Digital channel calibration device and method
A digital channel and calibration device technology, applied in measurement devices, electronic circuit testing, instruments, etc., can solve problems such as low calibration efficiency of digital channels, achieve the purpose and advantages of simple and easy-to-understand, and improve calibration efficiency.
Pending Publication Date: 2020-09-25
HANGZHOU CHANGCHUAN TECH CO LTD
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[0006] The embodiment of the present application provides a digital channel calibration device and method to at least solve the problem of low calibration efficiency of digital channels in the related art
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[0045] In order to make the objectives, technical solutions, and advantages of the embodiments of the present application clearer, the following describes and illustrates the embodiments of the present application with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the embodiments of the present application, and are not used to limit the embodiments of the present application. Based on the embodiments provided in the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the embodiments of the present application.
[0046] Obviously, the drawings in the following description are only some examples or embodiments of the embodiments of the present application. For those of ordinary skill in the art, without creative work, the present application can also be used acc...
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The invention relates to a digital channel calibration device and method, and the device comprises a first connection end, a second connection end, a sampling module, a switch module, and a calibration control module, wherein the first connecting end and the second connecting end are respectively used for connecting two terminals of a digital channel, and the first connecting end and the second connecting end are short-circuited; the first end of the sampling module is electrically connected with the first connecting terminal, and the second end of the sampling module is electrically connectedwith the switch module; the calibration control module comprises an output calibration unit, a measurement calibration unit and a control unit; the switch module is electrically connected with the input end and the output end of the output calibration unit, the output end of the measurement calibration unit, the control unit and the grounding end. Through the application of the method and the device, the problem of low calibration efficiency of the digital channel in related technologies is solved, and the technical effect of improving the calibration efficiency of the digital channel is realized.
Description
Technical field [0001] The embodiments of the present application relate to the technical field of test circuits, in particular to a digital channel calibration device and method. Background technique [0002] Integrated Circuit (Integrated Circuit, referred to as IC); as the name implies, a certain number of commonly used electronic components, such as resistors, capacitors, transistors, etc., as well as the connections between these components, are integrated with specific functions through semiconductor technology Circuit. With the rapid development of the integrated circuit industry, the working speed of integrated circuits continues to increase. Therefore, higher requirements are put forward for the measurement accuracy and output accuracy of the integrated circuit test system. [0003] The integrated circuit test system includes multiple digital channels, where a single digital channel is registered by the driver, comparator, adjustable load, and parameter measurement unit. ...
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IPC IPC(8): G01R31/28G01R35/00
CPCG01R31/2851G01R35/00
Inventor 王桥元钟锋浩
Owner HANGZHOU CHANGCHUAN TECH CO LTD