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Band-shaped beam klystron multi-gap cavity output apparatus

An output device and multi-gap technology, which is applied in the direction of the coupling device of the transit time type electron tube, can solve the problems of processing and assembly errors, weak coupling of the interaction gap field, difficulty in setting the cavity tuning mechanism, etc., and achieve shortening of the lateral dimension , Improve the characteristic impedance and enhance the effect of injection wave interaction

Active Publication Date: 2014-03-12
INST OF ELECTRONICS CHINESE ACAD OF SCI
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Problems solved by technology

[0004] However, the above-mentioned output cavity for the ribbon injection klystron proposed by researchers at the University of California, Davis has the following technical problems: (1) the field coupling of each interaction gap is weak; (2) it is difficult to set The cavity tuning mechanism, considering the processing and assembly errors of the actual metal components, will face the problem that the working frequency of the cavity cannot be effectively corrected in specific applications

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  • Band-shaped beam klystron multi-gap cavity output apparatus
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  • Band-shaped beam klystron multi-gap cavity output apparatus

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[0036] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0037] It should be noted that, in the drawings or descriptions of the specification, similar or identical parts all use the same figure numbers. Implementations not shown or described in the accompanying drawings are forms known to those of ordinary skill in the art. Additionally, while illustrations of parameters including particular values ​​may be provided herein, it should be understood that the parameters need not be exactly equal to the corresponding values, but rather may approximate the corresponding values ​​within acceptable error margins or design constraints. In addition, the directional terms mentioned in the following embodiments, such as "upper", "lower", "front", "rear", "left", "right", "vertical", "hori...

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Abstract

The invention provides a band-shaped beam klystron multi-gap cavity output apparatus. The apparatus comprises an upper cover plate, a lower cover plate, a coupling transition sheet and an output waveguide, wherein the upper cover plate and the lower cover plate are buckled for coupling, and a multi-gap output cavity is formed between the upper cover plate and the lower cover plate; the coupling transition sheet has one end disposed in a bulge structure and the other end extending out of the bulge structure through a square hole formed at the side surface of the upper cover plate and the lower cover plate, and the middle of the coupling transition sheet is provided with a transition hole whose one end is connected with the bulge structure; and the output waveguide is connected with the other end of the transition hole in the coupling transition sheet for outputting microwaves in the multi-gap output cavity to an external load. The apparatus provided by the invention improves the field coupling of interacting gaps and can adjust cavity frequency.

Description

technical field [0001] The invention relates to the technical field of microwave electric vacuum devices, in particular to a strip-shaped injection klystron multi-gap cavity output device capable of interacting with clustered strip-shaped electron beams and effectively extracting electron kinetic energy to realize microwave energy output. Background technique [0002] Applying the strip-shaped electron beam to the klystron can obtain high-frequency and high-power microwave output. Although scholars in the former Soviet Union had proposed this concept in the 1930s, it was not until the 1990s that brought The beam-shaped beam scheme has aroused the interest of researchers again. This is firstly because in the early technical conditions, compared with the traditional circular electron beam, the loss of axial symmetry of the ribbon-shaped electron beam has a negative effect on the analysis of the electron gun and focusing system. Design and processing and manufacturing have brou...

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Application Information

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IPC IPC(8): H01J23/36
Inventor 赵鼎阮存军梁源
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI
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