Stopband improvement of a dual-mode ring bandpass filter using DGS

Microwave and Optical Technology Letters

Volumn 44, Issue 3, 2005, Pages 247-249

  Weng, Min Hung ^a   Wu, Hung Wei ^b  

^a NATIONAL NANO DEVICE LABORATORIES   (Taiwan)

^b SHU TE UNIVERSITY   (Taiwan)

Author keywords

Bandpass filter; Defect ground structure (DGS); Dual mode; Rejection band

Indexed keywords

BANDWIDTH; BOUNDARY CONDITIONS; COMPUTER SIMULATION; FINITE DIFFERENCE METHOD; HARMONIC ANALYSIS; MICROSTRIP DEVICES; MICROWAVES; MILLIMETER WAVE DEVICES; PHOTONS; TIME DOMAIN ANALYSIS;

DEFECT GROUND STRUCTURE (DGS); DUAL MODE; REJECTION BAND; STOPBAND IMPROVEMENT;

BANDPASS FILTERS;

EID: 13144293119     PISSN: 08952477     EISSN: None     Source Type: Journal    
DOI: 10.1002/mop.20600     Document Type: Article

References (7)

1. E.G. Cristal and S. Frankel, Hairpin-line and hybrid hairpin-line/half- wave parallel-coupled-line filters, IEEE Trans Microwave Theory Tech MTT-20 (1972), 719-728.
2. J.S. Hong and M.J. Lancaster, Microstrip bandpass filter using degenerate modes of a novel meander loop resonator, IEEE Microwave Guided Wave Lett 5 (1995), 371-372.
3. R. Qiang, Y. Wang, and D. Chen, A novel microstrip bandpass filter with two cascaded PBG structure, IEEE MTT-S Int Microwave Symp Dig 2 (1996), 619-622.
4. R. Ian, P.M. Melinda, and P.K. Kelly, Photonic stopband structures used as filters in microstrip circuit, IEEE Microwave Guided Wave Lett 8 (1998), 336-338.
5. D. Ahn, J.S. Park, C.S. Kim, Y. Qian, and T. Itoh, A design of the low-pass filter using the novel microstrip defected ground structure, IEEE Trans Microwave Theory Tech MTT-49 (2001), 86-93.
6. J.S. Park, J.S. Yun, and D. Ahn, A design of the novel coupled-line bandpass filter using defected ground structure with wide stopband performance, IEEE Trans Microwave Theory Tech MTT-50 (2002), 2037-2043.
7. V. Radisic, Y. Qian, and T. Itoh, Broad-Band power amplifier using dielectric photonic bandgap structure, IEEE Microwave Guided Wave Lett 8 (1998), 13-14.