Explains the need for decoupling of in-car audio equipment to suppress interference introduced via the supply wires. The theory of capacitive decoupling is developed and the efficacy of inductive chokes and of pi-section filters is compared. The behaviour of the decoupling capacitor and its leads is analysed from its equivalent RLC circuit, and it is shown that the resonance of a typical 50 nF paper-dielectric capacitor renders it quite ineffective above 5 MHz. The frequency response of the impedance of a coaxial electrolytic capacitor is plotted, and experimental responses of classical and wideband types are compared. The solution proposed is a high-permeability magnetic material placed around the supply leads, which then behave as low inductances without distributed capacitance.


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    Titel :

    The applications of Musorb: wideband filtering components


    Weitere Titelangaben:

    Die Anwendungsmoeglichkeiten von Musorb: Breitband-Filterkomponenten
    Titel franzoesisch


    Beteiligte:
    Houze, R.C. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1982


    Format / Umfang :

    6 Seiten


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Französisch




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