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In order to eliminate the high frequency interference of the electronic measuring system and to increase the accuracy of the measured data in the wave model test, a 12--channel 5th order active low--pass filter is designed and made in our laboratory on the basis of using Chebyshev diagram. This filter gives a good result in the experiment. In this paper, the design of the filter, the selection of the elements and the character of the filter are described.
In order to eliminate the high frequency interference of the electronic measuring system and to increase the accuracy of the measured data in the wave model test, a 12 - channel 5th order active low - pass filter is designed and made in our laboratory on the basis of using Chebyshev diagram. This filter gives a good result in the experiment. In this paper, the design of the filter, the selection of the elements and the character of the filter are described.