L. М. Karpukov, R. Y. Korolkov


The method of synthesis of stub lowpass filters with Chebyshev characteristic that does not use filters prototypes is proposed. This method is used to solve the problem of synthesizing a lowpass filter with a symmetrical structure, being composed of quarter wavelength transmission lines and open-circuit stubs. In the process of solving this task are defined model elements of the filter structure. Composed filtering function to ensure equal characteristics. A procedure for the synthesis, starting with the choice of filter elements and ending with the determination of their impedances. A comparison of the results of synthesis of the proposed direct method and a method that uses the prototype filter, show the advantages of the proposed method.


разомкнутый шлейф, фильтр, функция фильтрации, четвертьволновой отрезок линии.


Hong, J-S. Microstrip filters for RF/microwave applications. – Hoboken / Jia-Sheng Hong. – New York : John Wiley & Sons, Inc., 2011. – 635 p.

Cameron, R. J. Microwave filters for communication systems: fundamentals, design, and applications. – Hoboken / R. J. Cameron, C. M. Kudsia, R. R. Mansour. – New York : Wiley & Sons, Inc., 2007. – 771 p.

Levy, R. Design of Microwave Filters / R. Levy, R. V. Snyder, G. Matthaei // IEEE Trans. Microwave Theory Tech. – 2002. – Vol. 50, No. 3. – P. 783–793.

Lin-Chuan, Tsai. Dual-Band Band-Pass Filters Using Equallength Coupled-Serial-Shunted Lines and Z-Transform Technique / Lin-Chuan Tsai, Ching-Wen Hsue // IEEE Trans. Microwave Theory Tech . – 2004. – Vol. 52, No. 4. – P. 1111–1117.

Da-Chiang, Chang Design and Implementation of Filters Using Transfer Functions in the Z Domain / Da-Chiang Chang, Ching-Wen Hsue // IEEE Trans. Microwave Theory Tech. – 2001. – Vol. 49, No. 5. – P. 979–985.

Карпуков, Л. М. Прямой метод синтеза полосно-пропускающих шлейфовых фильтров с чебышевской характеристикой / Л. М. Карпуков, Р. Ю. Корольков // Радиотехника. – 2012. – Вып. 171. – С. 300–305.

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