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High-Frequency Circuit Materials Can Enhance Non-High-Frequency Applications
May 16, 2013 |Estimated reading time: Less than a minute
Circuit materials are available in many varieties, each with unique qualities, benefits, and shortcomings. Flexible circuit materials, for example, offer key properties that are unlike those of rigid circuit board materials. The materials are typically selected for applications based on those properties, even though it can sometimes be advantageous to consider a circuit material associated with one set of applications, for an application where it might not normally be used. For example, high-frequency circuit materials are normally used for radio frequency (RF) circuits, such as wireless communications products, but they can also benefit a great number of lower frequency circuits, such as control and monitoring applications.7 W/m/K, or better than twice the thermal conductivity of FR-4. For this application example, the choice of a ceramic-filled, high-frequency circuit material can ensure greatly enhanced heat flow performance for the high-power divider module.
This article originally appeared in the April 2013 issue of The PCB Magazine.