SEDIGHY, S. H. .; KHALAJ-AMIRHOSSEINI, M. . Compact Branch Line Coupler using Step Impedance Transmission Lines (SITLs). Applied Computational Electromagnetics Society Journal (ACES), [S. l.], v. 28, n. 09, p. 866–87, 2021. Disponível em: https://journals.riverpublishers.com/index.php/ACES/article/view/11451. Acesso em: 22 apr. 2026.