Kissaka, MussaMgombelo, H. R.Ali, H. O.2016-03-042016-03-041990-06-21Mgombelo, H.R., Ali, H.O. & Kissaka, M.M. “New Impedance Transforming Rat-race Hybrid Ring”, Electronics Letters, 21st June 1990, Vol. 26, No. 13, pp. 837 - 839.0013-5194http://hdl.handle.net/123456789/597enStrip line componentsImpedance matchingMicrowave isolatorsImpedance convertorsJournal Article10.1049/el:19900549