Dear Electronics Marketer,

I had the chance to view our new DVD this weekend, 30 years of Power Electronics Technology. Spanning three decades, though four name changes of my favorite magazine was extremely interesting.

When we prepared our 30th Anniversary issue in 2005, I never anticipated where this journey would lead. Our search for back issues led us to the founder of Power Electronics Technology, Myron Miller (no relation). It was that connection that began our project to compile 30 years of Power Electronics Technology which eventually became a DVD. We launched this DVD last month at the APEC show and Myron came down in person for the kick off. The DVD has been a huge success and when I finally met Myron face-to-face, I felt a real personal connection to him and the lineage of Power Electronics Technology.

Though many of the early issues reflect a very different time in our history, it is obvious that Power Electronics Technology as we know it today has been constructed from the work of many talented editors.

Change and adaptation are essential qualities of a magazine and Power Electronics Technology has certainly stood the the test of time. Our recent merger with Penton Media is proof of this. Whatever changes have occurred through the years, it is the core principles and values of the magazine that stretch back to the Myron Miller days that guide us today. Under the current editorial leadership of Ashok Bindra and David Morrison, Power Electronics Technology is stronger than ever. Though David and Ashok are both degreed engineers whose experience in the field offers peer-to-peer credibility, it is their extensive preparation and unwavering passion that consistently turn out issues that are read, reread and remain relevant for decades.

Take a look at the lineup in May. From Power Semiconductors, Passive Components, Sensors, Power Management and Power Systems, this is sure to be a compelling issue. Your ads aligned with this editorial are relationship builders that bring you closer to the customer at the point of need.

Of special note online is our supplement on Lighting. When a sector becomes extremely important, we don't always have the room to cover it within our five feature articles and give it the attention it deserves. Last month, we published a supplement on Power over the Ethernet (www.powerelectronics.com) and this month we have one on Lighting. Light source such as light emitting diodes (Leds) and fluorescent lamps present unique power design challenges that vary widely with the many applications in which they are used. In this special online supplement a series of features will address design techniques and solutions for powering Exclusive sponsorships of this supplement are available.

By the way - you are invited to help us celebrate the launch of our DVD. All full page advertisers in May (including the supplement) will get a complimentary copy of the DVD, so give me a call to request your copy!

Best Regards,

Judy Miller
Associate Publisher
212-204-4246

Power Management
Modeling for Peak, Valley and Emulated Current Mode Control—Part I
When it comes to the whys and wherefores of current mode control, nine out of ten experts do not agree. For fixed frequency operation, the majority of theory and modeling has focused on the classic peak current mode method with a fixed slope compensating ramp. Some theory has been developed for average current mode control, but little exists for other methods. While the classic peak current mode theory can be used for design analysis, it doesn't explain all aspects of current-mode operation. In this two-part feature, the author presents a fresh approach to modeling current-mode control, which provides the solution for any peak or valley derived architecture, including the emulated method.

Power Systems
Is PFC Justified in the Home
Some products currently being marketed to consumers claim to reduce monthly energy bills by performing power factor correction. In this feature, the author evaluates such claims by analyzing the impact of power factor correction on energy consumption for various types of appliance loads in the home.

Sensors/Transducers
Best Practice to Measuring Temperature
Many designers know what temperature accuracy they want with a temperature sensor and have a fair idea of the temperature range they want to measure but very few know how to design a circuit to get the best out of their temperature sensor. Even less know what package to use. In this article, the author depicts what layout designs to use for particular applications, how to read the package information in a data sheet and even more importantly, how to interpret this information. The author article also explains the basic theory behind heat transfer and how it applies to a designer getting the best out of his or her temperature measurement design.

Website Exclusive
Special Section on Lighting Power Management:
Light sources such as light emitting diodes (LEDs) and fluorescent lamps present unique power design challenges that vary widely with the many applications in which they are used. In this special online section, a series of features will address design techniques and solutions for powering LEDs or fluorescents in general lighting applications.

Imagine having 30 years of Power Electronics Technology magazine at your fingertips. Now you can in one DVD!
Presenting the first-ever, historical look back at the last thirty years in the power electronics industry. This ground breaking DVD is a searchable database of articles and issue covers dating back to the launch of our magazine in 1975, then called Solid-State Power Conversion. Designed as a research tool for electronics engineers, the DVD offers you the evolution of the industry at your fingertips! Call your sales rep for more info.

Sponsored by
National Semiconductor

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