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IEEE 299 1998

$58.50

IEEE Standard Method for Measuring the Effectiveness of Electromagnetic Shielding Enclosures

Published By Publication Date Number of Pages
IEEE 1998 45
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Revision Standard – Inactive – Superseded. Superseded by IEEE Std 299-2006 Uniform measurement procedures and techniques are provided for determining the ef- fectiveness of electromagnetic shielding enclosures at frequencies from 9 kHz to 18 GHz (extendable to 50 Hz and 100 GHz, respectively) for enclosures having no dimension less than 2.0 m. The types of enclosures covered include, but are not limited to, single-shield or double-shield structures of various construction, such as bolted demountable, welded, or integral with a building; and made of materials such as steel plate, copper or aluminum sheet, screening, hardware cloth, metal foil, or shielding fabrics.

PDF Catalog

PDF Pages PDF Title
1 Title page
3 Introduction
Participants
5 CONTENTS
7 1. Overview
1.1 Scope
1.2 Purpose
1.3 Application
8 2. References
3. Definitions
3.1 General terminology
3.2 Technical terminology
9 4. Preliminary procedures
4.1 Background
4.2 Test plan
4.3 Calibration
4.4 Reference level and dynamic range (DR)
10 4.5 Preliminary shield check procedures
5. Detailed procedures
5.1 Background
11 5.2 Recommended standard measurement frequencies
12 5.3 Pass/fail requirements
5.4 Shielding effectiveness calculation
5.5 Preparation procedures
5.6 Low-frequency measurements (9 kHz to 20 MHz)
16 5.7 Resonant range measurements (20 MHz to 300 MHz)
23 5.8 High-frequency measurements (300 MHz to 18 GHz)
29 6. Quality assurance technical report
6.1 Status letter
6.2 Full test report
31 Annex A—Rationale
36 Annex B—Mathematical formulas
39 Annex C—Miscellaneous supporting information
42 Annex D—Guidelines for the selection of measurement techniques
44 Annex E—Preliminary measurements and repairs
IEEE 299 1998
$58.50