Denis A. Letavin, Ilya A. Terebov. Investigation of a Broadband Five-Stub 3 dB Coupler Using Microstrip Cells. In IEEE East-West Design & Test Symposium, EWDTS 2020, Varna, Bulgaria, September 4-7, 2020. pages 1-3, IEEE, 2020. [doi]
Abstract is missing.