JPH0192054U - - Google Patents
Info
- Publication number
- JPH0192054U JPH0192054U JP18811987U JP18811987U JPH0192054U JP H0192054 U JPH0192054 U JP H0192054U JP 18811987 U JP18811987 U JP 18811987U JP 18811987 U JP18811987 U JP 18811987U JP H0192054 U JPH0192054 U JP H0192054U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic pole
- pole piece
- electron beam
- inner diameter
- traveling wave
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010894 electron beam technology Methods 0.000 claims 3
- 230000001360 synchronised effect Effects 0.000 claims 1
- 230000000737 periodic effect Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Microwave Tubes (AREA)
Description
第１図ａは本考案の第１の実施例の正面断面図
、第１図ｂは本考案に用いる磁極片の断面図、第
２図ａは本考案の第２の実施例の正面断面図、第
２図ｂは本考案に用いる磁極片の断面図、第３図
ａは従来構造による遅波回路講体と周期磁界装置
を組合せた正面断面図、第３図ｂは周期磁界装置
の磁極片の断面図である。
１…らせん遅波回路、２…誘電体支持棒、３…
円筒状金属外囲器、４…環状磁極片、４ａ，５ａ
，９ａ…磁極の延展部、５，９…テーパー付磁極
片、６，１０…２分割磁極片、７…環状マグネツ
ト、８…介在物。
Figure 1a is a front sectional view of the first embodiment of the present invention, Figure 1b is a sectional view of a magnetic pole piece used in the invention, and Figure 2a is a front sectional view of the second embodiment of the invention. , Fig. 2b is a sectional view of a magnetic pole piece used in the present invention, Fig. 3a is a front sectional view of a combination of a conventional slow-wave circuit structure and a periodic magnetic field device, and Fig. 3b is a magnetic pole of the periodic magnetic field device. FIG. 3 is a cross-sectional view of the piece. 1... Spiral slow wave circuit, 2... Dielectric support rod, 3...
Cylindrical metal envelope, 4... annular magnetic pole piece, 4a, 5a
, 9a... Extended portion of magnetic pole, 5, 9... Tapered magnetic pole piece, 6, 10... Two-part magnetic pole piece, 7... Annular magnet, 8... Inclusion.
Claims (1)
、高周波を増幅する遅波回路と、電子ビームを捕
獲するコレクター電極とを有し、外周に電子ビー
ムを集束するための磁極片と環状マグネツトから
なる同期磁界装置を配設した進行波管において、
前記磁極片は、内径部にテーパー部を有する磁極
片と、前記内径テーパー部に嵌合させる外径部に
テーパーを有する２分割環状磁極片とから成るこ
とを特徴とする進行波管。 It has an electron gun that generates an electron beam in a vacuum envelope, a slow wave circuit that amplifies high frequencies, and a collector electrode that captures the electron beam, and includes a magnetic pole piece and an annular magnet to focus the electron beam on the outer periphery. In a traveling wave tube equipped with a synchronous magnetic field device consisting of
The traveling wave tube is characterized in that the magnetic pole piece is composed of a magnetic pole piece having a tapered portion on the inner diameter portion, and a two-part annular magnetic pole piece having a tapered outer diameter portion that fits into the inner diameter tapered portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18811987U JPH0192054U (en) | 1987-12-09 | 1987-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18811987U JPH0192054U (en) | 1987-12-09 | 1987-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0192054U true JPH0192054U (en) | 1989-06-16 |
Family
ID=31479235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18811987U Pending JPH0192054U (en) | 1987-12-09 | 1987-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0192054U (en) |
-
1987
- 1987-12-09 JP JP18811987U patent/JPH0192054U/ja active Pending