Title :
Compact tapered photonic bandgap microstrip lowpass filter
Author :
D´Orazio, A. ; De Sario, M. ; Petruzzelli, V. ; Prudenzano, E. ; Renna, F.
Author_Institution :
Dipt. di Elettroteenica ed Elettronica, Politecnico di Bari, Italy
fDate :
9/12/2002 12:00:00 AM
Abstract :
A novel tapered two-dimensional photonic bandgap microstrip structure is proposed for increasing the stopband of a lowpass filter. The compact structure, obtained using a meander conductive line and etching in the ground plane a single row of two series of circles, the former Kaiser tapered and the latter of uniform circles, characterised by a different centre frequency of the stopband, shows a very wide stopband. The experimental results show excellent agreement with the numerical ones
Keywords :
S-parameters; etching; low-pass filters; microstrip filters; microwave photonics; photonic band gap; Kaiser tapered circles; S-parameters; ground plane etching; lowpass filter stopband; meander conductive line; stopband centre frequency; tapered photonic bandgap microstrip lowpass filter; uniform circles; very wide stopband;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20020741
