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Configurable high-speed LVDS driver with short-circuit self-protection function

A drive and self-protection technology, which is applied in the direction of emergency protection circuit devices, instruments, electrical components, etc., can solve the problems of difficult to control the output amplitude of high-speed drives and poor effects

Pending Publication Date: 2021-04-16
BEIJING MXTRONICS CORP +1
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  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] The technical problem solved by the present invention is: Aiming at the problems of poor output common mode control effect of traditional high-speed signal drivers, difficulty in controlling the output amplitude of high-speed drivers and short-circuit protection function in the current prior art, a short-circuit self-protection function is proposed. Configure high-speed LVDS drivers

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  • Configurable high-speed LVDS driver with short-circuit self-protection function
  • Configurable high-speed LVDS driver with short-circuit self-protection function
  • Configurable high-speed LVDS driver with short-circuit self-protection function

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Embodiment Construction

[0025] A configurable high-speed LVDS driver with short-circuit self-protection function, which significantly improves the common-mode stability of the driver output. By flexibly adjusting the driver output common-mode voltage and output impedance, it can meet the high-quality output of LVDS signals in different transmission scenarios and improve the practicality of the circuit. and the introduction of the short-circuit self-protection function of the driver, which improves the reliability and safety of the circuit work, mainly including the controller, driver, resistor array, and short-circuit protection circuit, specifically:

[0026] The controller receives external input data D to generate control signals G1~G4, and the controller receives external input data D to generate control signals G1~G4. The resistor array is used to set the output internal resistance of the driver and detect the output common mode voltage of the driver. The short circuit protection circuit is ba...

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Abstract

A configurable high-speed LVDS driver with a short-circuit self-protection function comprises a controller, a driver body, a resistor array and a short-circuit protection circuit; the output common-mode stability of the driver body is remarkably improved, high-quality output of LVDS signals under different transmission scenes can be met by flexibly adjusting the output common-mode voltage and output impedance of the driver body, and the practicability of the circuit is improved; and a driver short-circuit self-protection function is introduced, so that the working reliability and safety of the circuit are improved.

Description

technical field [0001] The invention relates to a configurable high-speed LVDS driver with a short-circuit self-protection function, belonging to the technical field of high-speed data interfaces. Background technique [0002] The data transmission rate of military electronic equipment such as broadband communication, radar navigation, and electronic countermeasures continues to increase, and higher requirements are placed on high-speed data transmission interfaces. LVDS interfaces are widely used due to their advantages such as high speed, low power consumption, and low noise. The LVDS interface output driver realizes the output of the high-speed signal generated by the circuit to the channel, and realizes the high-quality transmission of the high-speed signal. The output common mode level, output impedance, and output signal amplitude of the driver circuit directly affect the quality of the driver output signal, and the requirements for the driver are also different for di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/40H02H7/00
CPCY02D10/00
Inventor 张雷侯贺刚张铁良彭新芒王金豪任艳管海涛韩东群孙丹朱泽华吴祖亚
Owner BEIJING MXTRONICS CORP
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