@article{scholars5765, volume = {25}, note = {cited By 4}, number = {9}, doi = {10.1109/LMWC.2015.2451393}, title = {Parallel Connected Dual-Mode Filter}, year = {2015}, journal = {IEEE Microwave and Wireless Components Letters}, publisher = {Institute of Electrical and Electronics Engineers Inc.}, pages = {582--584}, url = {https://www.scopus.com/inward/record.uri?eid=2-s2.0-85027919108&doi=10.1109\%2fLMWC.2015.2451393&partnerID=40&md5=2cbe33ac065bb306f0b7f5b9f8f15bed}, keywords = {Polynomials; Topology; Transfer functions, Bandpass filter (BPF); Chebyshev polynomials; Dual modes; Filtering functions; General transfer function; Parallel-connected; Quasi-elliptic response; Source-load couplings, Bandpass filters}, abstract = {Theory of parallel connected dual pole topology is introduced in this letter. The general transfer function of N transversal array is derived where the filtering function is mapped to Chebyshev polynomial in which all the coupling values are extracted. To demonstrate the feasibility of the approach two 2-stage bandpass dual mode filter prototypes based on parallel connected topology are fabricated and presented. The second filter prototype is incorporated with the source-load coupling in order to achieve a quasi-elliptic response for better selectivity. {\^A}{\copyright} 2001-2012 IEEE.}, author = {Cheab, S. and Wong, P. W. and Chew, X. Y.}, issn = {15311309} }