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METHOD FOR SYNTHESIS OF MATCHING DEVICES IN A DISTRIBUTED ELEMENT BASIS FOR BROADBAND RADIO SYSTEMS WITH UNSTABLE LOAD IMPEDANCE

Authors: Boykachev P.; Vyrko S.;

METHOD FOR SYNTHESIS OF MATCHING DEVICES IN A DISTRIBUTED ELEMENT BASIS FOR BROADBAND RADIO SYSTEMS WITH UNSTABLE LOAD IMPEDANCE

Abstract

Abstract To solve the problem of synthesizing load matching circuits in a distributed elemental basis, the complex resistance of which has a non-stationary character in a wide operating frequency band, a new matching technique has been developed based on the sensitivity invariant apparatus in combination with the Richards and Kuroda transformation. Verification of the technique was carried out on the example of matching the active element with the output and input loads in Mitsubishi LD-MOSRD07 power amplifiers. Аннотация Для решения задачи синтеза цепей согласования нагрузок в распределенном элементном базисе, комплексное сопротивление которых имеет нестационарных характер в широкой полосе рабочих частот, разработана новая методика согласования на основе аппарата инварианта чувствительности в комбинации с преобразованием Ричардса и Куроды. Верификация методики произведена на примере согласования активного элемента с выходной и входной нагрузкой в усилители мощности LD-MOSRD07 компании Mitsubishi.

Список литературы: 1. Дубовик И.А., Методы синтеза согласующих цепей для широкополосных радиотехнических устройств c нестабильным импедансом нагрузки / И.А. Дубовик, П.В., Бойкачев, В.О. Исаев, А.А. Дмитренко // Доклады БГУИР. 2021;19(1):61-69. 14 2. B. S. Yarman, «Real frequency broadband matching using linear programming» RCA Review, т. 43, pp. 626-654, December 1982. 3. Ричардс, Пол И., Схемы резистивных линий передачи, труды IRE, том 36, iss.2, стр 217-220, 1948 4. . S. Yarman and A. Kilinc, "High precision LC ladder synthesis part I: Lowpass ladder synthesis via parametric approach," IEEE Transactions on Circuits and Systems, vol. 60, no. 8, pp. 2074-2083, 2013 5. Гилл Ф., Практическая оптимизация / Гилл Ф., Мюррей У., Райт М. // Мир.:1985.– 509 с.

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