Pasternack Blog

In last week’s post, we covered foundational details regarding PIM in modern wide-band and multi-carrier communication systems, with a note on upcoming 5G NR sub-6 GHz frequencies being added to the mix. This week’s blog expands upon that discussion and provides more details of PIM considerations specific to DAS. With DAS, another large PIM concern ..

Passive intermodulation distortion is the result of discontinuities, metal-to-metal contact, and material properties that lead to nonlinear characteristics of typically linear passive transmission lines and components. PIM can be induced in a variety of RF components, such as connectors, adapters, cable, combiners, splitters, couplers, tappers, attenuators, terminators, antennas, and cable-to-board interconnect. PIM is generated when ..

Last week’s post covered why low PIM components, other than coaxial cables and assemblies, can be important to consider for low PIM applications. This blog focuses on low PIM Directional Couplers, Loads, Attenuators, Adapters, and Antennas, and provides brief descriptions of their use cases and value. Low PIM Directional Couplers Unlike tappers, splitters, and dividers, ..

Passive intermodulation distortion (PIM) is phenomenon that degrades communication system performance in virtually all DAS and cellular installations. The severity of PIM, and the measures necessary to mitigate PIM depend on the system design, materials, environment, transmit power, and the systems sensitivity to PIM. Single frequency and narrow band communications technologies tend to be less ..