[1] [1] PSYCHOGIOU D,GOMEZ-GARCIA R,PEROULIS D.Single and multiband acoustic-wave-lumped-element-resonator(AWLR) bandpass filters with reconfigurable transfer function［J］.IEEE Transactions on Microwave Theory & Techniques,2016,64(12):4394-4404.

[2] [2] PSYCHOGIOU D,GOMEZ-GARCIA R,PEROOULIS D.Coupling-matrix-based design of high-bandpass filters using Acoustic-Wave Lumped-Element-Resonator (AWLR) modules［J］.Microwave Theory and Techniques,IEEE Transactions on,2015,63(12):4319-4328.

[3] [3] HONG J S.Microstrip filters for RF/microwave applications［M］.USA:John Wiley & Sons,2004.

[6] [6] PSYCHOGIOU D,GMEZ-GARCA R,PEROULIS D.Acoustic-wave-lumped-element-resonator filters withequi-ripple absorptive stopbands［J］.IEEE Microwave and Wireless Components Letters,2016,26(3):177-179.

[7] [7] RUPPEL,CLEMENS C W.Acoustic wave filter technology-A review［J］.IEEE Transactions on Ultrasonics,Ferroelectrics,and Frequency Control,2017,64(9):1390-1400.