http://orcid.org/0000-0003-3276-8463
References
- Luzzatto G. A general 180-degree hybrid ring. IEEE Trans Broadcast. 1968;BC-14(1):41–43.
- Bhuiyan MD Sh, Karmakar N Ch. Miniaturized microstrip ring hybrid with defected microstrip structure. Microwave Opt Tech Lett. 2013;55:2245–2248.
- Zheng L-Z, Tseng J-D, Wu B-S. Hybrid type rat-race coupler designs. Asia-Pacific Symposium on Electromagnetic Compatibility (APEMC); 2015. p. 724–727.
- Lee H, Kim D, Kim D, et al. 7.5-GHz uniplanar 180° hybrid coupler on flexible polyimide substrate. J Electromag Waves Appl. 2017;31(1):38–46.
- Chang ChY, Yang ChCh. A novel broad-band chebyshev-response rat-race coupler. IEEE Trans Microwave Theory Tech. 1999;47(4):455–462.10.1109/22.754879
- Lin F, Chu Q-X, Wong SW. Compact broadband microstrip rat-race couplers using microstrip/slotline phase inverters for arbitrary power-dividing ratios. J Electromag Waves Appl. 2012;26:17–18.
- March S. A wide-band stripline hybrid ring. IEEE Trans Microwave Theory Tech. 1968;MTT-16:361–361.
- Walker JLB. Improvements to the design of the 0-180° rat race coupler and its application to the design of balanced mixers with high LO to RF isolation. Proceedings of the MTT –S International Microwave Symposium Digest, Vol. 2; 1997. p. 747–750.
- Liu G-Q, Wu L-S, Yin W-Y. A compact microstrip rat-race coupler with modified Lange and t-shape arms. Prog Electromagn Res. 2011;115:509–523.10.2528/PIER11032003
- Napijalo V. Coupled line 180° hybrids with Lange couplers. IEEE Trans Microwave Theory Tech. 2012;60(12):3674–3682.10.1109/TMTT.2012.2217980
- Gruszczynski S, Wincza K. Broadband rat-race couplers with coupled-line section and impedance transformers. IEEE Microwave Wireless Compon Lett. 2012;22(1):22–24.10.1109/LMWC.2011.2177649
- Goto Y, Kobayashi N, Fujishima M. On-chip rat-race balun with stubs for matching arbitrary terminal impedances. Bangkok: APMC; 2007. p. 1–4.
- Mgombelo HR, Ali HO, Kissaka MM. New impedance transforming rat-race hybrid ring. Electron Lett. 1990;26:837–839.10.1049/el:19900549
- Ahn HR, Nam S. Wideband microstrip coupled-line ring hybrids for high power-division ratios. IEEE Trans Microwave Theory Tech. 2013;61(5):1768–1780.
- He Q, Liu YA, Li SL, et al. A novel 180° rat-race hybrid with arbitrary power division for complex impedances. J Electromag Waves Appl. 2012;27(3):318–329.
- Firckey DA. Conversions between S, Z, Y, h, ABCD, and T Parameters which are valid for complex source and load impedances. IEEE Trans Microwave Theory Tech. 1994;42:205–211.
- Chou PJ, Lin YW, Chang ChY. Exact synthesis of full- and half-symmetric rat-race ring hybrids with or without impedance transforming characteristics. IEEE Trans Microwave Theory Tech. 1990;63:3971–3980.10.1109/TMTT.2015.2486278
- Jensen T, Zhurbenko V, Krozer V, et al. Coupled transmission lines as impedance transformer. IEEE Trans Microwave Theory Tech. 2007;55(12):2957–2965.10.1109/TMTT.2007.909617