Oborzhytskyy, V. I.Prudyus, I. N.2010-06-152010-06-152009Oborzhytskyy V. I. The use of equivalent replacement method for design of dual-frequency balanced devices / V. I. Oborzhytskyy, I. N. Prudyus // Теорія та техніка антен : матеріали 7-ої Міжнародної конференції, 9–12 червня 2009 року, Львів, Україна. – Львів : Видавництво Національного університету "Львівська політехніка", 2009. – C. 99–101. – Bibliography: 6 titles.https://ena.lpnu.ua/handle/ntb/5193A few variants of reactive two-port circuits which are rationally to use for design of dual-frequency microwave balanced devices by the replacement of transmission line segments in their structure to these two-ports are offered in the work. The formulas for two-ports electrical parameters computation and examples of their application are resulted.endual-frequency devicedual-band devicebranch-line couplerhybrid ring coupler3 dB power dividerArticle