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A review of emi problems in switch mode power supply design

A review of emi problems in switch mode power supply design,M. K. W. Wu,C. K. Tse

A review of emi problems in switch mode power supply design   (Citations: 9)
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Published in 1996.
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    • ...Minimizing conducted EMI noise to meet the standards often involves trial and error and is often considered an “art” [2]...
    • ...Wu and Tse [2], Fluke [15], and Whittington [91] have discussed the circuit design and layout techniques to address the issues related to EMI generation...
    • ...Wu and Tse [2] have suggested keeping the sensitive circuits, such as control circuits, to be placed far apart from the noise source such as power switches...
    • ...Wu and Tse [2], Fluke [15], and Whittington [91] have also discussed the grounding issues...
    • ...Thus, snubbers may be viewed as low-pass filters suppressing/reducing the high-frequency components, which occur during switching [2], [91]...

    Krishna Mainaliet al. Conducted EMI Mitigation Techniques for Switch-Mode Power Converters: ...

    • ...Also, electromagnetic noise is radiated, see also [4]-[8]...
    • ...Depending upon whether it affects the AC supply lines or flows in the ground, conducted EM1 can be further divided into differential mode (DM) and common mode (CM) emissions, see also [4]-[X]...

    Daniel E. Quevedoet al. Control of EMI from switch-mode power supplies via multi-step optimiza...

    • ...As a consequence, the formulation of effective solution approaches often relies on the engineer’s experience or extensive numerical simulations based on some empirical models [1]‐[4]...

    N. K. Poonet al. Essential-coupling-path models for non-contact EMI in switching power ...

    • ...Also, electromagnetic noise is radiated, [25-29]...

    Graham C. Goodwinet al. Finite Alphabet Control and Estimation

    • ...The EMI is caused by the pulsating currents and rapidly changing voltages with high-frequency ringing inside a power supply, which by themselves or via the circuits parasitic capacitors as in differential-mode (DM) or common-mode (CM) currents may escape the equipment, and cause EMI compliance problems [1,2,3]...
    • ...[2]. The repetition of these efforts may be questionable e.g...

    M. Rahkalaet al. Effects of switching frequency modulation on EMI performance of a conv...

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