Device Packaging 2019

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Tear Down and Evaluation of a Wireless Home Router
Keywords: Teardown, Router, Design
In recent years the demand for faster internet speeds has been steadily increasing. As consumers rely more on the internet for shopping, streaming videos, gaming, personal communications, business, etc. the technology used to support these applications must advance to keep in step with demand. The market dictates that devices of this nature be small, silent and aesthetically pleasing. In many instances, these factors present limitations in designing a thermal solution. This presentation features a “tear down” and evaluation of a high end home router. Illustrations of system components and architecture are presented and obstacles to designing a thermal solution are discussed. The evaluation includes IR scans to determine hot spots and thermal test data to determine component temperatures under stressed loading conditions. A thermal model, which has been calibrated to match the IR scans and test data, is used to evaluate variations on the design and offer observations on how the thermal solution could be further optimized to accommodate higher power components in the future.
Justin Dixon, Consulting Thermal Engineer
Electronic Cooling Solutions, Inc.
santa clara, ca
USA


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