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Slow wave filter helix structure

閱讀:545發(fā)布:2023-01-02

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1. A SLOW WAVE FILTER HELIX STRUCTURE FOR A TRAVELING WAVE TUBE COMPRISING A METALLIC HELIX FORMING A TRANSMISSION LINE FOR ELECTROMAGNETIC WAVES, PARALLEL INSULATING SUPPORT RODS CONTACTIN SAID HELIX LONGITUDINALLY, AND A PLURALITY OF ELECTRICAL LOADING ELEMENTS IN THE FORM OF METAL FASTENERS EACH RIGIDLY AFFIXING ONLY ONE OF SAID RODS TO SAID HELIX AND FORMING AN INTEGRAL STRUCTURE AND DIRECT ELECTRICAL CONNECTION THEREWITH, SAID ELEMENTS BEING ARRANGED ON EACH ROD IN GROUPS PERIODICALLY SPACED ALONG SAID HELIX TO ESTABLISH SELECTIVE PASS-BAND CHARACTERISTICS OF SPACE HARMONIC COMPONENTS IN THE PROPAGATION OF SAID WAVES THROUGH SAID TUBE.
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