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Induction output tube with double-gap input cavity

A technology of inductive output tube and input cavity, which is applied in the field of electric vacuum to achieve the effects of increased power, easy processing, and simple structure

Inactive Publication Date: 2014-10-29
INST OF ELECTRONICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, in recent years, applications such as digital TV transmitters, particle accelerators, radars and communications have put forward new requirements for inductive output cavities - high frequency, wide gain, and traditional inductive output cavities can no longer meet such requirements

Method used

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  • Induction output tube with double-gap input cavity
  • Induction output tube with double-gap input cavity
  • Induction output tube with double-gap input cavity

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Embodiment Construction

[0034] 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. The directional terms mentioned in the embodiments, such as "upper", "lower", "front", "rear", "left", "right", etc., are only referring to the directions of the...

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Abstract

The invention provides an induction output tube with a double-gap input cavity. The induction output tube comprises an input system, an output cavity and a collecting electrode, wherein the input system is provided with a double-gap input cavity and is used for utilizing microwaves input by the outside to perform density modulation on electron beams; the output cavity is fixedly connected to the rear end of the input system, the electron beams after the density modulation perform energy exchange in the output cavity, generated high-frequency energy is output to the outside; and the collecting electrode is fixedly connected to the rear end of the output cavity and used for collecting remaining electrons after energy exchange. Due to the fact that the induction output tube is provided with two input gaps, modulation can be performed on the electron beams twice, the modulation depth is increased, and power, gain and bandwidth of the induction output tube are improved.

Description

technical field [0001] The invention relates to the field of electric vacuum technology, in particular to an induction output tube with double-gap input chambers. Background technique [0002] In the family of TV transmitters in the UHF band, in addition to the mature and first-used ceramic tubes, klystrons that have been continuously improved to improve efficiency, and high-reliability all-solid-state transmitters that are becoming more and more perfect, in 1993 the international community appeared again. Using induction output tube TV transmitter. It has aroused the great attention of the radio and television industry. Compared with the previous TV transmitters, the induction output tube TV transmitter has the outstanding characteristics of low price and maintenance cost, high efficiency, etc., which has attracted people's wide attention. [0003] The inductive output cavity IOT (Inductive Output Tube), also known as klystrode, is a density-modulated microwave tube that c...

Claims

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Application Information

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IPC IPC(8): H01J25/04H01J23/00
Inventor 钟勇王勇范俊杰
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI
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