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Signal transmission system based on serpentine wire and mobile terminal

A technology of signal transmission system and serpentine line, applied in the direction of transmission system, electrical components, etc., can solve the problems of reduced matching effect and reduced circuit quality factors

Inactive Publication Date: 2017-05-10
NUBIA TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the improvement of the signal transmission characteristics of the radio frequency circuit in the mobile terminal is mainly by adding the inductance and capacitance as the matching circuit, but the circuit quality factor caused by the parasitic parameters of the inductance and capacitance devices in the matching circuit is reduced, which will cause the matching effect decline

Method used

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  • Signal transmission system based on serpentine wire and mobile terminal
  • Signal transmission system based on serpentine wire and mobile terminal
  • Signal transmission system based on serpentine wire and mobile terminal

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0058] Such as image 3 As shown, in this embodiment, a signal transmission system based on a serpentine line includes: a signal transmitting end, a signal receiving end and a serpentine transmission line, the signal transmitting end is connected to the input port of the serpentine transmission line, and the The signal receiving end is connected to the output port of the serpentine transmission line. The serpentine transmission line includes a horizontal transmission line and a vertical transmission line. The horizontal transmission line and the vertical transmission line are vertically arranged and integrally formed. The horizontal transmission line and / or vertical The route to the transmission line is a serpentine line.

[0059] In this embodiment, through the odd-mode coupling characteristic of the serpentine line, the effective characteristic impedance of the differential transmission signal itself can be compensated to improve impedance matching, and the cost is low.

[...

Embodiment 2

[0090] In this embodiment, a mobile terminal, in addition to including figure 1 The existing functional modules in the system also include the signal transmission system described in the above embodiments, which can compensate for the effective characteristic impedance of the differential transmission signal itself through the odd-mode coupling characteristics of the serpentine line, improve impedance matching, and have low cost.

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Abstract

The invention discloses a signal transmission system based on a serpentine wire and a mobile terminal and belongs to the technical field of a mobile terminal. The system comprises a signal transmitting end, a signal receiving end and a serpentine transmission wire, wherein the signal transmitting end is connected with an input port of the serpentine transmission wire, the signal receiving end is connected with an output port of the serpentine transmission wire, the serpentine transmission wire comprises a horizontal transmission wire and a vertical transmission wire, the horizontal transmission wire and the vertical transmission wire are perpendicularly arranged to form an integrated body, a wiring mode of the horizontal transmission wire or the vertical transmission wire is a serpentine wire. On the basis of odd mode coupling characteristics of the serpentine wire, compensation for self-contained effective characteristic impedance of a difference transmission signal is carried out, impedance matching is improved, and relatively low cost is realized.

Description

technical field [0001] The invention relates to the technical field of mobile terminals, in particular to a serpentine-based signal transmission system and a mobile terminal. Background technique [0002] In the prior art, the improvement of the signal transmission characteristics of the radio frequency circuit in the mobile terminal is mainly by adding the inductance and capacitance as the matching circuit, but the circuit quality factor caused by the parasitic parameters of the inductance and capacitance devices in the matching circuit is reduced, which will cause the matching effect decline. Contents of the invention [0003] The main purpose of the present invention is to propose a serpentine-based signal transmission system and mobile terminal, which can compensate the effective characteristic impedance of the differential transmission signal itself through the odd-mode coupling characteristics of the serpentine line, improve impedance matching, and cost less Low. ...

Claims

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Application Information

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IPC IPC(8): H04B1/40
CPCH04B1/40
Inventor 李劲松
Owner NUBIA TECHNOLOGY CO LTD