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Differential coplanar waveguide transmission line

A coplanar waveguide and transmission line technology, applied to waveguides, waveguide-type devices, circuits, etc., can solve the problem of high signal common-mode noise, reduce sensitivity and improve signal quality

Active Publication Date: 2021-07-16
WUHAN OPTICAL VALLEY INFORMATION OPTOELECTRONICS INNOVATION CENT CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the embodiment of the present application provides a differential coplanar waveguide transmission line to solve the problem of high common-mode noise of signals transmitted by the differential coplanar waveguide transmission line

Method used

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  • Differential coplanar waveguide transmission line
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  • Differential coplanar waveguide transmission line

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Embodiment Construction

[0026] The specific technical features in each embodiment described in the specific implementation modes can be combined in various ways if there is no contradiction. For example, different implementation modes can be formed by combining different specific technical features. Necessary repetition, various possible combinations of specific technical features in this application will not be further described.

[0027] In the description of the embodiments of the present application, it should be noted that unless otherwise stated and limited, the term "connection" should be understood in a broad sense, for example, it can be an electrical connection, it can also be the internal communication of two components, and it can be a direct connection , can also be indirectly connected through an intermediary, and those of ordinary skill in the art can understand the specific meanings of the above terms according to specific situations.

[0028] It should be noted that the term "first\s...

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Abstract

The application provides a differential coplanar waveguide transmission line, which relates to the field of electronic equipment. This differential coplanar waveguide transmission line includes: a dielectric substrate having a first surface and a second surface oppositely arranged, the first surface includes a first area and a second area surrounding the first area; a differential signal transmission line is arranged on the first The first area of ​​the surface; the first conductive layer is arranged on the second area of ​​the first surface; wherein, the first conductive layer includes a first ground electrode and a second ground electrode oppositely arranged, and connects the first ground electrode and the second ground electrode The third ground electrode of the ground electrode: the first ground electrode and the second ground electrode are spaced on both sides of the differential signal transmission line, and the third ground electrode is spaced at one end of the differential signal transmission line. The differential coplanar waveguide transmission line can reduce the susceptibility of the signal to the common mode noise caused by the mismatch of the differential signal transmission line, thereby improving the signal quality.

Description

technical field [0001] The present application relates to the field of electronic equipment, in particular to a differential coplanar waveguide transmission line. Background technique [0002] With the development of society, the transmission capacity of communication systems is increasing, and the application of differential structures in optical device packaging is also increasing. Especially in high-frequency signal lines, differential coplanar waveguides are widely used. Coplanar waveguide belongs to a transmission line structure, which is used to connect with other microwave active or passive devices to form a circuit. The coplanar waveguide includes a central conductive strip and ground electrodes connected to the ground on both sides. The central conductive strip is used to set the signal line for signal transmission. The terminal determines whether the logic state is 0 or 1 by comparing the difference between the two voltages, and the two signal lines carrying the d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01P3/02
CPCH01P3/02
Inventor 宋小平宁静刘成刚肖清明
Owner WUHAN OPTICAL VALLEY INFORMATION OPTOELECTRONICS INNOVATION CENT CO LTD