Title :
Narrow Ka Bandpass Filters Made Of High Permittivity Ceramic By Layer-By-Layer Polymer Stereolithography
Author :
Delhote, N. ; Baillargeat, D. ; Verdeyme, S. ; Delage, C. ; Chaput, C.
Author_Institution :
UMR CNRS, Limoges Univ.
Abstract :
Electromagnetic bandgap (EBG) concept is used to create cavity by dimensioning a variant cell (or defect) inside a 2D EBG material. Compact high unloaded Q cavity (Qu ~ 2500) and narrow two and three pole filters are designed in Ka band. They are manufactured by layer-by-layer stereolithography and made out of high permittivity yttria-stabilized Zirconia. Measurements of the three pole filter working at 33.45GHz exhibits an 1.05% bandwidth and an insertion loss of 1.7dB. These specifications are close to the theoretical values of 33GHz (1.5% shift in central working frequency) and 0.95% bandwidth
Keywords :
Q-factor; band-pass filters; crystal filters; microwave filters; permittivity; photonic band gap; stereolithography; 1.07 dB; 2D electromagnetic bandgap; 33 to 33.45 GHz; Ka-band; Q-factor; bandpass filters; microwave filters; pole filters; polymer stereolithography; Band pass filters; Bandwidth; Ceramics; Loss measurement; Manufacturing; Metamaterials; Periodic structures; Permittivity measurement; Polymers; Stereolithography;
Conference_Titel :
Microwave Conference, 2006. 36th European
Conference_Location :
Manchester
Print_ISBN :
2-9600551-6-0
DOI :
10.1109/EUMC.2006.281422
