Single-line communication circuit

A communication circuit, single-wire technology, applied in the field of communication, can solve the problems of weak anti-interference ability, weak driving ability, short transmission distance, etc.

Active Publication Date: 2017-11-24
ZHEJIANG MENRED COMFORT SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In view of this, the present invention proposes a single-wire communication circuit to solve the problems of weak driving ability, short transmission distance, low baud rate and weak anti-interference ability of the existing single-wire communication circuit

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Embodiment Construction

[0019] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present invention, but 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 making creative efforts belong to the protection scope of the present invention.

[0020] In the description of the present invention, it should be noted that the terms "first", "second", "third" and so on are only used for descriptive purposes, and should not be understood as indicating or implying relative importance.

[0021] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be I...

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Abstract

The invention provides a single-line communication circuit, comprising a data sending circuit; the data sending circuit comprises a level conversion module and a push-pull output module; the level conversion module is used for receiving input signals of a first input end and control signals of a control end, performing level conversion on the input signals according to the control signals, and transmitting the signals after the level conversion to the push-pull output module; the push-pull output module is used for receiving the signals after the level conversion and transmitting the signals to the output end, and the push-pull output module comprises a third transistor and a fourth transistor in push-pull connection. The single-line communication circuit has the advantages of strong drive capability, long transmission distance, high baud rate and strong anti-interference capability.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a single-wire communication circuit. Background technique [0002] Because the two-wire and three-wire communication methods make the wiring between devices complicated and costly, the single-wire communication method is becoming more and more mainstream. The existing single-wire communication circuit adopts a single triode resistance pull-up mode for output, which has weak driving ability, short transmission distance, low baud rate and weak anti-interference ability. Contents of the invention [0003] In view of this, the present invention proposes a single-wire communication circuit to solve the problems of weak driving ability, short transmission distance, low baud rate and weak anti-interference ability of the existing single-wire communication circuit. [0004] To achieve the above object, the present invention adopts the following technical solutions: [0005] The...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/40H03K19/0185
CPCH03K19/0185H04B1/40
Inventor 陈童静陈立楠王朝李海孟
Owner ZHEJIANG MENRED COMFORT SYST
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