Swept Frequency Method for EMI Filter Insertion Loss Measurements

1981 ◽  
Author(s):  
Bernard Cooperstein
Keyword(s):  
Insertion Loss ◽  
Frequency Method ◽  
Filter Insertion ◽  
Emi Filter

Method for Evaluating Insertion Loss of EMI Filter Connected to Semiconductor Power Converters

2012 ◽  
Vol 132 (7) ◽  
pp. 727-735 ◽  
Author(s):  
Michio Tamate ◽  
Tamiko Sasaki ◽  
Akio Toba ◽  
Yasushi Matsumoto ◽  
Keiji Wada ◽  
...  
Keyword(s):  
Insertion Loss ◽  
Power Converters ◽  
Emi Filter

New Dimensions in Measuring Filter Insertion Loss

1968 ◽  
Vol EMC-10 (2) ◽  
pp. 256-256 ◽  
Author(s):  
J. Fischer ◽  
Robert Cowdell
Keyword(s):  
Insertion Loss ◽  
Filter Insertion

scholarly journals Specifying Power Filter Insertion Loss Values in Terms of Electromagnetic Safety of IT Equipment

Electronics ◽  
2021 ◽  
Vol 10 (16) ◽  
pp. 2041
Author(s):  
Leszek Nowosielski ◽  
Bartosz Dudziński ◽  
Rafał Przesmycki ◽  
Marek Bugaj
Keyword(s):  
Insertion Loss ◽  
Noise Level ◽  
Information Leakage ◽  
Environmental Noise ◽  
Analytical Relation ◽  
Power Filter ◽  
Conducted Emission ◽  
System Input ◽  
Filter Insertion

At present, one of the main methods of minimizing risk resulting from electromagnetic information leakage is to attenuate the undesired levels of radiated and conducted disturbances generated by IT equipment, as these disturbances can carry information processed by said equipment. Attenuation of conducted compromising emissions is most commonly handled with filters with a sufficiently high insertion loss. This article defines an original analytical relation specifying insertion loss value requirements for mains filters and estimates values of parameters included in the defined relation. Furthermore, this defined relation was used to define requirements for insertion loss provided by the mains filters, above which the ratio value of potentially compromising conducted emission levels to the environmental noise level at the infiltrating system input S/N < 0 dB. As a consequence, electromagnetic infiltration is significantly impeded.

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