High-impedance slow-wave propagation circuit having band width extension means
阅读：821发布：2022-11-17
专利汇可以提供High-impedance slow-wave propagation circuit having band width extension means专利检索，专利查询，专利分析的服务。并且A slow traveling wave bar and ring high frequency transmission line energy propagation structure for traveling wave tubes is supported by a novel electrically isolating, thermally conducting array of support elements coaxially within a shell having spaced longitudinally extending conductivity perturbations.，下面是High-impedance slow-wave propagation circuit having band width extension means专利的具体信息内容。
1. A traveling wave tube comprising cathode means for projecting an electron beam along a predetermined path, electron beam collector means circuit means interposed between said cathode means and said collector means along said electron beam path for forming derived helix slow wave propagation circuit means in high frequency energy exchanging relation with said electron beam, transmission line means for coupling high frequency energy into and out of said slow wave propagation circuit means, hollow tubular shell means having a circularly cylindric inner high frequency current conducting surface surrounding said derived helix slow wave propagation circuit means in substantially coaxial relation therewith, electrically insulating, thermally conducting means for supporting said slow wave propagation circuit means from said circularly cylindric inner high frequency conducting surface, and spaced lineal perturbation means comprising an array of high frequency current guiding means fixed upon said circularly cylindric inner high frequency conducting surface for inhibiting circumferential flow of high frequency currents upon said circularly cylindric inner high frequency conducting surface for decreasing the dispersive characteristics of said traveling wave tube, each said current guiding means comprising rod means lying in substantially parallel relation with said electron beam path.
1. A traveling wave tube comprising cathode means for projecting an electron beam along a predetermined path, electron beam collector means circuit means interposed between said cathode means and said collector means along said electron beam path for forming derived helix slow wave propagation circuit means in high frequency energy exchanging relation with said electron beam, transmission line means for coupling high frequency energy into and out of said slow wave propagation circuit means, hollow tubular shell means having a circularly cylindric inner high frequency current conducting surface surrounding said derived helix slow wave propagation circuit means in substantially coaxial relation therewith, electrically insulating, thermally conducting means for supporting said slow wave propagation circuit means from said circularly cylindric inner high frequency conducting surface, and spaced lineal perturbation means comprising an array of high frequency current guiding means fixed upon said circularly cylindric inner high frequency conducting surface for inhibiting circumferential flow of high frequency currents upon said circularly cylindric inner high frequency conducting surface for decreasing the dispersive characteristics of said traveling wave tube, each said current guiding means comprising rod means lying in substantially parallel relation with said electron beam path.
2. Apparatus as described in claim 1 wherein said electrically insulating, thermally conducting means comprises at least one array of individual rods with axes lying substantially in a diametral plane of said traveling wave tube, said rods each being bonded at one end to said slow wave propagation structure in respective regions of low amplitude high-frequency electric field.
3. Apparatus as described in claim 2 wherein said rods comprise in abutting relation at least a major portion of high frequency current conducting material and a minor portion of thermally conducting, electrically insulating material.
4. Apparatus as described in claim 3 wherein: said major portion of high frequency current conducting material is bonded to said circularly cylindric inner high frequency conducting surface of said shell means, and said minor portion of thermally conducting, electrically insulating material is bonded to said slow wave propagation circuit means.
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