IEEE 299 1998
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IEEE Standard Method for Measuring the Effectiveness of Electromagnetic Shielding Enclosures
Published By | Publication Date | Number of Pages |
IEEE | 1998 | 45 |
Revision Standard – Inactive – Superseded. Superseded by IEEE Std 299-2006 Uniform measurement procedures and techniques are provided for determining the ef- fectiveness of electromagnetic shielding enclosures at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 |