Abstract
The circuit and parameters of a measuring bench for precision measurement of the amplitude-frequency responses of four-pole networks in the 140-GHz band are discussed. Owing to the use of a sensitive superheterodyne receiver and radiation sources stabilized in frequency by a quartz frequency standard, the measuring bench provides a dynamic range no less than 120 dB and accuracy of frequency reading better than 1 MHz.
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Original Russian Text © L.V. Lubyako, A.P. Shkaev, Yu.A. Dryagin, 2006, published in Pribory i Tekhnika Eksperimenta, 2006, No. 6, pp. 89–91.
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Lubyako, L.V., Shkaev, A.P. & Dryagin, Y.A. A bench for precision measurement of rejection-filter frequency characteristics in the 2-mm wave band. Instrum Exp Tech 49, 824–826 (2006). https://doi.org/10.1134/S0020441206060091
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DOI: https://doi.org/10.1134/S0020441206060091