Ferrite bead effect on Class-D amplifier audio quality

Conference object English OPEN
Haddad , Kevin El; Mrad , Roberto; Morel , Florent; Pillonnet , Gael; Vollaire , Christian; Nagari , Angelo;
(2014)
  • Publisher: HAL CCSD
  • Related identifiers: doi: 10.1109/MELCON.2014.6820510
  • Subject: [ SPI.NANO ] Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics | Ferrite bead | [SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing | [ SPI.ACOU ] Engineering Sciences [physics]/Acoustics [physics.class-ph] | [SPI]Engineering Sciences [physics] | [SPI.NANO]Engineering Sciences [physics]/Micro and nanotechnologies/Microelectronics | [ SPI.SIGNAL ] Engineering Sciences [physics]/Signal and Image processing | Magnetic material | Audio fre-quency band | [SPI.ACOU]Engineering Sciences [physics]/Acoustics [physics.class-ph] | [SPI.ELEC]Engineering Sciences [physics]/Electromagnetism | [ SPI ] Engineering Sciences [physics] | Harmonics distortion | [ SPI.ELEC ] Engineering Sciences [physics]/Electromagnetism

International audience; This paper studies the effect of ferrite beads on the audio quality of Class-D audio amplifiers. This latter is a switch-ing circuit which creates high frequency harmonics. Generally, a filter is used at the amplifier output for the sake of elect... View more
  • References (12)
    12 references, page 1 of 2

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    [10] G. R. Skutt, “High-frequency dimensional effects in ferrite core magnetic devices,” 1996, virginia Polytechnic Institute and State University.

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