Der Niederfrequenz-Verstärker by Otto Kappelmayer
Der Niederfrequenz-Verstärker

Der Niederfrequenz-Verstärker


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About the Book

der Bibliothek des Radioamateurs. Schon vor der Radioamateurbewegung hat es technische und sportliche Bestrebungen gegeben, die schnell in breite Volks- schichten eindrangen; sie alIe iibertrifft heute bereits an Umfang und an Intensitat die Beschaftigung mit der Radiotelephonie. Die Griinde hierfiir sind mannigfaltig. Andere technische Betatigungen erfordern nicht unerhebliche Voraussetzungen. Wer z. B. eine kleine Dampfmaschine selbst bauen will - was vor zwanzig Jahren eine Lieblingsbeschii.ftigung technisch be- gabter Schiiler war - benotigt einerseits vieJe Werkzeuge und Einrichtungen, muB andererseits aber auch ein guter Mechaniker sein, um eine brauchbare Maschine zu erhalten. Auch der Bau von Funkeninduktoren oder Elektrisiermaschinen, gleichfalls eine Lieblings betatigung in friiheren Jahrzehnten, erfordert manche Fabrikationseinrichtung und entsprechende Geschick- lichkeit. Die meisten dieser Schwierigkeiten entfallen bei der Be- schaftigung mit einfachen Versuchen der Radiotelephonie. mit manchem in jedem Haushalt vorhandenen Altgegen- Schon stand Jassen sich ohne besondere Geschicklichkeit Empfangs- resultate erzielen. Der Bau eines Kristalldetektorempfangers ist weder achwierig noch teuer, und bereits mit ihm erreicht man ein Ergebnis, das auf jeden Laien, der seine eraten radiotelepho- nischen Versuche unternimmt, gleichmaBig iiberwaltigend wirkt: Fast frei von irdischen Entfernungen, ist er in der Lage, aus dem Raum heraus Energie in Form von Signal en, von Musik, Gesang usw. aufzunehmen. Kaum einer, der so mit einfachen Hilfsmitteln angefangen bat, wird von der Beschaftigung mit der Radiotelephonie los ..


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Product Details
  • ISBN-13: 9783662276624
  • Publisher: Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
  • Binding: Paperback
  • Height: 234 mm
  • No of Pages: 76
  • Series Title: Bibliothek Des Radio Amateurs (Geschlossen)
  • Weight: 195 gr
  • ISBN-10: 3662276623
  • Publisher Date: 01 Jan 1924
  • Edition: 1924 ed.
  • Language: German
  • Returnable: Y
  • Spine Width: 5 mm
  • Width: 156 mm


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