Results 191 to 200 of about 8,144,047 (241)
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Analysis and realization of defected ground structure (DGS) on bandpass filter
2014 5th International Conference on Intelligent and Advanced Systems (ICIAS), 2014An end-coupled line bandpass filter (BPF) is proposed and designed by placing defected ground structure (DGS) in the ground plane. DGS is used for its property of miniaturizing the size of microwave filter and also improving the mutual coupling between the resonators.
Zuhairi Baharudin, M A Zakariya
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Coplanar waveguide (CPW) defected ground structure (DGS) for bandpass filter application
Microwave and Optical Technology Letters, 2004AbstractIn this paper, we design and implement a coplanar waveguide (CPW) bandpass filter utilizing defected ground structure (DGS) technology. The CPW DGS technology, which only needs one or a series connection of a few cells to exhibit the bandgap characteristics, can provide the attenuation poles in the upper and lower bands to improve the rolloff ...
Man‐Long Her +3 more
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An ultra broadband antenna (UWB) loaded with defected ground structure (DGS)
2011 International Conference on Electronics, Communications and Control (ICECC), 2011In this letter, an ultra broadband antenna (UWB) loaded with defected ground structure (DGS) is presented. The UWB antenna with circle radiation patch is fed with 50Ohm mictostrip line. The DGS structure is introduced to the ground under the feed line and hence the frequency selectivity is also introduced to this UWB antenna.
Bo-ran Guan, Zhong-hai Zhang
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Design and analysis of defected ground structure (DGS) in normal mode helical antenna
2014 IEEE Symposium on Wireless Technology and Applications (ISWTA), 2014This paper presented a study of a defected ground structure (DGS) which affects the performances of the normal mode helical antenna. Two (2) types of helical antennas have been designed; normal mode helical antenna (NMHA) or conventional antenna and the normal mode helical antenna with defected ground structure. The normal mode helical antennas connect
N. Ripin +3 more
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IEEE Antennas and Wireless Propagation Letters, 2009 Application of defected ground structure (DGS) to suppress cross-polarized (XP) radiation from a microstrip patch antenna has been reinvestigated using a new DGS geometry for much improved characteristics.
Debatosh Guha, Chandrakanta Kumar
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(ICEEE). 1st International Conference on Electrical and Electronics Engineering, 2004., 2005
A novel Defected Microstrip Structure is proposed, which behaves in a similar way than a conventional unit cell Defected Ground Structure (DGS) concerning band-stop response and selectivity. As a difference from the DGS, the DMS structure frequency response is almost the same when the microstrip length varies.
J.A. Tirado-Mendez, H. Jardon-Aguilar
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A novel Defected Microstrip Structure is proposed, which behaves in a similar way than a conventional unit cell Defected Ground Structure (DGS) concerning band-stop response and selectivity. As a difference from the DGS, the DMS structure frequency response is almost the same when the microstrip length varies.
J.A. Tirado-Mendez, H. Jardon-Aguilar
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Sierpinski gasket fractal antenna with defected ground structure (DGS)
2012 International Conference on ICT Convergence (ICTC), 2012This paper presents the design and fabrication of Sierpinski gasket fractal antenna with defected ground structure (DGS) with center frequency at 5.8 GHz. A slot was used as a DGS. The antenna was designed and simulated using Computer Simulation Technology (CST) software and fabricated on FR-4 board with a substrate thickness of 1.6 mm and dielectric ...
Kamariah Ismail, Siti Hasyimah Ishak
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Investigation of novel tapered hybrid defected ground structure (DGS)
International Journal of RF and Microwave Computer-Aided Engineering, 2005Novel defected ground structures (DGSs) have been investigated to achieve improved low-pass filter (LPF) properties. A chronological development in designs ranging from conventional square-patterned photonic-bandgap structure (PBGS) and conventional dumbbell-shaped DGS to proposed novel nonuniform DGS has been investigated theoretically and ...
Mohammad Nurunnabi Mollah +2 more
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Reconfigurable bandstop filter using Defected Ground Structure (DGS)
2013 Saudi International Electronics, Communications and Photonics Conference, 2013The paper presents a new compact reconfigurable bandstop filter using Defected Ground Structure (DGS). The proposed reconfigurable bandstop filter is constructed by employing coupled DGS resonators etched in the ground plane. The bandstop filter consists of symmetrical DGS resonators with a microstrip excitation to obtain a bandstop filter response ...
Sajjad Ur Rehman +3 more
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Compact bandstop filter using defected ground structure (DGS)
2011 Saudi International Electronics, Communications and Photonics Conference (SIECPC), 2011This paper presents a new structure to implement compact bandstop filters by employing coupled DGS resonators etched in the ground plane. The proposed bandstop filter consists of symmetrical DGS resonators with a microstrip excitation to obtain a bandstop filter response.
Sajjad Ur Rehman +2 more
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