Adapter for converting LVDS (Low Voltage Differential Signaling) into USB3.0

A technology of adapter and USB interface, which is applied in the field of LVDS to USB3.0 adapter, can solve problems such as being unable to directly connect to a laptop, and achieve the effects of reducing complexity, volume, and cost

Active Publication Date: 2020-05-01
HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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  • Abstract
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  • Application Information

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Problems solved by technology

Solved the problem that the spectrometer with standard aviation interface cannot be directly connected to the laptop computer of the ground inspection platform during the development process

Method used

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  • Adapter for converting LVDS (Low Voltage Differential Signaling) into USB3.0
  • Adapter for converting LVDS (Low Voltage Differential Signaling) into USB3.0
  • Adapter for converting LVDS (Low Voltage Differential Signaling) into USB3.0

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Embodiment Construction

[0044] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with 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 making creative efforts belong to the protection scope of the present invention.

[0045] At present, the existing spaceborne or airborne DOAS imaging spectrometer equipment adopts standard aviation interface. The airborne and spaceborne spectrometer developed in the laboratory adopts LVDS interface for data transmission, and RS-422 interface for digital tubes. The connection method is as follows: figure 1 shown.

[0046] It can be seen from the structure diagram that the interface of the DOAS imaging spectrometer system consists...

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Abstract

The invention discloses an adapter for converting LVDS (Low Voltage Differential Signaling) into USB3.0 (Universal Serial Bus 3.0). The device comprises an FPGA (Field Programmable Gate Array) chip XC3S400, a USB (Universal Serial Bus) interface chip CYUSB3014, an LVDS (Low Voltage Differential Signaling) receiver DS90LV031 and an RS-422 driver DS26LV31, and further comprises an LVDS data transmission interface, an RS422 digital tube interface and a USB3.0 interface, the LVDS-to-USB 3.0 adapter is used for directly receiving LVDS serial image data sent by a spectrograph when a satellite-borneor airborne spectrograph is connected with a ground detection platform, and converting the LVDS serial image data into USB interface data which can be recognized by the ground detection platform. Moreover, the ground detection platform can send RS-422 data tube control instructions, such as image start and stop, exposure time, gain and other control commands, time code information, satellite or airplane simulation attitude and other information to the spectrograph through the adapter by using the same USB interface at the same time. The problem that a spectrograph with a standard aviation interface cannot be directly connected with a notebook computer of a ground detection platform on the ground in the development process is solved.

Description

technical field [0001] The invention relates to the field of circuit interfaces, in particular to an LVDS-to-USB3.0 adapter. Background technique [0002] DOAS imaging spectrometers are commonly used in air pollution monitoring and can be applied to a variety of platforms, such as ground-based remote sensing platforms, airborne remote sensing platforms, and spaceborne remote sensing platforms. Among them, airborne and spaceborne remote sensing platforms usually use standard aviation interfaces, and in the process of developing airborne or spaceborne spectrometers, they need to be debugged and tested on the ground first, including functional tests, performance tests, and technical index tests. The design of the ground detection platform needs to be completed before the development of the spectrometer is completed. The platform is used to provide the analog interface of the spectrometer, and to debug and test the spectrometer equipment. In the past, this type of detection pl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/38G06F13/42
CPCG06F13/382G06F13/4282G06F2213/0042Y02D10/00
Inventor 邱晓晗王煜司福棋
Owner HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI
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