Develop Quad-Band (1.57/2.45/3.5/5.2 GHz) Bandpass Filters on the Ceramic Substrate

作者：Cheng Chien Min^*; Yang Cheng Fu

来源：IEEE Microwave and Wireless Components Letters, 2010, 20(5): 268-270.

DOI：10.1109/LMWC.2010.2045585

• Defected ground structure (DGS)
• end-coupled
• U-shaped resonator

By the use of screen-printing technique, four kinds of basic structures (outer-frame, U-shaped resonator, modified end-coupled microstrip line, and defected ground structures) are combined to develop a miniature quad-band bandpass filter on a MgTa(1.5)Nb(0.5)O(6) microwave ceramic substrate. The operating frequencies are designed for the applications of the modern GPS (1.57 GHz), WiMAX (3.5 GHz) and WLAN (2.45/5.2 GHz) systems, and the design procedures are discussed in detail and both of the simulated and measured results are presented.

• 出版日期2010-5