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Electromagnetics Explained by Ron Schmitt

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15 FREQUENCY DEPENDENCE OF MATERIALS, THERMAL RADIATION, AND NOISE

This the final chapter covers some miscellaneous but interesting topics that relate to electromagnetics. An often overlooked aspect of electromagnetics is the fact that all materials possess varying electromagnetic properties in different regions of the electromagnetic spectrum. I also cover the basics of thermal radiation, which is the type of electromagnetic radiation responsible for radiative heat transfer, and thermal circuit noise. Both thermal radiation and thermal circuit noise are caused by the random motion of charged particles, most notably electrons, inside a material.

FREQUENCY DEPENDENCE OF MATERIALS

In electronics you spend your time with materials that have (approximately) ...

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