公开(公告)号：EP1034556B1

公开(公告)日：2004-01-21

申请号：EP98956995.9

申请日：1998-11-27

申请人： EEV LIMITED

发明人： WILCOX, David, Mark ,  BOWLER, Darrin

IPC分类号： H01J25/02 ,  H01J23/20

CPC分类号： H01J25/02 ,  H01J23/20

摘要： An electron beam tube such as a klystron includes a penultimate resonant cavity (22) located before the output cavity (14). The penultimate resonant cavity (22) is arranged to be inductively coupled, being resonant at a frequency which is slightly greater than a harmonic frequency. This provides increased sharpening of bunches of electrons arriving at the output cavity (14) giving increased efficiency at the output.

公开(公告)号：EP1034556A1

公开(公告)日：2000-09-13

申请号：EP98956995.9

申请日：1998-11-27

申请人： EEV LIMITED

发明人： WILCOX, David, Mark ,  BOWLER, Darrin

IPC分类号： H01J25/02 ,  H01J23/20

CPC分类号： H01J25/02 ,  H01J23/20

摘要： An electron beam tube such as a klystron includes a penultimate resonant cavity (22) located before the output cavity (14). The penultimate resonant cavity (22) is arranged to be inductively coupled, being resonant at a frequency which is slightly greater than a harmonic frequency. This provides increased sharpening of bunches of electrons arriving at the output cavity (14) giving increased efficiency at the output.