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Detection method and system for AC coupling differential circuit receiver connection state

A connection state, AC coupling technology, applied in the field of communication, to achieve the effect of saving power consumption

Active Publication Date: 2010-06-02
XINHUASAN INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] Embodiments of the present invention provide a method and system for detecting the connection state of an AC-coupled differential circuit receiver to solve the problem that the input terminal of the AC-coupled differential circuit receiver in the prior art is a differential low-impedance parallel impedance matching, and there is no direct connection to ground Problems of Realizing Receiver Detection in Differential Signal Transmission Loop with Low Impedance Matching

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  • Detection method and system for AC coupling differential circuit receiver connection state
  • Detection method and system for AC coupling differential circuit receiver connection state
  • Detection method and system for AC coupling differential circuit receiver connection state

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Embodiment Construction

[0077] An embodiment of the present invention provides a detection system for the connection state of the AC-coupled differential circuit receiver, such as Figure 6 As shown, it includes: a transmitter and a receiver, and the transmitter and receiver are connected through an AC-coupled differential transmission line. The transmitter specifically includes: a sending circuit, a detection pulse generation circuit, a detection circuit and a receiver connection state determination circuit. The detection pulse generation circuit is used to generate synchronous and inverted pulse signals and respectively connected to the differential transmission lines of the transmission circuit; the detection circuit is respectively connected to the differential transmission lines of the transmission circuit for detection of pulse waveforms; the receiver connection status determination circuit is used to determine according to The detected pulse shape determines the connection status of the receiv...

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PUM

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Abstract

A method for detecting connection state of AC coupled differential circuit receiver includes switching in two detection pulses of synchronous and reverse phase mode separately to a pair of differential transmission lines, detecting pulse waveform in two lines of differential circuit and confirming connection state of said receiver to sender according to detected pulse waveform. The detection system used for realizing said method is also disclosed.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and system for detecting the connection state of a differential circuit receiver. Background technique [0002] There are a large number of electronic devices in the communication field, and the energy consumption cost of electronic devices is one of the largest costs of operation. Therefore, people pay more and more attention to the power loss during the operation of electronic devices. At the same time, as people pay more attention to environmental protection, they are also concerned that products with high energy consumption will consume a large amount of mineral energy, which will indirectly increase carbon dioxide emissions and aggravate the damage to the environment. Although, at present, there is no specific energy consumption index requirement for data communication products in the industry, according to various standard organizations such as the European ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/28G01R31/317
Inventor 王心远田浩
Owner XINHUASAN INFORMATION TECH CO LTD