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Electronic apparatus having coplanar waveguide transmission line

A technology of waveguide transmission lines and electronic equipment, applied in the direction of waveguides, waveguide-type devices, circuits, etc., can solve the problems of CPW transmission line signal reflection, signal transmission efficiency reduction, imperfect manufacturing process and circuit design, etc.

Inactive Publication Date: 2018-10-16
NOVATEK MICROELECTRONICS CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, due to the imperfection of manufacturing process and circuit design, impedance discontinuity usually appears on the reference plane of CPW transmission line, which will cause signal reflection on CPW transmission line and reduce the signal transmission efficiency

Method used

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  • Electronic apparatus having coplanar waveguide transmission line
  • Electronic apparatus having coplanar waveguide transmission line
  • Electronic apparatus having coplanar waveguide transmission line

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Embodiment Construction

[0029] It is to be understood that other embodiments may be utilized and structural changes may be made without departing from the scope of the present invention. Also, it is to be understood that the phraseology and terminology used herein are for the purpose of description and should not be regarded as limiting. The use of "comprising" and "including" or "having" and variations thereof herein is intended to cover the items listed thereafter and equivalents thereof as well as additional items. Unless otherwise limited, the terms "connected," "coupled," and "mounted," and variations thereof herein, are used broadly and encompass direct and indirect connections, couplings, and mountings.

[0030] figure 2 is a schematic diagram showing an electronic device according to an exemplary embodiment of the present invention. In one embodiment of the present invention, the electronic device comprises a substrate, a multi-reference coplanar waveguide (CPW) transmission line and a ref...

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Abstract

An electronic apparatus having a coplanar waveguide transmission line configured to reduce impedance discontinuity in the coplanar waveguide transmission line is introduced. The electronic apparatus includes a coplanar waveguide transmission line including a substrate, at least one signal line and a plurality of reference planes, and the electronic apparatus includes at least one passive component. Each of the reference planes is coupled to a DC voltage. The at least one passive component is electrically connected between the reference planes and acts as a short circuit at relatively high frequencies.

Description

technical field [0001] The present invention relates to an electronic device having a coplanar waveguide transmission line, and more particularly to an electronic device having a coplanar waveguide transmission line and having at least one passive component connected between reference planes of the coplanar waveguide transmission line for reducing Impedance discontinuities in coplanar waveguide transmission lines for electronic devices. Background technique [0002] In the field of signal transmission, a coplanar waveguide (CPW) transmission line is widely used because the CPW transmission line provides greater circuit isolation. Figure 1A to Figure 1B A diagram is shown of a conventional electronic device with a CPW transmission line, wherein the signal line 12 is always provided with at least one reference plane which receives the ground voltage or the supply voltage of a direct current (DC) voltage source. see Figure 1A , the signal line 12 is disposed between the firs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01P3/00
CPCH01P3/003H01L2223/6627H01P3/026H01L28/40H01L23/66H01L2223/6672
Inventor 林竣义陈郁仁朱宏麒
Owner NOVATEK MICROELECTRONICS CORP
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