A design of the low-pass filter using the novel microstrip defected ground structure
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Cites background from "A design of the low-pass filter usi..."
...Additionally researchers have found that the defected ground structure (DGS) is also able to provide a bandstop effect due to the combination of inductance and capacitance [8], [9]....
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413 citations
Cites background from "A design of the low-pass filter usi..."
...Also, the defected ground structure (DGS) [10], [11] or a simple ground plane modification [12] has also been shown to provide a band-stop effect by suppressing the ground current flowing between antenna elements....
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292 citations
Cites background from "A design of the low-pass filter usi..."
...The increase in brings and closer, thereby improving sharpness of the transition....
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...I. INTRODUCTION THE quasi-lumped element based on the photonic-bandgap(PBG) ground plane and the defected ground-plane structures (DGSs) have been proposed to improve rejection in the stopband of a low-pass filter (LPF) [1]–[8]....
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...4, Computer Simulation Technology (CST), Darmstadt, Germany....
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...Moreover, we will also see in Section II-D that the shape of a slot head has an influence on the design of a broad-band bandstop filter....
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273 citations
Cites background or methods from "A design of the low-pass filter usi..."
...Figure 5: RLC equivalent circuit for unit DGS [12]....
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...1 2 3 4 5 6 7 8 Frequency (GHz) (b) Figure 11: Low pass filter with cascaded dumbbell shaped DGS integrated with microstrip transmission line along with T-junction stub: (a) schematic diagram; (b) simulated S-parameters [12]....
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...number Shape Reference Advantage Disadvantage Applications 1 Dumbbell [12] Simple structure, easy to design and analyse Single stop band Band-stop filter...
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...The first DGS model has been reported as a dumbbell shaped defect embedded on the ground plane underneath the microstrip as shown in Figure 1 [12]....
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...Dumbbell shaped DGS was initially used to realize a filter [12], and other shapes were reported subsequently to realize different microwave circuits such as filters [13–20], amplifiers [21], rat race couplers [22], branch line couplers, and Wilkinson power dividers [23, 24]....
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252 citations
Cites background from "A design of the low-pass filter usi..."
...Recently, the low-pass filter using photonic-bandgap and defect ground structures [8], [ 9 ] illustrated a similar performance as those of the conventional ones....
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References
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"A design of the low-pass filter usi..." refers background in this paper
...[ 14 ], [15] The parallel capacitance value for the given DGS unit dimension can be extracted from the attenuation pole location, which is parallel LC resonance frequency, and prototype low-pass filter characteristics by using the following procedures....
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1,352 citations
706 citations
"A design of the low-pass filter usi..." refers background in this paper
...[ 4 ]‐[8] Many passive and active microwave and millimeter devices have been developed to suppress the harmonics and realize the compact physical dimensions of circuits....
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383 citations
"A design of the low-pass filter usi..." refers background in this paper
...Several efforts have been made to realize such devices on a various PBG circuits—e.g., a power amplifier with PBG circuits [9], [10], the PBG structure for slow-wave circuits [11], and realization of a magnetic wall in waveguide [12], [ 13 ]; their experimental results are sufficient to show the validity of PBG circuit applications....
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