September 12, 2005
[Web Exclusive] ED Helpline: Rotation Sensing
I have a data logger that works from 0 to 5 V dc that I'm using in a race-car application. I want to be able to convert ground distance to a 0- to 5-V dc scale. I can create any hardware needed for this application...
September 12, 2005
[Web Exclusive] ED Helpline: Variable Signal Generator
Does anyone know of, or how to make, a signal generator (of sorts) that can produce a square wave output, variable from about 100 Hz all the way up to 50 kHz, and be able...
September 7, 2005
[Electronic Design UPDATE] Electronic Design UPDATE: September 7, 2005
Industry View: Power And Analog Make Successful Consumer Electronics, by Julian Hayes. Conventional wisdom in consumer electronics, driven by Moore's Law, calls for increasing functionality on single systems-on-a-chip (SoCs). But the laws of physics (heat, current leakage, crosstalk, etc.) have all but eliminated Moore's Law as a gating factor...
August 18, 2005
[Web Exclusive] ED Helpline: Soft Start Circuit
I am driving MOSFETs in a half-bridge configuration at 540 Hz with signals from an external unit (PWM controller is not being used to generate the switching pulse). Is there a soft-start circuit that ramps up the duty cycle...
August 10, 2005
[Electronic Design UPDATE] Electronic Design UPDATE: August 10, 2005
Industry View: Embedded Linux Offers New Opportunities in Comm Access Arena, by Rakesh Tiwari. The communications access arena is rapidly changing. This highly dynamic market, with its many emerging standards and protocols, has become increasingly cost-sensitive. Developers must not only bring to market lower-cost solutions...
July 13, 2005
[Electronic Design UPDATE] Electronic Design UPDATE: July 13, 2005
Industry View: Power Reduction: Another Benefit Of Signal Integrity, by Joseph Fjelstad. Signal transmission speeds are now entering the gigahertz range, and understandably, designers are paying considerable attention to signal integrity...
July 7, 2005
[Web Exclusive] ED Helpline: Human Body Detection System
I am looking for a method of detecting a human body up to 50 feet away, and then I would like to determine his/her approximate x-y location within the detection area/zone. I thought of using two passive sensors...
June 15, 2005
[Electronic Design UPDATE] Electronic Design UPDATE: June 15, 2005
Industry View: What If Everyone Could Drive A Hybrid, by Richard Smith. The recent buzz about hybrid vehicles has been growing even faster than the unit sales. Clearly, that the transition to an all electric vehicle using fuel cells or high energy batteries...
May 18, 2005
[Electronic Design UPDATE] Electronic Design UPDATE: May 18, 2005
Industry View: IC Designers Work To Cut Power Consumption In Automotive Electronics, by Herve Branquart. Electronics have brought a great deal of improvement to today's cars: from better fuel consumption to passive safety devices...
April 20, 2005
[Electronic Design UPDATE] Electronic Design UPDATE: April 20, 2005
Industry View: Residential Ethernet: Unifying Consumer A/V And Information Technology, by Michael Johas Teener. Ethernet, while extraordinarily successful as a computer network, has not been widely adopted for real-time streaming of audio or video...
March 23, 2005
[Electronic Design UPDATE] Electronic Design UPDATE: March 23, 2005
Industry View: Safety Certifications Are Fine, But Look Behind The Label, by Roger Edelson. Do you need to check for UL approval or the CE mark on the off-the-shelf
power-distribution units (PDUs) and conditioning equipment you purchase? Is there a worthwhile reason to choose a supplier that is certified...
February 23, 2005
[Electronic Design UPDATE] Electronic Design UPDATE: February 23, 2005
Industry View: Smart Threshold Switches Could Reduce Standby Losses, by Roger Franz. Standby energy losses have proliferated with the widespread use of power supplies that are always in the partially-on state. While the U.S. is focused on requiring a 1-W...
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