Compact ultra-wide band microwave filter utilizing quarter-wave length short-circuited stubs with reduced number of vias

• Main Authors: Razalli, Mohammad Shahrazel, Ismail, Alyani, Mahdi, Mohd Adzir, Hamidon, Mohd Nizar
• Format: Article
• Language: English
• Published: John Wiley and Sons Inc. 2009
• Online Access: http://psasir.upm.edu.my/id/eprint/13657/1/Compact%20ultra.pdf; http://psasir.upm.edu.my/id/eprint/13657/

We present here a novel pattern with compact size of ultra-wide band microstrip filter. The filter is originally modeled from five poles quarter-wavelength short-circuited stubs. It is then, transformed into a new compact butterfly-like pattern. This new "butterflyshaped" pattern consists...