The pre-compliance measurement of radiated emissions from printed circuit boards (PCBs) is here addressed. In particular an effective and low-cost measurement system is described for pre-compliance radiated emission tests in the range 2–8 GHz and under far field conditions. The goal is to propose an original test system through which estimating the effectiveness of electromagnetic compatibility (EMC) design solutions at PCB level. To this aim, a detailed description of the system is provided and an analisys of the system test repeatability given. In particular, a 0.5 dB repeatability level is assessed for devices under test having maximum dimension not larger than nearly 20 cm. Some practical case studies are finally presented, proving the effectiveness of the system after the adoption of some well-known EMC techniques at PCB level.
An effective and low-cost measurement system for EMC pre-compliance testing of radiated emissions in the range 2-8 GHz / Bertocco, M; Sona, A; Tramarin, F.. - (2010), pp. 52-57. (Intervento presentato al convegno EMC Europe 2010 tenutosi a Wroclaw, Poland nel 13 - 17 Sept. 2010).
An effective and low-cost measurement system for EMC pre-compliance testing of radiated emissions in the range 2-8 GHz
TRAMARIN F.
2010
Abstract
The pre-compliance measurement of radiated emissions from printed circuit boards (PCBs) is here addressed. In particular an effective and low-cost measurement system is described for pre-compliance radiated emission tests in the range 2–8 GHz and under far field conditions. The goal is to propose an original test system through which estimating the effectiveness of electromagnetic compatibility (EMC) design solutions at PCB level. To this aim, a detailed description of the system is provided and an analisys of the system test repeatability given. In particular, a 0.5 dB repeatability level is assessed for devices under test having maximum dimension not larger than nearly 20 cm. Some practical case studies are finally presented, proving the effectiveness of the system after the adoption of some well-known EMC techniques at PCB level.
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