PIM Requirements for Low Power Wireless Components and Subsystems

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  • Author: Murat Eron, Ph.D.

Passive intermodulation, PIM, continues to be a concern for high speed Wireless networks. A good understanding of how it impacts the network operation and how to detect and avoid it has been rapidly developing. This has reflected in PIM testing procedures and limits for high power RF components and subsystems. As these specifications were mostly geared towards high power, +40 W applications and components, there is a need to address the low power PIM requirements as such systems are playing a bigger role in new roll outs. We attempt to define here those reasonable limits.