Materials Make the Difference in Low-PIM PCB Antennas (.PDF Download)

Antennas are the beginning and end components of many communications systems, and the performance of modern wireless communications networks depends on these antennas achieving low passive-intermodulation (PIM) levels. PIM is a complex phenomenon that results in the generation of spurious energy. It is not caused by circuit materials, but results from the design and mechanical structure of high-frequency circuits, from circuit-assembly practices, and/or from system-level effects...

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