Plug-in Coil

Burndept Ltd. London

Daten
Forum
Bilder
Sammlungen

  • Jahr
  • 1923 ?
  • Kategorie
  • Radio-Bauteil (Einzelteil, keine Baugruppe)
  • Radiomuseum.org ID
  • 80035

 Technische Daten

  • Betriebsart / Volt
  • Keine Stromversorgung
  • Lautsprecher
  • - - Kein Ausgang für Schallwiedergabe.
  • von Radiomuseum.org
  • Modell: Plug-in Coil - Burndept Ltd. London
  • Bemerkung

  • Burndept Coils. Patent No.168249.

    Excerpt from the Gecophone Catalog:

    "One of the most efficient types of multi-layer coil now on the market. Their construction provides for ample air space between each layer, thus reducing the distributed capacity to about one-half that of other types of multi-layer coil. Coils S.1 to S.4 are single layer coils, wounf on ebonite, and specially designed for the reception of broadcasting and Amateur Telephony, as they cover a wavelength range of 150 to about 800 metres on an average P.O. aerial. Coils 75 to1000 are patent multi-layer coils, and cover all wavelengths from about 750 to 20000 metres."

    The following values were available:

    Cat.No.  Coil code Inductance µH
    BC2121 S.1 35
    BC2122 S.2 50
    BC2135 S.2½ 84
    BC2123 S.3 100
    BC2124 S.4 200
    BC2125 75 350
    BC2126 100 600
    BC2127 150 1250
    BC2128 200 2400
    BC2129 300 5000
    BC2130 400 10500
    BC2131 500 22000
    BC2132 750 52300
    BC2133 1000 109000

     

  • Literaturnachweis
  • Gecophone catalog 1924 page 5
  • Literatur/Schema (1)
  • 1925 Brown Brothers Catalogue.

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