Historic travelling wave tubes,used as amplifiers in satellite communications payloads,made by Thomson Tubes (France) and Varian (US). At top,cutaway model shows main components (L-to-R): electron gun,helix/slow-wave structure and collector. RF signal input coaxial cable at left and output waveguide at right | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Williamson, Mark |
Taille de l’image : | 5128 px × 3408 px |
Model Release : | Non requis |
Restrictions : |
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