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A signal transmission system and mobile terminal based on serpentine lines

A technology of signal transmission system and serpentine line, which is applied in the direction of transmission system, telephone communication, telephone structure, etc., and can solve problems such as denoising failure

Active Publication Date: 2020-06-05
亳州鼎源科技信息有限公司
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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 power supply characteristics of the signal power amplifier circuit in the radio frequency circuit in the mobile terminal is mainly to improve the power supply ripple and noise through filter elements or decoupling elements, but due to the parasitic parameters of the filter elements and decoupling elements, there will be Possibility of causing denoising failure

Method used

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  • A signal transmission system and mobile terminal based on serpentine lines
  • A signal transmission system and mobile terminal based on serpentine lines
  • A signal transmission system and mobile terminal based on serpentine lines

Examples

Experimental program
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Embodiment 1

[0058] Such as image 3 As shown, in this embodiment, a serpentine-based signal transmission system includes: a first coupled serpentine 10 and a second coupled serpentine 20, the first coupled serpentine and the second coupled serpentine The routing mode of the serpentine lines is all serpentine lines, the first coupled serpentine line includes a first serpentine transmission line and a first coupled line, and the first coupled line covers the first serpentine transmission line On the outer diameter, the second coupled serpentine line includes a second serpentine transmission line and a second coupled line, the second coupled line covers the outer diameter of the second serpentine transmission line, and the first serpentine shaped transmission line is arranged in parallel with the second serpentine transmission line; the midpoint of the first coupled line is provided with a first breakpoint, and one end of the first breakpoint is connected to one end of the first forward elec...

Embodiment 2

[0086] 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 perform capacitive compensation for the cavity structure formed by the power supply loop through the odd-mode coupling characteristics of the serpentine line, improve the impedance of the power supply loop, and reduce the power supply Noise and low cost.

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Abstract

The invention discloses a signal transmission system based on snake-shaped lines and a mobile terminal and relates to the technical field of mobile terminals. The system comprises a first coupling snake-shaped line and a second coupling snake-shaped line, wherein line arrangement manners are snake-shaped lines; the first coupling snake-shaped line comprises a first snake-shaped transmission line and a first coupling line; the first coupling line covers an outer diameter of the first snake-shaped transmission line; the second coupling snake-shaped line comprises a second snake-shaped transmission line and a second coupling line; the second coupling line covers the outer diameter of the second snake-shaped transmission line; and the first snake-shaped transmission line and the second snake-shaped transmission line are arranged in parallel. By utilizing an odd-mode coupling property of the snake-shaped lines, capacitive compensation is carried out on a cavity structure formed by a power supply circuit and the resistance of the power supply circuit is improved; the noise of a power supply is reduced and the cost is relatively low.

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 power supply characteristics of the signal power amplifier circuit in the radio frequency circuit in the mobile terminal is mainly to improve the power supply ripple and noise through filter elements or decoupling elements, but due to the parasitic parameters of the filter elements and decoupling elements, there will be The possibility of causing denoising failure. Contents of the invention [0003] The main purpose of the present invention is to propose a signal transmission system and mobile terminal based on serpentine lines, which can perform capacitive compensation for the cavity structure formed by the power supply loop through the odd-mode coupling characteristics of the serpentine line, and improve the impedance of the powe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04M1/02H04B1/04H04B1/16
CPCH04B1/04H04B1/1607H04B2001/0408H04B2001/045H04M1/026
Inventor 李劲松
Owner 亳州鼎源科技信息有限公司