Novel ultra wide band box type output window

A technology with ultra-wide frequency band and output window, which is applied in the field of microwave electric vacuum devices, can solve problems such as narrow working bandwidth, and achieve the effects of high power capacity, good air tightness, and improved purity

Active Publication Date: 2014-09-10
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a novel ultra-wideband box-type output window, which is used to overcome the problem that the existing box-type output window is relatively narrow in operating bandwidth

Method used

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  • Novel ultra wide band box type output window
  • Novel ultra wide band box type output window
  • Novel ultra wide band box type output window

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Embodiment Construction

[0022] For the convenience of description, only 36-52GHz box-type output window is used here to describe the structure of the novel ultra-wideband box-type output window of the present invention in detail. However, the protection scope of the present invention is not limited thereto. Based on other frequency bands of the present invention, Other mixed-mode transmissions and changes or substitutions conceivable by anyone familiar with the technology within the technical scope disclosed in the present invention should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

[0023] The traditional box-type output window structure such as figure 1 As shown, the structure includes a rectangular waveguide 1, a circular waveguide 3, and a dielectric window 2; the rectangular waveguide generally uses the standard rectangular waveguide BJ400 or BJ200; the standard circula...

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Abstract

The invention provides a novel ultra wide band box type output window which is used for solving the problem that the existing box type output window is narrow in relative working band width. The ultra wide band box type output window comprises a rectangular waveguide, a round waveguide and a round medium window piece welded in the middle of the round waveguide in a sealing mode. Two ends of the round waveguide are connected the rectangular waveguide, and the rectangular waveguide is connected right in the middle of the section of the round waveguide. The novel ultra wide band box type output window is characterized in that the round waveguide is a similar O-shaped waveguide, the length is 0.25*sigma, and sigma is TE11 waveguide wavelength. The novel ultra wide band box type output window adopts the mixed mode transmission of TE11 and TM11, the working bandwidth is effectively expanded to 45%, and drifting of a center frequency point is effectively avoided. The similar O-shaped round waveguide effectively improves the transmission mode purity and further optimizes the transmission characteristic parameters of the box type output window. The box type output window is compact in structure and good in air tightness, has high power capacity, still has good transmission performance under certain machining errors and reduces machining difficulty.

Description

technical field [0001] The invention belongs to the field of microwave electric vacuum devices, and relates to an output device for microwave vacuum tubes, in particular to a novel ultra-wideband box-type output window. Background technique [0002] Microwave electric vacuum device is a device that converts the energy carried by moving electrons in vacuum into microwave energy. The electron gun produces an electron beam, which interacts with a high-frequency field in a vacuum environment, converting electron kinetic energy into high-frequency energy. In order to ensure the vacuum environment of the device, windows must be used to achieve isolation between the external atmospheric environment and the high vacuum state inside the microwave tube. [0003] The high-power output window is a key component of high-power microwave electric vacuum devices, accelerators and other high-power microwave electronic systems, and its quality often determines the success or failure of micro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P1/08
Inventor 王建勋郑源罗勇
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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