Traveling-wave tube having a slow-wave structure of the cloverleaf type wherein the height of the cloverleaf sections are tapered
阅读：206发布：2022-12-01
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1. AN ELECTRON DISCHARGE DEVICE COMPRISING: A CATHODE FOR PRODUCING A BEAM OF ELECTRONS, A COLLECTOR FOR COLLECTING SAID BEAM OF ELECTRONS, A SLOW-WAVE STRUCTURE POSITIONED BETWEEN THE CATHODE AND COLLECTOR FOR SUPPORTING A TRAVELING WAVE, INPUT MEANS COUPLED TO THE CATHODE END OF SAID SLOW-WAVE STRUCTURE FOR INTRODUCING THE TRAVELING WAVE ONTO THE SLOW-WAVE STRUCTURE, THE TRAVELING WAVE BEING AMPLIFIED BY INTERACTION WITH THE ELECTRON BEAM TRAVELING THROUGH THE SLOW-WAVE STRUCTURE, SAID SLOW-WAVE STRUCTURE COMPRISING A PLURALITY OF INDUCTIVELY COUPLED CLOVERLEAF SECTIONS ALIGNED ALONG THE BEAM PATH, THE HEIGHTS OF THE LAST SEVERAL CLOVERLEAF SECTIONS IN THE SLOWWAVE STRUCTURE DECREASING IN VALUE PROGRESSIVELY, THE LAST CLOVERLEAF SECTION BEING SUBSTANTIALLY SHORTER IN HEIGHT THEN THE FULL HEIGHT OF THE NORMAL CLOVERLEAF SECTIONS, SAID INPUT MEANS INCLUDING A COAXIAL LINE EXTENDING INTO AND ACROSS THE FIRST CLOVERLEAF SECTION IN A DIRECTION PARALLEL TO THE BEAM PATH, SAID FIRST CLOVERLEAF SECTION HAVING AN ANNULAR TUNING STUB COAXIALLY ALIGNED WITH THE BEAM PATH AND EXTENDING INTO SAID FIRST CLOVERLEAF SECTION FOR CAPACITIVE TUNING OF THE INPUT, AND OUTPUT MEANS COUPLED TO SAID LAST CLOVERLEAF SECTION FOR REMOVING THE WAVE ENERGY FROM SAID SLOW-WAVE STRUCTURE.
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