Chapter 8 has identified several techniques which can be used to minimize the level of interference coupled into and out of a signal link. It is possible to glean a few simple guidelines that identify the basic concepts used in all these techniques, and these are listed in section 9.1. If implemented at the initial stage of a project, these guidelines should ensure that the EMC of the system can be achieved in a cost-effective way. This chapter discusses the design of the system that can be tailored to meet those EMC requirements.

Chapter Contents:

• 9.1 Design guidelines
• 9.1.1 Structure as a shield
• 9.1.2 Return conductors
• 9.1.3 Ground loops
• 9.1.4 Current balance
• 9.1.5 Differential-mode damping
• 9.1.6 Common-mode damping
• 9.1.7 System assessment
• 9.1.8 Bench tests
• 9.2 Relating the diagrams
• 9.2.1 Circuit diagrams
• 9.2.2 Wiring diagrams
• 9.2.3 Block diagrams
• 9.2.4 Interface diagrams
• 9.2.5 Circuit models
• 9.2.6 Deriving component values
• 9.2.7 Analyzing the signal link
• 9.2.8 Testing the link
• 9.3 Printed circuit boards
• 9.4 Susceptibility requirements
• 9.5 Emission requirements
• 9.6 Planning
• 9.6.1 Performance requirements
• 9.6.2 Bench test equipment
• 9.6.3 Software
• 9.6.4 Critical signal links
• 9.6.5 Critical frequencies
• 9.6.6 Characterization
• 9.6.7 General approach

Inspec keywords: electromagnetic compatibility; electromagnetic interference

Other keywords: EMC system design; signal link; interference level

Subjects: Electromagnetic compatibility and interference