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    • 30. 发明授权
    • Slow-wave filter for electron discharge device
    • 用于电子放电装置的慢波滤波器
    • US4370596A
    • 1983-01-25
    • US33759
    • 1970-05-01
    • Donald L. Winsor
    • Donald L. Winsor
    • H01J23/26H01J23/30H01J25/34
    • H01J23/30H01J23/26
    • A filter for suppressing backward wave energy modes propagating along a slow-wave structure. The filter is frequency responsive and comprises a wall having coupling apertures and, in one embodiment, a series of waveguide sections which are joined to the coupling apertures and alternate sections are terminated in matched loads. The apertured wall encloses the slow-wave structure and the apertures are arranged relative to periodic elements of the slow-wave structure such that a forward wave can propagate with substantially no interaction with the filter while the energy in a backward wave is dissipated in the matched loads. The filter is particularly adapted for absorbing backward waves in a travelling wave tube operating at high power and an octave bandwidth.
    • 用于抑制沿慢波结构传播的反向波能量模式的滤波器。 滤波器是频率响应的并且包括具有耦合孔的壁,并且在一个实施例中,连接到耦合孔的一系列波导部分,并且交替部分以匹配的负载终止。 多孔壁围绕慢波结构,并且孔相对于慢波结构的周期性元件布置,使得正向波可以基本上不与滤波器相互作用地传播,而反向波中的能量在匹配的 负载 滤波器特别适用于吸收以高功率和八度带宽工作的行波管中的反向波。