A Calibration Method for Measuring Mixer Group Delay Using Electronic Calibration Module
An electronic calibration piece and calibration method technology, applied in the field of testing, can solve the problems of limited measurement accuracy and complicated connection, achieve the effects of simple operation, ensure calibration accuracy, and reduce connectivity errors
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[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. 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.
[0039] The existing technical solutions for measuring the group delay of mixers have complex connections, require multiple additional mixers, and have limited measurement accuracy. The method of the present invention uses the electronic calibration unit and the vector network analyzer, and the combination of the vector network analyzer and the electronic calibration unit with fast and simple connection operation realizes the absolute measurement of the phase of...
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