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    • 2. 发明授权
    • Coupled cavity slow wave circuit and tube using same
    • 使用相同的联轴器缓冲波形电路和管
    • US3668459A
    • 1972-06-06
    • US3668459D
    • 1970-09-08
    • VARIAN ASSOCIATES
    • SYMONS ROBERT SSTAPRANS ARMANDBUTWELL ROBERT J
    • H01J23/24H01J25/34
    • H01J23/24
    • A coupled cavity slow wave circuit, such as a cloverleaf circuit, and a microwave tube using same are disclosed. The slow wave circuit includes an array of cavity resonators arranged successively along the beam path with adjacent ones of the cavities having a common end wall structure. A plurality of generally radially directed coupling slots are cut through the common wall between adjacent resonators to form a plurality of axially aligned arrays of coupling slots angularly displaced around the beam path. Each array of slots is angularly displaced about the beam path from the adjacent array by (360/N) degrees where N is the number of axially aligned arrays of slots. Each axially aligned array of coupling slots includes means for interrupting the flow of electrons through the slots such as a blocking member or the slots are staggered or offset in radial or angular position such as to block off a line-of-sight path parallel to the beam through at least a portion of each array of coupling slots to inhibit cumulative electromagnetic interaction between undesired beamlets in the arrays of slots and the fields of the slow wave circuit, whereby the efficiency and stability of the tube are increased.
    • 公开了诸如苜蓿叶片回路的耦合腔慢波电路和使用它的微波管。 慢波电路包括沿着光束路径连续布置的空腔谐振器的阵列,其中相邻的空腔具有共同的端壁结构。 多个大致径向定向的耦合槽被切穿相邻谐振器之间的公共壁,以形成围绕光束路径成角度地移位的多个轴向对准的耦合槽阵列。 每个槽阵列围绕相邻阵列的光束路径角位移(360 / N)度,其中N是轴向对准的槽阵列的数量。 每个轴向对准的耦合槽的阵列包括用于中断电子流过诸如阻塞构件的槽的装置,或者槽在径向或角位置上交错或偏移,以阻挡平行于该视线的视线路径 射束每个耦合槽阵列的至少一部分,以阻止槽阵列和慢波电路的场中不需要的子束之间的累积电磁相互作用,由此提高了管的效率和稳定性。