Nejad VI, Lotfi-Neyestanak AA, Shahzadi A. Miniaturization of a Broadband Quadrature Hybrid Coupler Using ?-Model Transformation-Based Artificial Transmission Line. ACES Journal [Internet]. 2021 Aug. 18 [cited 2026 May 7];31(03):304-8. Available from: https://journals.riverpublishers.com/index.php/ACES/article/view/10207