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Foundations of Electromagnetic Compatibility with Practical Applications by Bogdan Adamczyk

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Appendix AEMC Tests and Measurements

This appendix presents a description of the basic setups for radiated and conducted emissions, radiated and conducted immunity, and electrostatic discharge (ESD). A representative sample of commercial EMC regulations is used to explain the basics of EMC measurements. Pictures of the typical test setups, equipment, and facilities are presented. Each test is supported by the examples of the real test data, many of them illustrating the “pass” and “fail” results.

This presentation is not intended to review all existing EMC regulations or to discuss the details of each test procedure and the required documentation. The intent is simply to discuss each test and the equipment required to perform it, to the extent needed to gain a basic understanding of and to interpret the test results.

A.1 Introduction – FCC Part 15 and CISPR 22 Standards

EMC standards and regulations have been imposed by various government regulatory bodies and various industries to control allowable emissions from electronic products. In the USA, the Federal Communications Commission (FCC) regulates the use of radio and wire communications. Part 15 of the FCC Rules and Regulations sets forth technical standards and operational requirements for RF devices.

The most widely outside the USA is CISPR 22, which sets limits on the radiated and conducted emissions of information technology equipment, which basically includes all digital devices in the similar meaning as for the FCC (CISPR – ...

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