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Multi-electron-beam inductive output tube

A technology of induction output tube and multi-electron injection, which is applied in the field of electric vacuum to achieve the effects of low working voltage, simple and easy structure, and large volume.

Inactive Publication Date: 2014-11-05
INST OF ELECTRONICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the traditional inductive output tube is difficult to make a difference, and it is urgent to develop a new inductive output tube to adapt to new application environments and new requirements.

Method used

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  • Multi-electron-beam inductive output tube
  • Multi-electron-beam inductive output tube
  • Multi-electron-beam inductive output tube

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Embodiment Construction

[0025] 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. 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.

[0026] The working principle of the multi-electron beam induction output tube of the present invention is: the structure of the output tube can interact with t...

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Abstract

A multi-electron-beam inductive output tube is composed of three portions, wherein the first portion is an input system composed of a grid-control multi-electron-beam electronic gun and an input cavity, and feed-in microwave signals are fed into the input cavity through a coaxial input cable; the second portion is an output cavity, a reentry-type cylindrical resonant cavity is adopted in the output cavity, a clearance of the output cavity is composed of a gap between two machining drifting channels in the axial direction of cylindrical metal, direct-current energy of multiple electron beams is interchanged with energy generated by a high-frequency field at the clearance of the output cavity, and transformational high-frequency microwaves are output through a coaxial output cable; the third portion is a collector which is used for collecting energy of the electron beams finishing beam-wave interaction. The multi-electron-beam inductive output tube is simple and practical, has the advantages of being easy to machine, low in technology processing difficulty and the like, and also has the advantages of being low in working voltage, high in efficiency, wide in frequency band, high in gain, long in service life, low in operating and maintaining cost and the like at the same power level compared with a traditional inductive output tube.

Description

technical field [0001] The invention relates to the field of electric vacuum technology, in particular to a multi-electron injector induction output tube. Background technique [0002] The induction output tube, also known as the klystron tetrode, combines the advantages of the microwave tetrode and the klystron. A density-modulated microwave tube. In the induction output tube, the input resonant cavity generates a high-frequency electric field between the grid and the cathode, controls the electron emission of the hot cathode, and obtains a density-modulated electron beam. After being accelerated by the high voltage applied between the grid and the anode, the density-modulated electron beam enters the output resonant cavity after passing through a drift space, and induces a high-frequency voltage on the gap between the output resonant cavity; the density-modulated electron beam and the high-frequency output cavity High-frequency amplification is obtained through voltage i...

Claims

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Application Information

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IPC IPC(8): H01J23/36
Inventor 钟勇王勇
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI
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