Parametric synthesis of matching four-poles in a feedback circuit of multistage amplifiers reflective type

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An algorithm has been developed for the parametric synthesis of reflective multistage amplifiers using reactive, resistive, mixed and complex matching four-poles connected to a feedback circuit. The possibilities of synthesizing such amplifiers using the reflection coefficient at the input and output of a radio device are considered. The interrelationships between the elements of the classical feedback transmission matrix, optimal according to the selected criterion, are determined. The frequency dependences of the resistances of the two-pole part of the indicated types of four-pole resistances are obtained, which are optimal according to the criterion of ensuring the specified frequency characteristics. Dual permutations have been established that make it possible to determine the input resistances for structural circuits of the “nonlinear part — additional four-pole” type with known expressions for the output resistances of structural circuits of the “additional four-pole — nonlinear part” type and vice versa. In this case, the theory of four-poles, methods of matrix algebra, parametric synthesis of microwave control devices, decomposition and mathematical analysis of the frequency characteristics of reflective amplifiers are used.

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作者简介

А. Golovkov

Military Training and Research Center of the Air Force “Military Air Academy named after Professor N.E. Zhukovsky and Yu.A. Gagarin”

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Email: 1360602@mail.ru
俄罗斯联邦, Voronezh

V. Golovkov

Military Training and Research Center of the Air Force “Military Air Academy named after Professor N.E. Zhukovsky and Yu.A. Gagarin”

Email: 1360602@mail.ru
俄罗斯联邦, Voronezh

参考

  1. Головков А.А., Фомин А.В. // Изв. вузов России. Радиоэлектроника. 2021. Т. 24. № 6. C. 27.
  2. Головков А.А., Головков В.А., Фомин А.В. // Сб. докл. 28-й Междунар. научн.-техн. конф. “Радиолокация, навигация, связь”. Воронеж: 27–20 сент. 2022 г. Воронеж: Издательский дом ВГУ, 2022. Т. 6. С. 115.
  3. Головков А.А. // Физика волновых процессов и радиотехнические системы. 2023. Т. 26. № 3. C. 20.
  4. Головков А.А. // Физика волновых процессов и радиотехнические системы. 2023. Т. 26. № 3. C. 40.
  5. Головков А.А., Головков В.А. Параметрический синтез радиотехнических устройств и систем. Воронеж: ВУНЦ ВВС “ВВА”, 2018.
  6. Гуревич И.В. Основы расчетов радиотехнических цепей (линейные цепи при гармонических воздействиях). М.: Связь, 1975.
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  8. Головков А.А. Синтез комплексированных радиоэлектронных устройств с управляемыми характеристиками и их использование в радиотехнических системах. Дисс. … докт. техн. наук. М.: Моск. энерг. ин-т (техн. ун-т), 1997. 386 с.

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2. Fig. 1. Structural diagrams of multi-stage radio devices with parallel voltage (a), series current (b), series voltage (c), parallel current (d) feedback circuits and a nonlinear part, connected between the frequency converter and the load.

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3. Fig. 2. Examples of synthesized midrange frequencies.

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4. Fig. 3. Equivalent circuit of a reflective amplifier with a reactive midrange in the digital signal processor (a) and its frequency characteristics (b), obtained in the “Mathcad” system.

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5. Fig. 4. Equivalent circuit of a reflective amplifier with a resistive midrange in the digital signal processor (a) and its frequency characteristics (b), obtained in the “Mathcad” system.

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6. Fig. 5. Equivalent circuit of a reflection amplifier with a mixed midrange in the digital signal processing system (a) and its frequency characteristics (b), obtained in the “Mathcad” system.

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7. Fig. 6. Equivalent circuit of a reflective amplifier with a complex midrange in the digital signal processing system (a) and its frequency characteristics (b), obtained in the “Mathcad” system.

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