamp made by Chinese manufacturer, Baishi. |
|
| Startup breaks Japanese recruitment pattern
|
2001-07-16 |
| This article tells the short story of the Japanese engineer who founded Analog and RF Tec Inc. as he airs his little frustrations regarding the industry and how he succeeded where others did not. |
|
| Ethernet moves past 10Gbps
|
2001-05-01 |
| Advances in Ethernet and the emergence of an intelligent optical layer have given birth to an alternative transport architecture that extends the power of Ethernet to MANs, WANs, and LAN backbones. |
|
| Rapid acoustic inspection for 300MM wafer generation (Part 2)
|
2012-01-09 |
| Read about a system that is touted to deliver superior precision, resolution and throughput in wafer inspection. |
|
| Carry out cache coherence in a MIPS32 multicore design
|
2008-11-03 |
| Here's an example of how the Open Core Protocol was used to reconfigure the basic MIPS32 architecture to support cache-coherent traffic within an embedded multicore cluster. |
|
| How FPGAs boost medical imaging
|
2011-11-29 |
| Learn how field-programmable gate arrays and other computing elements can enhance imaging techniques such as optical coherence tomography. |
|
| Circuit protection units ease transition to new automotive technologies
|
2011-08-08 |
| Learn how circuit protection devices can address the challenges brought about by the demand for increased number of power components and high-data-rate connections in automotive designs. |
|
| Why sustainability is significant in design engineering
|
2011-10-18 |
| There are now globally accepted metrics for measuring the real currency of sustainability from which design engineering can benefit. |
|
|
|
|
|
|Electronic Components|Computer Products|Trade Show Center
|Site Feedback|Site Map|Help|About Us|Contact Us|Terms of Use|Privacy Policy|Security Commitment