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Minimizing PiM generation from RF cables and connectors
May 24, 2012 // SanTron // 0 comments
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Understanding mechanical tolerances, coaxial design details and connector materials used in cable assemblies helps produce communications equipment with the lowest levels of passive intermodulation (PIM).
Communications system interference can come in many forms, but one of the most difficult to defeat is passive intermodulation (PiM) distortion. Unlike noise, which tends
to cover broad bandwidths and is easily filtered, PiM results in discrete signals that fall within the operating bandwidth of a wireless communications receiver, capable of blocking desired signals. at sufficiently high magnitudes, PiM distortion can desensitize a communications receiver, resulting in poor quality of calls in a cellular system or even dropped calls.
Reliable communications system performance depends on minimizing PiM and choosing the right cable assemblies can go a long way towards helping to shave PiM distortion.
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The SoCKIT evaluation kit is Arrow's latest development tool, featuring an Altera Cyclone V SoC with a dual-core ARM Cortex-A9 MPCore processor integrated within its 28nm FPGA fabric.
Altera SoCs allow embedded system developers to differentiate their end product with customized hardware and software, and extend the product lifecycle through hardware and software updates in the field. This month, Arrow Electronics is giving away five SoCKIT evaluation kits featuring Altera’s ARM-Based SoCs, worth €249 each, together with the free entrance to one of Arrow’s SoC workshops organized throughout Europe.
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In our previous reader offer, Freescale Semiconductor was giving away five IMX6Q, Sabre-lite kits, worth £128.06 each.
Lucky winners include Mr. X. Salada Sole from the UK, Mrs A. Peric from Germany, Mr Z. Janosy from Hungary, Mr D. Gacina from Croatia and Mr B. Boris from France. All should be receiving their packages soon. Let's wish them some interesting findings with their projects.
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