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A Common Mode and Differential Mode Integrated EMI Filter and Planar Research

Author: LiuNan
Tutor: YangYuGang
School: Liaoning Technical University
Course: Power Electronics and Power Drives
Keywords: EMI filter
CLC: TN713
Type: Master's thesis
Year: 2006
Downloads: 256
Quote: 2
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Abstract


Due to the discrete EMI filter with high frequency parasitic parameters, serious impact on the filter performance, so this paper puts forward a new type of difference, common mode integrated EMI filter. Through the oscilloscope observation that the new filter has the very high attenuation characteristics. At the same time, in view of the present electronic equipment "short, small, light, thin" development trends of EMI filter establish planar integrated structure. Due to the defects of the traditional transmission line theory, this paper also puts forward a new theory, which is generalized transmission line structure, on the basis of the theory of differential mode filter and difference, common mode integrated EMI filter build plane electromagnetic model. In order to meet the design parameters of the scope and get high attenuation, the more L - C unit connection and conductor L - C unit, and the structure of the software to design the simulation result.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Basic electronic circuits > Filtering techniques,the filter
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