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The realization of DGS LPF, (a) the top layer of HCR DGS LPF, (b) the bottom layer of HCR DGS LPF, (c) the top layer of each Sierpinski carpet DGS LPF, (d-g) the bottom layer of Sierpinski carpet DGS LPF
Contexts in source publication
Context 1
... d=6 mm, e=11 mm, f=14.4 mm h=10 mm, i=3.5 mm and j=2.3 mm. Figure 6 shows the fabrication of each Hilbert Curve Ring and Sierpinski Carpet defected ground structure. Figure 6a is the top layer of lowpass filter with Hilbert Curve Ring defected ground structure, while Figure 6b is bottom layer of Hilbert Curve Ring defected ground structure. ...
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... d=6 mm, e=11 mm, f=14.4 mm h=10 mm, i=3.5 mm and j=2.3 mm. Figure 6 shows the fabrication of each Hilbert Curve Ring and Sierpinski Carpet defected ground structure. Figure 6a is the top layer of lowpass filter with Hilbert Curve Ring defected ground structure, while Figure 6b is bottom layer of Hilbert Curve Ring defected ground structure. Figure 6c is the top layer of each lowpass filter with Sierpinski Carpet defected ground structure, while Figure 6d, e, f, and g are the bottom layer of each various design lowpass filter Sierpinski Carpet defected ground structure. ...
Context 3
... d=6 mm, e=11 mm, f=14.4 mm h=10 mm, i=3.5 mm and j=2.3 mm. Figure 6 shows the fabrication of each Hilbert Curve Ring and Sierpinski Carpet defected ground structure. Figure 6a is the top layer of lowpass filter with Hilbert Curve Ring defected ground structure, while Figure 6b is bottom layer of Hilbert Curve Ring defected ground structure. Figure 6c is the top layer of each lowpass filter with Sierpinski Carpet defected ground structure, while Figure 6d, e, f, and g are the bottom layer of each various design lowpass filter Sierpinski Carpet defected ground structure. ...
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... 6a is the top layer of lowpass filter with Hilbert Curve Ring defected ground structure, while Figure 6b is bottom layer of Hilbert Curve Ring defected ground structure. Figure 6c is the top layer of each lowpass filter with Sierpinski Carpet defected ground structure, while Figure 6d, e, f, and g are the bottom layer of each various design lowpass filter Sierpinski Carpet defected ground structure. Figure 7 gives the simulation and measurement result of HCR DGS LPF. ...
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... 6a is the top layer of lowpass filter with Hilbert Curve Ring defected ground structure, while Figure 6b is bottom layer of Hilbert Curve Ring defected ground structure. Figure 6c is the top layer of each lowpass filter with Sierpinski Carpet defected ground structure, while Figure 6d, e, f, and g are the bottom layer of each various design lowpass filter Sierpinski Carpet defected ground structure. Figure 7 gives the simulation and measurement result of HCR DGS LPF. ...
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... the simulation result, the cut off frequency is at 2.42 GHz and the insertion loss is 0.6616 dB. While the measurement result shows that the cut off frequency is at 2.173 GHz with the insertion loss value at 2.135 dB. Figure 8 shows the simulation and measurement result from Sierpinski carpet DGS LPF (Figure 6d). The simulation result shows that the cut off frequency occurs at 1.88 GHz with the insertion loss value at 0.1981 dB. ...
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... Filter with Hilbert Curve Ring and Sierpinski Carpet DGS (Dian Widi Astuti) Figure 9 shows the simulation and measurement result from Sierpinski carpet DGS LPF (Figure 6e). The simulation result shows that the cut off frequency occurs at 1.84 GHz with the insertion loss value is 0.3359 dB. ...
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... the measurement result shows that the cut off frequency is 1.728 GHz and the insertion loss value is 0.6481 dB. The discrepancy frequency is around 72 MHz. Figure 10 shows the simulation and measurement result from Sierpinski carpet DGS LPF (Figure 6f). The simulation result shows that the cut off frequency occurs at 2 GHz with the insertion loss value is 0.219 dB. ...
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... is no discrepancy frequency, but the insertion loss value decreases. Figure 6g. The simulation result shows that the cut off frequency occurs at 1.82 GHz and the insertion loss value is 0.2081 dB. ...
Context 10
... d=6 mm, e=11 mm, f=14.4 mm h=10 mm, i=3.5 mm and j=2.3 mm. Figure 6 shows the fabrication of each Hilbert Curve Ring and Sierpinski Carpet defected ground structure. Figure 6a is the top layer of lowpass filter with Hilbert Curve Ring defected ground structure, while Figure 6b is bottom layer of Hilbert Curve Ring defected ground structure. ...
