Dual-band bandpass filters using equal-length coupled-serial-shunted lines and Z-transform technique

@article{citeulike:2782008, abstract = {A synthesizing method is presented to design and implement digital dual-band filters in the microwave frequency range. A dual-band filter consists of a bandstop filter and a wide-band bandpass filter in a cascade connection, wherein the transfer functions of both the bandpass filter and bandstop filter are expressed in the Z domain. The bandstop filter is implemented by using a coupled-serial-shunted line structure, while the wide-band bandpass filter is constructed by using a serial-shunted line configuration. In particular, the bandwidth of each passband of the dual-band filter is controllable by adjusting the characteristics of both the bandpass filter and bandstop filter. By neglecting the dispersion effect between microstrip lines of different widths over a wide bandwidth, a dual-band filter is realized in the form of microstrip lines and its frequency responses are measured to validate this method.}, author = {Tsai, Lin-Chuan and Hsue, Ching-Wen }, booktitle = {Microwave Theory and Techniques, IEEE Transactions on}, citeulike-article-id = {2782008}, doi = {10.1109/TMTT.2004.825680}, journal = {Microwave Theory and Techniques, IEEE Transactions on}, keywords = {dual-band, filter, microwave}, number = {4}, pages = {1111--1117}, posted-at = {2008-05-10 00:46:20}, priority = {2}, title = {Dual-band bandpass filters using equal-length coupled-serial-shunted lines and Z-transform technique}, url = {http://dx.doi.org/10.1109/TMTT.2004.825680}, volume = {52}, year = {2004} }

TY - JOUR ID - citeulike:2782008 L3 - citeulike-article-id:2782008 TI - Dual-band bandpass filters using equal-length coupled-serial-shunted lines and Z-transform technique T2 - Microwave Theory and Techniques, IEEE Transactions on JF - Microwave Theory and Techniques, IEEE Transactions on VL - 52 IS - 4 SP - 1111 EP - 1117 N2 - A synthesizing method is presented to design and implement digital dual-band filters in the microwave frequency range. A dual-band filter consists of a bandstop filter and a wide-band bandpass filter in a cascade connection, wherein the transfer functions of both the bandpass filter and bandstop filter are expressed in the Z domain. The bandstop filter is implemented by using a coupled-serial-shunted line structure, while the wide-band bandpass filter is constructed by using a serial-shunted line configuration. In particular, the bandwidth of each passband of the dual-band filter is controllable by adjusting the characteristics of both the bandpass filter and bandstop filter. By neglecting the dispersion effect between microstrip lines of different widths over a wide bandwidth, a dual-band filter is realized in the form of microstrip lines and its frequency responses are measured to validate this method. KW - dual-band KW - filter KW - microwave AU - Tsai, Lin-Chuan AU - Hsue, Ching-Wen PY - 2004/// UR - http://dx.doi.org/10.1109/TMTT.2004.825680 ER -