发明授权
- 专利标题: Traveling wave tube with gain flattening slow wave structure
- 专利标题(中): 具有增益缓慢波浪结构的行驶波浪管
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申请号: US563582申请日: 1990-08-06
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公开(公告)号: US5162697A公开(公告)日: 1992-11-10
- 发明人: Jon A. Davis , Ivo Tammaru
- 申请人: Jon A. Davis , Ivo Tammaru
- 申请人地址: CA Los Angeles
- 专利权人: Hughes Aircraft Company
- 当前专利权人: Hughes Aircraft Company
- 当前专利权人地址: CA Los Angeles
- 主分类号: H01J23/24
- IPC分类号: H01J23/24 ; H01J25/38
摘要:
A traveling wave tube (10) includes a coupled cavity type slow wave structure (100) having a driver stage (52) and an output section (101) with a primary section (64) and a velocity taper section (82) which in combinattion produce maximum signal gain at a predetermined frequency. A gain flattening section (104) is preferably disposed between the driver stage (52) and the primary section (64) of the output section (101), and is designed to operate at a reduced phase velocity selected to produce minimum or negative signal gain at approximately the predetermined frequency. The gain characteristics of the driver stage (52), gain flattening section (104), primary section (64), and velocity taper section (82) combine to produce minimum signal gain variation over an operating frequency range which spans the predetermined frequency, and expand the bandwidth of the traveling wave tube (10).