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| | | 1: Slimkit 10 | | |
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| | | EMC "Electromagnetic comptability is the ability of a system to operate in the intended environment without causing or suffering unacceptable degradation of performance due to unintentinal electromagnetic radiation or response." The EMC characterstics of a system therefore consist of an appropriate immunity from interference (noise immunity) and a limited emission of interference (noise emission). Elma's EMC concept describes three levels of electromagnetic shielding performance (Performance Level). The attenuation levels will simplify the selection of sub racks for the user. Test setup: The first measurement E1 is without the enclosure. The next measurement E2 is made with the transmitting antenna installed inside the enclosure. The difference between the received signal without and with the enclosure represents the shielding effectiveness in dB. | | |
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| | | | | | | | | | | | Performance Level | 30 - 230 MHz | 230 - 1000 MHz | 1000 - 2000 MHz | | | | 1 / Elma: Basic level | 20 dB | 10 dB | 0 dB | | | | 2 / Elma: Advanced level | 40 dB | 30 dB | 20 dB | | | | 3 / Elma: Superior level | 60 dB | 50 dB | 40 dB | | | | | | | | | | | |
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| | | The standard configuration will provide you with an advanced EMC level (Basic level with perforation). | | |
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| | | The integrated EMC solution | | |
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| | | EMC contacts • Top cover to rear panel | | |
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| | | EMC contacts • Bottom tray to rear panel • Bottom tray to front panel • Top cover to front panel | | |
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| | | EMC contacts • Top cover to bottom | | |
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| | | www.elma.com | | Elmaset | | A | 1_3 | | |
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