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    • 8. 发明授权
    • Traveling wave tube
    • 行波管
    • US4185225A
    • 1980-01-22
    • US891696
    • 1978-03-24
    • Oskar F. DoehlerRobert J. EspinosaGary G. Groshart
    • Oskar F. DoehlerRobert J. EspinosaGary G. Groshart
    • H01J23/26H01J23/52H01J25/34
    • H01J23/52H01J23/26
    • A traveling wave tube having a helix continuously supported within a dielectric barrel provides efficient operation at high power levels. The wire forming the helix has a greater width along its inner surface adjacent the interaction space of the traveling wave tube than along its outer surface which is continuously secured to the dielectric barrel. The wire confines the electromagnetic field to an area adjacent the interaction space for low dielectric loading thereby assuring a good coupling impedance into and out of the traveling wave tube and a wide bandwidth. Improved thermal conductivity for heat from the helix is provided as a result of the helix being continuously supported and in contact with the dielectric barrel. The tube is low in cost, which makes it attractive for expendable use.
    • 具有在介电筒内连续支撑的螺旋线的行波管提供高功率水平的有效操作。 形成螺旋线的线沿着与行波管的相互作用空间相邻的内表面的宽度大于沿其外表面连续固定到电介质筒的宽度。 导线将电磁场限制在与相互作用空间相邻的区域,用于低介电负载,从而确保进入和离开行波管的良好耦合阻抗和宽带宽。 由于螺旋被连续地支撑并且与电介质筒接触,所以提供了来自螺旋线的热量的改进的导热性。 该管成本低,这使其具有吸引力的消耗性使用。