El-Tanani M A, Rebeiz G M. Corrugated microstrip coupled lines for constant absolute bandwidth tunable filters[J]. IEEE Transactions on Microwave Theory and Techniques, 2010, 58(4):956-963.
[2]
Zhang H L, Zhang X Y, Hu B J. Tunable bandpass filters with constant absolute bandwidth[C]//Proceedings of International Symposium on Antennas Propagation and EM Theory. Guangzhou:[s.n.], 2010:1200-1203.
[3]
Hong J S, Lancaster M J. Microstrip filters for RF/microwave applications[M]. 2nd ed[S.l.]: John Wiley & Sons, 2011.
[4]
Eisenstadt W R, Stengel B, Eisenstadt B M T. Microwave differential circuit design using mixed-mode S-parameters[M]. Boston, USA: Artech House, 2006.
[5]
Kim S G, Chang K. Ultra wide-band transitions and new microwave components using double-sided parallel-strip lines[J]. IEEE Transactions on Microwave Theory and Techniques, 2004, 52(9):2148-2152.
[6]
Wheeler H A. Transmission-line properties of parallel strips separated by a dielectric sheet[J]. IEEE Transactions on Microwave Theory and Techniques, 1965, 13(2):172-185.
[7]
唐慧,周立衡,陈建新.基于平行带线的新型强阻带抑制带通滤波器[J].南通大学学报:自然科学版,2011,10(3):1-4. Tang Hui,Zhou Liheng,Chen Jianxin. A novel bandpass filter with enhanced stopband rejection based on double-sided parallel-strip lines[J]. Journal of Nantong University:Natural Science Edition,2011,10(3):1-4.(in Chinese)
[8]
Chen J X, Lau K W, Xue Q. A double-sided parallel-strip lines push-pull oscillator[J]. IEEE Microwave and Wireless Components Letters, 2008, 18(5):335-337.
[9]
Chen J X, Chin C H K, Xue Q. Double-sided parallel-strip lines with an inserted conductor plane and its applications[J]. IEEE Transactions on Microwave Theory and Techniques, 2007, 55(9):1899-1904.
[10]
Chen J X, Li J, Xue Q. Lowpass filter using offset double-sided parallel-strip lines[J]. Electronics Letters, 2005, 41(24):1336-1337.
[11]
Lin Z, Chu Q X, Lin F. A new dual band power divider with extreme power dividing ratio[J]. Journal of Electromagnetic Waves and Applications, 2011, 5(6):673-681.
[12]
杨国彪, 车文荃, 顾黎明.一种带有反相单元的小型化宽带双面平行带线混合环[J].电子学报, 2011, 39(6):1452-1455. Yang Guobiao, Che Wenquan, Gu Limin. A miniatur-ized wideband double-sided parallel-strip lines(DSPSL) hybrid coupler with phase inverter[J]. Acta Electronica Sinica, 2011, 39(6):1452-1455.(in Chinese)
[13]
Wang X H, Xue Q, Choi W W. A novel ultra-wideband differential filter based on double-sided parallel-strip lines[J]. IEEE Microwave and Wireless Components Letters, 2010, 20(8):471-473.
[14]
Feng W, Che W Q, Elibert T F, et al. Compact wideband differential bandpass filter based on the double-sided parallel-strip lines and transversal signal-interaction concepts[J]. IET Microwaves Antennas and Propagation, 2012, 6(2):186-195.
[15]
苗宇航, 李斌, 李厚民, 等.基于DSPSL的电可重构平面带通滤波器[J].微波学报, 2012, S2:478-481. Miao Yuhang, Li Bin, Li Houmin, et al. Novel tunable planar bandpass filter using double-sided parallel-strip lines[J]. Journal of Microwaves, 2012, S2: 478-481.(in Chinese)
[16]
Hunter I, Rhodes J D. Electronically tunable microwave bandpass filters[J]. IEEE Transactions on Microwave Theory and Techniques, 1982, 30(9):1354-1360.
[17]
Kim B W, Yun S W. Varactor-tuned combline bandpass filter using step-impedance microstrip lines[J]. IEEE Transactions on Microwave Theory and Techniques, 2004, 52(4):1279-1283.
[18]
Chung M S, Kim I S, Yun S W. Varactor-tuned hairpin bandpass filter with enhanced stopband performance[C]//Proceedings of Asia-Pacific Microwave Conference. Yokohama:[s.n.], 2006:645-648.
[19]
Park S J, Rebeiz G M. Low-loss two-pole tunable filters with three different predefined bandwidth characteristics[J]. IEEE Transactions on Microwave Theory and Techniques, 2008, 56(5):1137-1148.