File:Arc de Poulsen.svg
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English: Diagram of a Poulsen arc chamber, from a Poulsen arc radio transmitter, invented in 1902 and used in high power radio stations until the mid-1920s. In a Poulsen arc transmitter, an electric arc stabilized by a magnetic field in a hydrogen (H2) atmosphere, excites continuous wave (CW) oscillations in a tuned circuit connected across the arc's electrodes. In the diagram the terminals of the arc electrodes are at R and L, and at top and bottom are connections for tubes supplying the hydrogen gas. In operation the entire chamber is installed between the poles of a powerful electromagnet, with the iron pole pieces penetrating the front and back sides of the chamber.
Français : Schéma d'un émetteur à arc de Poulsen. Inventé en 1902 et utilisé dans des stations d'émission à grande puissance jusqu'au milieu des années 1920. Dans un émetteur d'arc de Poulsen, un arc électrique stabilisé par un champ-magnétique dans l'atmosphère d'hydrogène (H2), créé une porteuse continue (CW) par oscillations dans un circuit accordé connecté à travers les électrodes de l'arc. Dans le diagramme les terminaux des électrodes d'arc sont à R et L et au sommet et le fond (bas) est des rapports (connexions) pour des tubes fournissant le gaz hydrogène. Dans l'opération la chambre entière est installée entre les poteaux(pôles) d'un électro-aimant puissant, avec les pièces de poteau(pôle) de fer pénétrant dans le front et les arrières côtés de la chambre |
| Date | |
| Source | Own work |
| Author | Roland Brierre |
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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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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:43, 12 November 2009 | | 544 × 372 (80 KB) | Efcuse (talk | contribs) | {{Information |Description={{en|1=Diagram of a Poulsen Arc.}} {{fr|1=Schéma d'un émetteur à arc de Poulsen.}} |Source={{own}} |Author=Roland Brierre |Date=12 november 2009 |Permission= |other_versions= }} Category:Spark-gap transmitters |
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