Reduction of EMI Due to Common-Mode Currents Using a Surface-Mount EBG-Based Filter

Liu, Qian; Connor, Samuel; Olivieri, Carlo; Paulis, Francesco de; Orlandi, Antonio; Cracraft, Michael; Archambeault, Bruce

doi:10.1109/temc.2016.2580701

Cited by 28 publications

(9 citation statements)

References 19 publications

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“…Electromagnetic band-gap (EBG) [9]- [18] is another common CMF structure which can be used in multilayer structure. In [9] and [10], EBG filters are introduced to reduce the common-mode noises of differential striplines. Traditional EBG structure of mushroom and planar EBG are implemented for the suppression of common-mode noise of differential signals in [12] and [13], respectively.…”

Section: Introductionmentioning

confidence: 99%

A Common-Mode Noise Suppression Filter for Gigahertz Differential Signals Based on Substrate Integrated Waveguide Resonators

Yang

Chen

2020

IEEE Access

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A common-mode noise suppression filter for microstrip differential lines based on substrate integrated waveguide resonator (SIWR) is proposed in this paper. The proposed common-mode filter (CMF) consists of cascaded SIWR units with different size. The equivalent characteristic impedance circuit model of the proposed CMF is given to predict the common-mode suppression characteristics by introducing the spectral domain approach (SDA). Simulated results show that the common-mode noise is decreased more than 35 dB from 4.5 GHz to 11.4 GHz, and-30 dB rejection band is obtained in the frequency band of 4.3-15 GHz. Moreover, the insertion loss and the group delay in the frequency domain show that there is little degradation for differential signals. In the time domain, 86.5% amplitude suppression of common-mode noise is achieved. In addition, the eye diagrams in the time domain are investigated to explain the effectiveness of the proposed CMF and indicate that the CMF can maintain the differential signal integrity. The prototype is fabricated to verify the validity of the proposed structure, and the measurement results show good agreement with the simulation results. INDEX TERMS Common-mode filter (CMF), high-speed differential signals, spectral domain approach (SDA), substrate integrated waveguide resonator (SIWR), signal integrity.

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Section: Introductionmentioning

confidence: 99%

A Common-Mode Noise Suppression Filter for Gigahertz Differential Signals Based on Substrate Integrated Waveguide Resonators

Yang

Chen

2020

IEEE Access

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“…The switching operation generates high du/dt and di/dt that can cause both conducted and radiated EMI [1]- [4] . For these reasons and in order to comply the limits imposed by the Electromagnetic Compatibility (EMC) standards, EMI reduction techniques have to be adopted; these are passive/active filters, shielding, optimization of layout, random switching techniques [5]- [10] . The use of filters, shielding and techniques of layout optimization have some drawbacks in terms of weight, volume and cost.…”

Section: Introductionmentioning

confidence: 99%

EMI Reduction in Low Input Ripple DC-DC Converter using Chaos PWM technique

Ragusa¹,

Marsala²

2018

JERA

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This paper presents a chaotic PWM switching technique for a high boost DC-DC converter with a very low ripple at the input current. The use of a choatic PWM allows a reduction of Electromagnetic In (EMI) at the output of power converters by spreading the energy spectrum of the output voltage. In this paper a chaotic PWM, using the Chua oscillator, has been implemented in Matlab for the converter under study and a comparison with a traditional PWM control has been done. A detailed description of the generation of the chaotic carrier is presented and the effect on the output EMI mitigation has been shown.

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“…So, it can be used in microwave communication system such as microwave antenna to improve the gain, broaden bandwidth, reduce mutual coupling, and so on. EBG can also be used as filters and the tapering techniques can be employed to improve performance in the low pass‐band of the filter.…”

Section: Introductionmentioning

confidence: 99%

“…4 Multiband design introduces slots, 5,6 stub, 7 and metamaterials. 8 But most of them are poor in efficiency and also their size reduction is limited to $k 0 /8. A different approach using substrate integrated waveguide (SIW) technology was explored very recently in Ref.…”

Section: Introductionmentioning

confidence: 99%

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Wide stopband miniaturized “I”‐typed EBG with DGS

Rong

Wang

Chen

et al. 2017

Micro & Optical Tech Letters

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An electromagnetic band‐gap (EBG) structure which combines a tapered surface structure and a tapered defected ground structure is proposed in this article. “I”‐typed EBG units with different size and center distance are etched on the microstrip line on the upper layer of the substrate. Without sacrificing the bandwidth, a feasible method is proposed to implement miniaturization by reducing the second half of the tapered EBG, which is concluded by analyzing the relations between the working frequency and tapered periodic structure. By using HFSS simulation tool, the proposed structure possesses a wide stop‐band of 23.72 GHz (1.88–29.20 GHz). Particularly, the actual size characteristic is only about 40 × 20 × 0.6 mm3. Meanwhile, the proposed structure is fabricated and measured. And the experimental results basically agree well with the simulated results, which indicate that the proposed EBG is promising for designing high performance band‐stop filters and associated antennas with width bandwidth and small size.

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Reduction of EMI Due to Common-Mode Currents Using a Surface-Mount EBG-Based Filter

Cited by 28 publications

References 19 publications

A Common-Mode Noise Suppression Filter for Gigahertz Differential Signals Based on Substrate Integrated Waveguide Resonators

A Common-Mode Noise Suppression Filter for Gigahertz Differential Signals Based on Substrate Integrated Waveguide Resonators

EMI Reduction in Low Input Ripple DC-DC Converter using Chaos PWM technique

Wide stopband miniaturized “I”‐typed EBG with DGS

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