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Drive unit, related transmission system and current driving method

A technology of transmission system and drive device, applied in the direction of baseband system components, etc., can solve the problem of wasteful power consumption and so on

Active Publication Date: 2014-10-15
ALICORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In other words, when there is no signal fed to the input of the network device and the transmission device does not need to modulate the signal on the transmission line, the transmission device will continue to generate a large amount of current, thereby wasting significant power consumption

Method used

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  • Drive unit, related transmission system and current driving method
  • Drive unit, related transmission system and current driving method
  • Drive unit, related transmission system and current driving method

Examples

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Embodiment Construction

[0043] Please refer to figure 1 , figure 1 It is a schematic diagram of a transmission system 10 according to an embodiment of the present invention. The transmission system 10 is used to drive a transmission line according to an input signal DIN (in this figure, an impedance RL is used to represent the equivalent impedance of the transmission line). Such as figure 1 As shown, the transmission system 10 includes a transformer (Transformer) 100 , a resistor unit 102 and a driving device 104 . The two ends of the transformer 100 are respectively coupled to the positive transmission terminal TXP and the negative transmission terminal TXN for driving the transmission line according to the positive driving current ITXP and the negative driving current ITXN. The resistance unit 102 is coupled to the positive transmission end TXP and the negative transmission end TXN, and is used for matching the impedance RL of the transmission line. The driving device 104 includes a first conve...

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Abstract

A drive unit for a transmission system contains a first conversion module, a control unit, a second conversion module and a negative current generation unit. The first conversion module contains a current source unit which is used for generating a first current and a second current according to a current indication signal in an input signal. The control unit is used for generating a control signal according to a level signal in the input signal. The second conversion module contains a positive current generation unit used for generating a positive drive current at a positive transmission end within a first time interval according to the control signal and the first current. The negative current generation unit is used for generating a negative drive current within a second time interval according to the control signal and the second current. The first time interval and the second time interval don't overlap.

Description

technical field [0001] The present invention relates to a driving device for a transmission system, in particular to a driving device capable of reducing the average driving current in the transmission system. Background technique [0002] With the advancement of science and technology, the application of the network has become more and more extensive, and it has become an indispensable part of people's daily life. And because various network applications (such as online multimedia applications) have increasingly stringent bandwidth requirements, the speed of network devices has gradually increased from 10 / 100Mbs to 1000Mbs (that is, 1Gbs). At different speeds, when a network device drives a transmission line, the signal on the transmission line will have different swings. Generally speaking, according to the differences in driving methods, the driving methods of the transmission device in the network device can be divided into current mode and voltage mode. [0003] When ...

Claims

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Application Information

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IPC IPC(8): H04L25/02
Inventor 许智渊吕健源
Owner ALICORP