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Zippertubing (Japan),Ltd.取り扱いEMC製品GLOSSARY


Micro Wave

Microwaves are electromagnetic waves with wavelengths ranging from as long as one meter to as short as one millimeter, or equivalently, with frequencies between 300 MHz and 300 GHz. This broad definition includes both UHF and EHF bands, as well as the entire SHF band (3 to 30 GHz, or 10 to 1 cm). Waves in this frequency range are widely used in cellular and satellite communications because of their ability to penetrate the ionosphere, and their resistance to atmospheric attenuation due to rain, fog, snow etc..

MIL (Military Standards)

Standards developed for the United States armed forces. Standards concerning EMC are in the MIL-STD 460 series. Related to these military standards, there are also Department of Defense (DOD) Standards and National Security Agency (NSA) Standards.

Multi-point Grounding Method

As opposed to a single point ground for low-frequency systems, it is usually the grounding of choice for high frequencies, and used to minimize the voltage drop between the systems and from the systems to the ground.

Open Test Site

Open Area Test Site (OATS) An outdoor test facility location, free of reflecting objects except a ground plane (normally laid with chicken wire), where radiated emission tests for electronic devices may be carried out.

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