Presentation 1997/7/17
Wide frequency range noise fillter
Tsuruo SHIMAYAMA,
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Abstract(in Japanese) (See Japanese page)
Abstract(in English) Almost all the noise filters used in city, are composite of L and C. Then their impedances are reactive and phase angles are near 90°. If the filter connect to power supply line, there are series resonant frequencies between them, and then the noise currents of that frequencies will be through out the filter. Other case, as the lines impedance have many parallel resonance circuits, when pulse current flow in them, dampued oscillation namely disturbance noises will be occurred. The proposed filter is modified bridged T circuit and its impedance is resistive and phase angles are within 45° for wide frequency range. Then they are no series resonance and no dampued oscillation.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) constant impedance filter / phase angle / common mode noise filter
Paper # EMCJ97-24
Date of Issue

Conference Information
Committee EMCJ
Conference Date 1997/7/17(1days)
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Paper Information
Registration To Electromagnetic Compatibility (EMCJ)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Wide frequency range noise fillter
Sub Title (in English)
Keyword(1) constant impedance filter
Keyword(2) phase angle
Keyword(3) common mode noise filter
1st Author's Name Tsuruo SHIMAYAMA
1st Author's Affiliation ()
Date 1997/7/17
Paper # EMCJ97-24
Volume (vol) vol.97
Number (no) 172
Page pp.pp.-
#Pages 6
Date of Issue