A self-calibration method of 2/1 voltage division ratio of a voltage divider
A voltage divider and voltage divider ratio technology, applied in instruments, measuring devices, measuring electrical variables, etc., can solve the problems of failure of the second method, difficulty in finding a standard voltage divider, and complicated measurement process.
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[0039] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0040] The present invention proposes a method for self-calibrating a 2 / 1 voltage divider ratio by using a reference voltage divider. Using a reference voltage divider with a voltage divider ratio of k, the voltage divider ratio k of the measured voltage divider is realized. xself-calibration. Among them, the voltage division ratio k of the reference voltage divider is only a transition value, so it is not necessary to know the actual size of k, k and k x The size of is as long as it is close to 2 / 1. In the present invention, t...
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