附件一報(bào)告撰寫格式及樣本-全文預(yù)覽
【正文】 size and simple design properties are attractive in MIC/MMIC applications. REFERENCES [1] C. H. Ho, L. Fan, and K. Chang, ”Broadband uniplanar hybridring and branchline couplers”, IEEE Trans. Microwave Theory Tech., vol. 41, pp. 21162125, Dec. 1993. [2] C. H. Ho, L. Fan, and K. Chang, ”New uniplanar coplanar waveguide hybridring couplers and magicT’s”, IEEE Trans. Microwave Theory Tech., vol. 42, pp. 24402448, Dec. 1994. [3] T. Wang and K. Wu, ”Sizereduction and bandbroadening design technique of uniplanar hybrid ring coupler using phase inverter for M(H)MIC’s”, IEEE Trans. Microwave Theory Tech., vol. 47, pp. 198206, Feb. 1999. [4] K. Hettak, J. Ph. Coupez, A. Sheta, T. Le Gouguec, and S. Toutain, ”Practical design of uniplanar broadband subsystems application to a wideband hybrid magic tee”, in IEEE MTTS Int. Microwave Symp. Dig., pp. 915918, 1994. [5] C. H. Ho, L. Fan, and K. Chang, “Experimental investigations of CPWslotline 7 transitions for uniplanar microwave integrated circuits”, in IEEE MTTS Int. Microwave Symp. Dig., pp. 877880, 1993. [6] Y. S. Lin and C. H. Chen, Design and modeling of twinspiral coplanar waveguidetoslotline transitions, IEEE Trans. Microwave Theory Tech., vol. 48, pp. 463466, March 20xx. [7] T. Wang, Z. Ou, and K. Wu, “Experimental study of wideband uniplanar phase inverters for MIC’s,” in IEEE MTTS Int. Microwave Symp. Dig., pp. 777780, 1997. 8 Fig. 1. Uniplanar phase inverters, (a) singlespiral type and (b) twinspiral type. ( mmWr ? , mmSr ? , mmWg ? , mmdh 61 ? , h 15132 ? , mmdsp ? , mmLsp ? , mmWs 1? , mmdts ? , mmdh 6? , mmLts ? . ) (b) spLgW1hd2hdspdrW rStsLtsdhgw sw rW rS(b) (a) 9 Fig. 2. Measured insertion loss, return loss, and normalized power loss for singlespiral and twinspiral type phase inverters. 151050Insertion Loss (dB)twins piral ty pe50403020100Return Loss (dB)1 2 3Frequency (GHz)0Normalized PowerLosssingle spira l t y pe 10 Fig. 3. Configuration of twinspiral type hybridring couple
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