Design Center

Components/New Products

New product information as well as design tips about passive devices and other components such as LEDs, LCDs, switches, sensors, cables, connectors, and motors.
Top Story

LP DDR2 DRAM momentum begins to build 7/25/2008

The LP DDR2 specification is potentially important to mobile device designers, and also to developers of power-conscious servers, primarily because of its reduced operating voltages. However, the devil is in the implementation details.

News

Freescale spins out MRAM biz 6/9/2008

Freescale’s 50-member MRAM team, along with the company’s related IP and products, will become EverSpin Technologies, a new company focused on bringing MRAM to market both as an embedded and standalone memory. "The spin out is to allow the technology to get wider adoption beyond Freescale’s products in the marketplace, but we will still be a very strong supporter and user of the technology," Freescale CTO Lisa Su said.

Light sensor integrates photodiode, transimpedance amp, and a linear voltage-output stage 6/6/2008

Melexis has introduced the MLX75305 light-to-voltage sensor for high-volume automotive, industrial, and consumer applications.

LED shipments to climb on notebook usage 5/29/2008

LEDs will light the notebook-PC-display-backlighting market ablaze during the next few years, with iSuppli Corp predicting that nine out of 10 large mobile-PC LCD panels will use the technology by 2012.

Carbon nanotubes behave like asbestos, study shows 5/21/2008

In a wakeup call for nanotechnology in general and carbon nanotubes in particular, a major study suggests some forms of carbon nanotubes, which has been the poster child for the “nanotechnology revolution” could be as harmful as asbestos if inhaled in sufficient quantities, the Project on Emerging Nanotechnologies reports.

Thin film encapsulation technology can be leveraged for flexible OLED displays 5/21/2008

Holding the potential to accelerate commercialization of flexible organic light emitting diodes (OLED) displays, the US Display Consortium reported that a cooperative R&D program with GE Global Research has been completed whereby GE has demonstrated an ultra high barrier thin-film encapsulation process on a wide variety of OLED structures through a batchmode, plasma-enhanced chemical vapor deposition process.
In-Depth

Estimating junction temperature from top-surface temperature in power MOSFETs 5/30/2008

If you can determine the surface temperature of a MOSFET package with a bench probe, you can get a good idea of the device's junction temperature.

Designing with high-power LEDs on epoxy-glass boards 3/31/2008

Learn the fundamentals of thermal design and how it can be implemented using practical methods and materials to produce acceptable high-power LED applications.

A few useful formulas for magnetic-products design 3/27/2008

These useful equations assist in selecting magnetic cores, making the necessary gap assessment, determining magnetic-core parameters, and evaluating the energy-storage capability of gapped cores.

Power, power everywhere but nary a watt to blink 2/27/2008

Tales From The Cube: Clever design takes 550V-ac oil pumps offline to avert environmental disaster.

EDN announces 18th Annual Innovation Awards finalists 2/1/2008

EDN proudly announces the 18th Annual EDN Innovation Awards finalists. Please review the finalists and vote using the online ballot.
Experts

Harley Feldberg: the pulse of the industry 3/20/2008

Voices: EDN speaks with Avnet's Harley Feldberg about the economic situation, the growing role of Avnet in the design community, and the changing role of Asia in the industry.

Voices: Chano Gómez on powerline networking's "universal" hope 12/14/2007

How does UPA (Universal Powerline Association) technology cope with powerline noise? Why is it marketed as "200 Mbps" when it provides only a fraction of that? And is there hope for a true powerline standard? DS2's Chano Gomez provides technical and strategic insights.

Reach out and touch: Designing with touchscreens 9/27/2007

Although the touchscreen interface may be digital, the human interface is purely analog.

Roll back the lead-free initiative: 12 ROHS myths 9/13/2007

I'm all for environmental legislation when it actually helps. When it doesn't help, and it harms something else, I question the result.

Internet video provides another channel for Design Idea delivery 6/7/2007

Our goal with video and other multimedia presentations is to provide you information in whichever ways you want to consume it.
DesignIdeas

Precision capacitive-sensor interface suits miniature instruments 7/24/2008

A pair of one-shots develops a voltage proportional to the value of a capacitive sensor and transmits these readings via a LVDS interface.

Precision temperature controller has thermal-gradient compensation 6/12/2008

An electronic work-around cancels the effects of thermal gradients in the load's thermal impedances.

Capacitive touch switch uses CPLD 5/29/2008

Using an Altera MAX IIZ CPLD, you can implement a touch-switch decoder with no external components.

Switched-gain op amp serves as phase detector or mixer 5/1/2008

By switching the disable input of an op amp at a reference frequency and lowpass-filtering its output, you can obtain a dc voltage proportional to the phase difference.

Microcontroller moving-dot display interface uses three I/O lines 5/1/2008

A moving-dot LED-display interface to a microcontroller uses only three output pins.
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Events

DISKCON USA 2008

Dates: 9/17/2008 - 9/18/2008
Location: Santa Clara, CA

China SMT Forum

Dates: 11/4/2008 - 11/6/2008
Location: Shanghai International Exhibition Center





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