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... d=6 mm, e=11 mm, f=14.4 mm h=10 mm, i=3.5 mm and j=2.3 mm. Figure 6 shows the fabrication of each Hilbert Curve Ring and Sierpinski Carpet defected ground structure. Figure 6a is the top layer of lowpass filter with Hilbert Curve Ring defected ground structure, while Figure 6b is bottom layer of Hilbert Curve Ring defected ground structure. Figure 6c is the top layer of each lowpass filter with Sierpinski Carpet defected ground structure, while Figure 6d, e, f, and g are the bottom layer of each various design lowpass filter Sierpinski Carpet defected ground structure. ...
Context 12
... d=6 mm, e=11 mm, f=14.4 mm h=10 mm, i=3.5 mm and j=2.3 mm. Figure 6 shows the fabrication of each Hilbert Curve Ring and Sierpinski Carpet defected ground structure. Figure 6a is the top layer of lowpass filter with Hilbert Curve Ring defected ground structure, while Figure 6b is bottom layer of Hilbert Curve Ring defected ground structure. Figure 6c is the top layer of each lowpass filter with Sierpinski Carpet defected ground structure, while Figure 6d, e, f, and g are the bottom layer of each various design lowpass filter Sierpinski Carpet defected ground structure. ...
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... 6a is the top layer of lowpass filter with Hilbert Curve Ring defected ground structure, while Figure 6b is bottom layer of Hilbert Curve Ring defected ground structure. Figure 6c is the top layer of each lowpass filter with Sierpinski Carpet defected ground structure, while Figure 6d, e, f, and g are the bottom layer of each various design lowpass filter Sierpinski Carpet defected ground structure. Figure 7 gives the simulation and measurement result of HCR DGS LPF. ...
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... 6a is the top layer of lowpass filter with Hilbert Curve Ring defected ground structure, while Figure 6b is bottom layer of Hilbert Curve Ring defected ground structure. Figure 6c is the top layer of each lowpass filter with Sierpinski Carpet defected ground structure, while Figure 6d, e, f, and g are the bottom layer of each various design lowpass filter Sierpinski Carpet defected ground structure. Figure 7 gives the simulation and measurement result of HCR DGS LPF. ...
Context 15
... the simulation result, the cut off frequency is at 2.42 GHz and the insertion loss is 0.6616 dB. While the measurement result shows that the cut off frequency is at 2.173 GHz with the insertion loss value at 2.135 dB. Figure 8 shows the simulation and measurement result from Sierpinski carpet DGS LPF (Figure 6d). The simulation result shows that the cut off frequency occurs at 1.88 GHz with the insertion loss value at 0.1981 dB. ...
Context 16
... Filter with Hilbert Curve Ring and Sierpinski Carpet DGS (Dian Widi Astuti) Figure 9 shows the simulation and measurement result from Sierpinski carpet DGS LPF (Figure 6e). The simulation result shows that the cut off frequency occurs at 1.84 GHz with the insertion loss value is 0.3359 dB. ...
Context 17
... the measurement result shows that the cut off frequency is 1.728 GHz and the insertion loss value is 0.6481 dB. The discrepancy frequency is around 72 MHz. Figure 10 shows the simulation and measurement result from Sierpinski carpet DGS LPF (Figure 6f). The simulation result shows that the cut off frequency occurs at 2 GHz with the insertion loss value is 0.219 dB. ...
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Citations
... Defected Ground Structure (DGS) is an emerging technique for improving narrow bandwidth, high selectivity, and low gain on microwave circuits [10]. DGS can be used in antennas [11]- [13], filters [14]- [16] and other microwave components. [11], [12] use circular and rectangular shapes of DGS to disturb the electric field on the ground layer. ...
A microstrip antenna suffers from a narrow bandwidth because of the thickness of the substrate. This paper presents a wideband microstrip antenna by using Defected Ground Structure (DGS) on a bow-tie microstrip patch antenna. The cross-dumbbell shaped slot is used as DGS on the ground layer. The cross-dumbbell DGS slot is put on the backside of the transmission line. The antenna is designed using Computer Simulation Technology (CST) microwave studio and on the commercially printed circuit board substrate, i.e., the FR-4 substrate. The antenna is set for 5G applications, which use 3.67 GHz as the frequency center. By using DGS, the simulated reflection coefficient (S11) for VSWR ≤ 2 shows the fractional bandwidth increase from 2.6% to 10.45%. The measured reflection coefficient matches the simulated results where the measurement gives 13.37% for fractional bandwidth.
