Cover Story
Frequency Loss Effect of Conductor Profile on the Insertion Loss, Phase Constant and Dispersion in Thin High Frequency Transmission Lines
Increasing conductor roughness alone increases the effective Dk in thin circuitry by up to 15%, while substantially increasing dispersion.
Allen F. Horn III, Ph.D., John W. Reynolds, Patricia A. LaFrance and James C. Rautio, Ph.D.
RF Design
Choosing an RF Design Environment Flow
You can’t build a house without blueprints. So why do so many RF design flows try to build a board without a schematic?
by Abby Monaco
Cautious Optimism in China
Exhibitors were cautious rather than shell-shocked, and even with a wobbly recovery underway, they have seen a marked increase in business.
by Matthew Holzmann
Memory Interface Speed Solutions
Higher performance requirements reduce timing margins on interfaces, thus imposing strict rules on board routing.
by Hal Katircioglu
New Year, New Outlook
An uptick in attendance on the floor overshadowed a lack of innovations in the booths.
By Mike Buetow and Chelsey Drysdale
First Person
EMS hot for LED.
Mike Buetow
Sayonara, electronics engineering?
Pete Waddell
Money Matters
Printed electronics: process revolution?
Randall Sherman
ROI
Bad grades.
Peter Bigelow
Tech Talk
On the Forefront
Inside the iPad.
E. Jan Vardaman
Designer’s Notebook
It’s the data, stupid!
Michael Dreyer