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Modified parallel-coupled filter with two independently controllable upper stopband transmission zeros
2005
IEEE Microwave and Wireless Components Letters
A microstrip cross-coupled filter with two independently controllable transmission zeros on upper stopband is presented. The initial filter structure is a conventional Chebyshev-response parallel-coupled filter that can be easily realized by the analytical method. The newly proposed coupling/shielding lines can effectively control the cross and main couplings without changing the original filter layout. This approach allows a designer to eliminate the tedious segmentation method, which is
doi:10.1109/lmwc.2005.860017
fatcat:ylw6m4d3ejfydf3uvyay43p7wy