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EMC for Product Designers, 4th Edition by Tim Williams

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Chapter 12 Digital and analogue circuit design

Circuit design is an essential contributor to EMC. In this area we can distinguish the techniques used to control radio frequency emissions from an operating circuit, and those used to control radio frequency and transient immunity of an operating circuit. There are some common points between these two, but there are also some differences which mean that to completely address the compatibility of a product you need to deal with both. Low frequency (mains supply) EMC is also a function of circuit design, principally of the power supply, but does not suffer from the mystery surrounding RF effects and is not considered in this chapter.

12.1 Design for emissions control

Digital circuits are prolific ...

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