An Active Power Supply Filter with Ultra Wide Bandwidth

dc.contributor.authorBooth, Brian
dc.date.accessioned2018-06-18T17:35:35Z
dc.date.available2018-06-18T17:35:35Z
dc.date.issued2016en_US
dc.description.abstractAn active transformerless common mode filter is designed for use with switching mode power supplies with a switching frequency greater than 1MHz. The filter utilizes an amplifier in a voltage sensing current adjusting architecture to cancel out common mode noise generated by the switching power supply. The filter is analyzed using a transfer function, simulation, and measurements. Several possible feedback configurations are examined and benefits of different configurations are explained. The active filter is shown to have superior performance to only passive components at frequencies up to 20MHz. Spectral domain, time domain, and S21 measurements are given to show the filter’s effectiveness.en_US
dc.identifier.urihttps://hdl.handle.net/10365/28281
dc.publisherNorth Dakota State Universityen_US
dc.rightsNDSU Policy 190.6.2
dc.rights.urihttps://www.ndsu.edu/fileadmin/policy/190.pdf
dc.titleAn Active Power Supply Filter with Ultra Wide Bandwidthen_US
dc.typeThesisen_US
ndsu.advisorBraaten, Benjamin Davis
ndsu.collegeEngineeringen_US
ndsu.degreeMaster of Science (MS)en_US
ndsu.departmentElectrical and Computer Engineeringen_US
ndsu.programElectrical and Computer Engineeringen_US

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