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Electronic Design Update: The design engineer's weekly source for reports, commentaries, and new products.
In the February 1, 2012 Issue:
 What's The Difference Between 3G And 4G Cellular Systems?
 What's The Difference Between IPv4 And IPv6?
 10 Coolest Smart Phones From CES
 Bring Back The RS-232 Serial Port
 Testing Coherent DP-QPSK Optical Transceivers
 Probes And Software Make Test Gear More Capable
 Cables Connect Test Equipment
 We Want Your IFDs!

What's The Difference?

What's The Difference Between 3G And 4G Cellular Systems?

 Louis E. Frenzel, Communications Editor

While carriers and manufacturers may promote their phones and services as 4G, the truth is that today’s technologies are still in 3G—maybe 3.9G. Driven by LTE-A, 4G will involve a bigger leap to 1-Gbit/s data rates.

READ THE FULL ARTICLE

What's The Difference Between IPv4 And IPv6?

 William Wong, Embedded/Systems/Software Editor

IPv4 is running out of steam, and companies are finally starting to switch to IPv6. So what’s the difference between the two, and why should you be using IPv6?

READ THE FULL ARTICLE

From Mobile Dev & Design

10 Coolest Smart Phones From CES

 Jackie Cross, Associate Editor

Despite Apple’s absence at the 2012 International CES, its presence was still felt by many companies competing with the iPhone 4, iPhone 4S, and rumored upcoming iPhone 5. If you’re thinking about jumping off the Apple bandwagon, one of these new phones might be a good fit.

READ THE FULL ARTICLE

Communique

Bring Back The RS-232 Serial Port

 Louis E. Frenzel, Communications Editor

Is RS-232 really dead? Yes and no. USB, which is superior, has replaced it for PC peripherals. But when you need pure reliability and ruggedness, you can’t beat a basic serial COM port for connecting one thing to another, especially if speed isn’t an issue.

READ THE FULL ARTICLE

Design Solution

Testing Coherent DP-QPSK Optical Transceivers

 Chris Loberg and Daniel van der Weide, Tektronix

The move is underway to coherent optical fiber for long-haul dense wavelength division multiplexing (DWDM). Here's what you need to know to test and optimize these optical networks.

READ THE FULL ARTICLE

Technology Report

Probes And Software Make Test Gear More Capable

 David Maliniak, EDA/Test Editor

It’s not just the instruments on your bench that make for good measurements, but also what you surround them with in terms of accessories.

READ THE FULL ARTICLE

From Microwaves & RF

Cables Connect Test Equipment

 Jack Browne, Technical Contributor

Cables and connectors are often taken for granted in a communications system, radar, or test system—that is, until they fail to perform. Fortunately, the RF/microwave industry boasts a long list of high-quality suppliers of coaxial cables, connectors, and cable assemblies in a variety of diameters and materials.

READ THE FULL ARTICLE

Ideas For Design

We Want Your IFDs!

 ED News Staff

Do you have a simple and practical solution to a common design problem? We want to hear about it! And so do our readers, making our Ideas for Design one of the most popular departments in Electronic Design. Submit your idea, and you may see it in an upcoming issue. Contributors receive $150. For details, check out our submission guidelines.

READ THE FULL ARTICLE

Video

Prius c Lowers Price Of Entry Into Toyota Hyrbid Vehicles

At a starting MSRP below $19,000, Toyota’s Prius c provides an affordable gateway into hybrid vehicle ownership. Toyota's David Lee discusses what technology the company used to bring the price point down yet maintain the efficiency of its proven Hybrid Synergy Drive system.

Mercedes B-Class E-CELL PLUS Electric Vehicle With Range Extender

Herbert Kohler of Daimler discusses the powertrain in the Mercedes B-Class E-CELL PLUS, which features a Range Extender to enable journeys of up to 600 km.

HOTSPOTS Analog  •   Power  •   Embedded
This issue brought
to you by:
• Texas Instruments

• Agilent Technologies

• Micro Power


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