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Signal transmission waveguide

A technology for signal transmission and transmission of waveguides, applied in waveguides, waveguide-type devices, circuits, etc., can solve the problems of cumbersome accuracy, difficult operation of microwave frequency converters, and low frequency, so as to reduce the difficulty of operation, simplify the test operation steps, and improve the accuracy. degree of effect

Pending Publication Date: 2020-02-21
CHINA COMM TECHHUBEI CO LTD +1
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AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a signal transmission waveguide, which aims to solve the problems of difficult, cumbersome and low-precision testing of microwave frequency converters in the prior art where microwave frequency converters need to be tested in divided frequency bands.

Method used

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Embodiment Construction

[0026] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.

[0027] In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientation or positional relationship indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than Nothing indicating or implying that a referenced device or element...

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Abstract

The invention relates to the technical field of microwave frequency converter testing, and provides a signal transmission waveguide. A waveguide transmission hole for transmitting the waveguide is formed in the front side surface of the signal transmission waveguide in a penetrating manner. The signal transmission waveguide is connected with two symmetrically arranged waveguide steps on the hole wall of the waveguide transmission hole. Each waveguide step comprises a first step, a second step,..., and an Mth step, which are connected in sequence from front to back and extend towards the otherwaveguide step, wherein M is greater than or equal to 2. The extension lengths of the first step, the second step,..., and the Mth step decrease progressively in sequence. Two first steps and the front port edge of the waveguide transmission hole jointly surround a rectangular waveguide port used for transmitting a rectangular waveguide. A circular waveguide port used for transmitting a circular waveguide is formed on the rear port edge of the waveguide transmission hole. The signal transmission waveguide can be compatible with the transmission of measurement signals of a high frequency band and a low frequency band on the basis of less loss, so that the operation difficulty of the test of a microwave frequency converter can be reduced, and the accuracy of the test data of the microwave frequency converter is improved.

Description

technical field [0001] The invention relates to the technical field of microwave frequency converter testing, in particular to a signal transmission waveguide. Background technique [0002] Microwave inverters are widely used in the field of satellite communications, and their product quality and indicators directly affect the signal reception effect. Therefore, microwave inverters need to be tested before they are put into use. In related industries, microwave inverters will be tested in divided frequency bands according to the working frequency band of microwave inverters. Among them, microwave inverters and signal sources will be connected through signal transmission waveguides suitable for low frequency bands, and signal transmission waveguides will be adjusted through frequency dividers to achieve Transmit the measurement signal with a frequency range between 10.7 and 11.7GHz to the microwave frequency converter; and / or, connect the microwave frequency converter and the...

Claims

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Application Information

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IPC IPC(8): H01P3/123
CPCH01P3/123
Inventor 何宏平项俊晖刘俊杰潘雄广
Owner CHINA COMM TECHHUBEI CO LTD
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