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Informationen zum Autor JUNQI ZHENG, National Radio Interference and Standardization Technical Committee; Shanghai Testing and Inspection Institute for Electrical Equipment, China. Klappentext A practical introduction to techniques for the design of electronic products from the Electromagnetic compatibility (EMC) perspective* Introduces techniques for the design of electronic products from the EMC aspects* Covers normalized EMC requirements and design principles to assure product compatibility* Describes the main topics for the control of electromagnetic interferences and recommends design improvements to meet international standards requirements (FCC, EU EMC directive, Radio acts, etc.)* Well organized in a logical sequence which starts from basic knowledge and continues through the various aspects required for compliance with EMC requirements* Includes practical examples and case studies to illustrate design features and troubleshooting* Author is the founder of the EMC design risk evaluation approach and this book presents many years' experience in teaching and researching the topic Zusammenfassung A practical introduction to techniques for the design of electronic products from the Electromagnetic compatibility (EMC) perspective* Introduces techniques for the design of electronic products from the EMC aspects* Covers normalized EMC requirements and design principles to assure product compatibility* Describes the main topics for the control of electromagnetic interferences and recommends design improvements to meet international standards requirements (FCC! EU EMC directive! Radio acts! etc.)* Well organized in a logical sequence which starts from basic knowledge and continues through the various aspects required for compliance with EMC requirements* Includes practical examples and case studies to illustrate design features and troubleshooting* Author is the founder of the EMC design risk evaluation approach and this book presents many years' experience in teaching and researching the topic Inhaltsverzeichnis Preface xi Exordium xv Introduction xix 1 The EMC Basic Knowledge and the Essence of the EMC Test 1 1.1 What Is EMC? 1 1.2 Conduction, Radiation, and Transient 2 1.3 Theoretical Basis 4 1.3.1 Time Domain and Frequency Domain 4 1.3.2 The Concept of the Unit for Electromagnetic Disturbance, dB 5 1.3.3 The True Meaning of Decibel 6 1.3.4 Electric Field, Magnetic Field, and Antennas 9 1.3.5 Resonance of the RLC Circuit 17 1.4 Common Mode and Differential Mode in the EMC Domain 21 1.5 Essence of the EMC Test 23 1.5.1 Essence of the Radiated Emission Test 23 1.5.2 Essence of the Conducted Emission Test 25 1.5.3 Essence of the ESD Immunity Test 29 1.5.4 Essence of the Radiated Immunity Test 30 1.5.5 Essence of the Common¿Mode Conducted Immunity Test 32 1.5.6 Essence of the Differential¿Mode Conducted Immunity Test 34 1.5.7 Differential¿Mode and Common¿Mode Hybrid Conducted Immunity Test 35 2 Architecture, Shielding, and Grounding Versus EMC of the Product 37 2.1 Introduction 37 2.1.1 Architecture Versus EMC of the Product 37 2.1.2 Shielding Versus EMC of the Product 38 2.1.3 Grounding Versus EMC of the Product 40 2.2 Analyses of Related Cases 41 2.2.1 Case 1: The Conducted Disturbance and the Grounding 41 2.2.2 Case 2: The Ground Loop During the Conducted Emission Test 46 2.2.3 Case 3: Where the Radiated Emission Outside the Shield Comes From 49 2.2.4 Case 4: The "Floating" Metal and the Radiation 52 2.2.5 Case 5: Radiated Emission Caused by the Bolt Extended Outside the Shield 55 2.2.6 Case 6: The Compression Amount of the Shield and Its Shielding Effectiveness 59 2.2.7 Case 7: The EMI Suppression Effectiveness o...
