Optical Networking The all-optical network has been emerging as a solution to provide higher bandwidth, lower cost systems for handling high capacity network traffic. Due to the inherent limits of copper wire and the high cost-per-bit of electrical systems, service providers will replace electrical components with fiber optic counterparts wherever possible as the cost of the … [Read more...]
Power Density Challenges Of Next Generation Telecommunication Networks
Despite the current downturn in the telecommunications industry, data transfer (i.e. network traffic) is continuing to grow at a 100% rate [1]. It is already projected that network traffic demand will reach tens of Tb/s in a couple of years from now (see predicted traffic demands from telecommunications analysts Ryan, Hankin & Kent, Figure 1). At the same time, network … [Read more...]
Electronic Information Exchange
Electronic data exchange represents a very important link for integrating PCB electrical layout, analysis and mechanical design. It has become, in fact, the basis for enhanced economic and industrial growth. The Intermediate Data Format (IDF) is the most used file format for exchanging printed circuit assembly (PCA) data between electrical and mechanical CAD/CAE systems and for … [Read more...]
Numerical Modeling and Experimental Verification of High-density Servers
High-density hardware and software are developed as part of an initiative to greatly increase data center compute densities. Concept systems presented here are based on the Intel® Itanium™ processor family and are designed for a 1U rack-mount form factor. The current dual-processor system concept is targeted at the front-end server market (e.g., web hosting and mail routing), … [Read more...]
Thermal Design Challenges in Automotive Alternator Power Electronics
Ever since the advent of the automotive alternator, or claw-pole alternating current generator, in the 1960's, there has been an ever-increasing thermal design challenge to cool the power electronics in these machines. Figure 1 depicts a typical cutaway section of a modern day alternator. At first glance one may think that cooling the diodes in a rectifier bridge of an … [Read more...]
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