Roberto Gómez-García, José Maria Muñoz-Ferreras, Dimitra Psychogiou. Input-Reflectionless Out-of-Phase 3-dB Bandpass Filtering Couplers. In IEEE Radio and Wireless Symposium, RWS 2019, Orlando, FL, USA, January 20-23, 2019. pages 1-4, IEEE, 2019. [doi]
Abstract is missing.