File:Inductor radio (crystal).JPG

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Description
Français : Bobine de radio à cristal pour l'écoute de la bande hectométrique.
La self nid d'abeille de 180 micro Henry a un coefficient de surtension: Q de 50 a 80 dans la bande 0,5 MHz à 1,6 MHz.
Pour un coefficient de surtension de Q de 50:
la sélectivité est de 10 kHz pour 500 kHz et
la sélectivité est de 30 kHz pour 1500 kHz.
Pour un coefficient de surtension de Q de 80:
la sélectivité est de 6 kHz pour 500 kHz et
la sélectivité est de 20 kHz pour 1600 kHz.
English: A tuning coil used in medium wave (MW) crystal radios. The coil is wound in a "basket weave" pattern to reduce losses due to proximity effect. It has a Q of 50 to 80 in the 0.5-1.6 MHz band.
Date
Source Own work • Self-photographed
Author F1jmm

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I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported, 2.5 Generic, 2.0 Generic and 1.0 Generic license.
You are free:
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  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
You may select the license of your choice.
 This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: picture manager bright. Modifications made by F1jmm.

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Date/TimeThumbnailDimensionsUserComment
current18:07, 18 July 2010Thumbnail for version as of 18:07, 18 July 20102,234 × 1,416 (1.67 MB)F1jmm (talk | contribs)image coupée
15:58, 18 July 2010Thumbnail for version as of 15:58, 18 July 20101,704 × 2,272 (1,003 KB)F1jmm (talk | contribs){{Information |Description= {{fr| bobine de poste a galène pour l'écoute de la bande hectométrique. }} |Source={{own}} |Date= 18-07-2010 |Author=F1jmm |Permission= |other_versions= }} Category:Inductors

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