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Understanding PIM in Low Power Devices by Antonio George is a document available to read on EtoBox.
What is Understanding PIM in Low Power Devices about?
1) Passive intermodulation (PIM) occurs when signals in a transmitter (downlink) band generate interference in a receiver (uplink) band. As wireless systems have evolved, acceptable PIM levels have decreased from -140dBc to -153dBc to -161dBc. 2) Specifying PIM in dBc is inconsistent for low power devices that cannot be tested at standard power levels like 2x20W. To standardize PIM measurements, it should be specified in absolute power level dBm rather than relative to carrier power dBc. 3) Empirical t
- Author
- Antonio George
- Language
- EN