[Technology Report] Support IPv6 Now Or Later?
IPv6 is coming! IPv6 is coming! Unfortunately, nobody is hanging lanterns in the church tower to tell our Paul Revere how or when Internet Protocol version 6 (IPv6) will arrive. Eventually, IPv6 will be pervasive, and it's up to embedded designers to...
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William Wong
[Product Innovation] 60-A Quarter-Brick DC-DC Converter Keeps Its Cool
With the migration from Schottky Rectifiers to Synchronous Rectification a few years ago, dc-dc converters achieved dramatic improvements in efficiency. As an example, consider a 30-A telecom-style dc-dc converter designed for the popular 3.3-V supply...
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David G. Morrison
[Design Application] Go Abstract To Speed Up Your Design Flow
New silicon-process-technology nodes are coming out every 18 months. Each process node brings a doubling of chip gate capacity. On top of that, the new 90-nm technology with 7.2-ps gate delays and 10 layers of interconnect offers the capacity to...
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Taher Abbasi
[Ideas For Design] VCO Transforms Sound Card Into Precision DC-Coupled ADC
Personal-computer sound cards are sometimes used for analog audio signal acquisition. Also, the Web features many free programs that implement virtual two-channel oscilloscopes by acquiring signals through the sound card. However, sound cards suffer...
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Michael Norris
, et al.
[Ideas For Design] Simple Circuit Measures V-I Phase Displacement
This circuit provides different ways to measure the current-voltage phase displacement of a line-powered ac load. The classic approach for sensing an ac load's current requires a transformer or sensing resistor. The transformer may be expensive,...
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Fulvio Pompili
[Ideas For Design] High-Voltage Monitor Features High Accuracy
Many applications call for measuring ac lines or high dc voltages. One common technique uses a large voltage divider followed by a buffer. Another employs an inverting attenuator. The problems associated with both methods stem from uneven power...
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Moshe Gerstenhaber
, et al.
[Pease Porridge] Bob's Mailbox
Hi Bob: Many years ago, I read about a subject called "Floobydust" in a National Semiconductor book. I've been searching around and asking people, but I haven't found any good answers. What does it mean and where does it come...
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Bob Pease
[Viewpoint] Clearing The Fog That Surrounds Derating Curves
A marketing guru once said: "A data sheet isn't only a technical document, but also a marketing tool." Following this mentality, dc-dc converter manufacturers creatively market their products. In the world of high-density dc-dc converters, especially...
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Anastasios Simopolous
[Celebrating 50 Years] Flashback
Flashback > 10 Years Ago AUGUST 20, 1992 Despite a sluggish U.S. computer market, companies in some market segments are thriving—those, for example, that wire buildings for local-area networks...
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Staff
[Forefront] System Provides Precise Frequency, Time For T&M
The XLi time and frequency system functions as a very high-precision time and frequency source for test and measurement applications. As a GPS timing receiver, the XLi can track up to 12 GPS satellites, providing 1 ×...
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Lisa Fakhry
[Forefront] Design Tool Gains Component Library
Simulated designs of automobile dashboards and handheld de-vices gets easier with Altia Design 5.0, which now includes a graphical user interface (GUI) component library. Also among the many new features is an enhanced object browser that handles...
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William Wong
