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Onboard equipment high-voltage digital-to-analog conversion and test device

A technology of digital-to-analog conversion and airborne equipment, applied in the direction of digital-to-analog converter, analog/digital conversion, analog/digital conversion calibration/test, etc., can solve the complex transmission of digital-to-analog conversion and reduce high-voltage digital-analog Problems such as conversion reliability and the lack of simple and effective inspection of digital-to-analog conversion results have achieved the effect of improving conversion accuracy and ensuring timely and reliable transmission

Active Publication Date: 2019-03-22
LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC
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  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of complex digital-to-analog conversion and transmission of high-voltage airborne signals, which brings great limitations to the design, and lacks simple and effective inspection of high-voltage digital-to-analog conversion results, reducing the In order to solve the above technical problems

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  • Onboard equipment high-voltage digital-to-analog conversion and test device

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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0021] The invention is a high-voltage digital-to-analog conversion and inspection device for airborne equipment; the high-voltage digital-to-analog conversion and inspection method for airborne equipment can not only effectively perform digital-to-analog conversion on airborne high-voltage signals, but also improve the precision of digital-to-analog conversion and the reliability of digital-to-analog conversion, reduce the influence of other airborne signals on the digital-to-analog conversion, and can effectively and reliably verify the output results of high-voltage digital-to-analog conversion.

[0022] A high-voltage digital-to-analog conversion and inspection device for airborne equipment, comprising an adjustable precision reference voltage source, a high-voltage digital-to-analog conversion circuit, and a high-voltage digital-to-analog conversion...

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Abstract

The invention provides an onboard equipment high-voltage digital-to-analog conversion and test device. After being input into an adjustable precise reference voltage source, a digital signal enters ahigh-voltage digital-to-analog conversion circuit from the output end of the adjustable precise reference voltage source, and the output end of the high-voltage digital-to-analog conversion circuit isconnected with a high-voltage digital-to-analog conversion result test circuit. The reliability of the onboard high-voltage signal conversion can be guaranteed, the boundedness that the high-voltagesignal digital-to-analog conversion result is free from simple, effective and reliable test is effectively overcome. The onboard equipment high-voltage digital-to-analog conversion and test device disclosed by the invention is reliable in design principle, simple in design circuit form realization, and has extensive application prospect.

Description

technical field [0001] The invention relates to the technical field of airborne equipment, and relates to an airborne signal conversion device. Background technique [0002] In the process of signal transmission between airborne devices, digital-to-analog conversion is in a very important position, especially among some airborne devices, digital-to-analog conversion of high-voltage signals is also required to complete the intended functions of these airborne devices. plays a vital role. [0003] The digital-to-analog conversion in the prior art devices is mostly low-voltage digital-to-analog conversion, and this digital-to-analog conversion method is limited to low-voltage digital-to-analog conversion transmission between devices. When it is necessary to perform digital-to-analog conversion and transmission of high-voltage airborne signals, it is often complicated, and it is easy to cause circuit misalignment and cut-off saturation of the circuit, which brings great limitat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03M1/10H03M1/66
CPCH03M1/1095H03M1/66
Inventor 李刚王晗贺永胜
Owner LUOYANG INST OF ELECTRO OPTICAL EQUIP OF AVIC