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Digital signal transmission circuit and digital signal transmission device

A digital signal and transmission circuit technology, applied in the field of signal transmission, can solve problems such as receiving wrong signals at the transmitter and receiver, and achieve the effects of improving anti-interference ability, saving PCB space, and saving costs

Active Publication Date: 2021-11-23
SUZHOU INOVANCE CONTROL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, if the digital signal is transmitted in a voltage mode, once the applied electromagnetic environment is complex, the transmitting end is susceptible to electromagnetic interference and the receiving end receives an error signal.

Method used

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  • Digital signal transmission circuit and digital signal transmission device
  • Digital signal transmission circuit and digital signal transmission device
  • Digital signal transmission circuit and digital signal transmission device

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Embodiment Construction

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0048] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

[0049]In addition, if there are descriptions involving "first", "second" and s...

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Abstract

The invention provides a digital signal transmission circuit and a digital signal transmission device. The digital signal transmission circuit comprises a power supply and sampling circuit, which is provided with a power supply output end and a signal sampling end; a voltage and current conversion circuit, which is connected to a power supply through the power supply output end of the power supply and sampling circuit, wherein the signal input end of the voltage and current conversion circuit is used for receiving digital signals, and the output end of the voltage and current conversion circuit is connected with the signal sampling end of the power supply and sampling circuit; and a signal output circuit, which is connected with the output end of the power supply and sampling circuit. According to the technical scheme, the anti-interference capability in the digital signal transmission process can be improved, and the reliability of digital signal transmission is improved.

Description

technical field [0001] The invention relates to the technical field of signal transmission, in particular to a digital signal transmission circuit and a digital signal transmission device. Background technique [0002] At present, digital signals are mainly transmitted through an open-collector voltage mode (a power supply, a signal line, and a ground wire). The open-collector voltage mode uses voltage to transmit digital signals. [0003] However, if the digital signal is transmitted in a voltage mode, once the applied electromagnetic environment is complex, the transmitting end is susceptible to electromagnetic interference and the receiving end receives an error signal. Contents of the invention [0004] The present invention proposes a digital signal transmission circuit and a digital signal transmission device, aiming at improving the anti-interference capability of the digital signal transmission process and improving the reliability of the digital signal transmissio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/40
CPCH04B1/40
Inventor 杨泽浩孙伟揭光超柏子平
Owner SUZHOU INOVANCE CONTROL TECH CO LTD
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