Lowpass Filter with Hilbert Curve Ring and Sierpinski Carpet DGS

Astuti, Dian Widi; Wahyuni, Intan; Muslim, Muslim; Alaydrus, Mudrik

doi:10.12928/telkomnika.v16i0.7722

Cited by 2 publications

(3 citation statements)

References 22 publications

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“…This method is called a Defected Ground Structure (DGS). DGS is a microstrip antenna technique by defecting some structure on the ground surface of microstrip planar for enhancing gain and bandwidth purposes [18] [19]. Slotting size is represented by GW and GL , which are 33 mm and 45.5 mm, respectively [20].…”

Section: Defected Ground Structure (Dgs) Designmentioning

confidence: 99%

Bandwidth and Gain Enhancement of Microstrip Antenna Using Defected Ground Structure and Horizontal Patch Gap

Rusdiyanto

Apriono

Astuti

et al. 2021

Sinergi

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This research proposed microstrip antenna design using the Defected Ground Structure (DGS) and horizontal patch gap (HPG) for bandwidth and enhancement purposes. This design is to reduce the weakness of a microstrip antenna, which has small gain and narrow bandwidth. The design was simulated in CST Microwave Studio with a working frequency of 2.4 GHz. The design consists of three stages model, i.e., conventional design, DGS modification, and the combination DGS using a Horizontal Patch Gap (DGSHPG). The radius of the conventional circular patch is 16.7 mm. The substrate has 4.6 of dielectric constant, 1.6 of substrate height, and 0.025 of the loss tangent. The simulation results show that the DGS design produces more bandwidth and gain than a conventional design, where the bandwidth and gain improvement are 421.2 MHz and 1.73 dB, respectively. The DGS model is combined with a gap that separates the circular patch (DGSHPG) to achieve the optimum design. The results show the bandwidth and gain improvement of more than 50% and 18.1% compared to the DGS design, respectively. Other parameter performance also shows improvement, such as a reflection factor with -53.3 dB at the center frequency. The physical change also influences the patch’s radius, where it is reduced around 1.4 mm or 8.4% from the original design. Overall, the proposed design has succeeded in achieving bandwidth and gain enhancement and reducing the patch dimension.

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Section: Defected Ground Structure (Dgs) Designmentioning

confidence: 99%

Bandwidth and Gain Enhancement of Microstrip Antenna Using Defected Ground Structure and Horizontal Patch Gap

Rusdiyanto

Apriono

Astuti

et al. 2021

Sinergi

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“…The need for an effective separation of signals with different frequencies reflects in many researches of highly selective bandpass and lowpass filters [1][2][3][4][5]. In [1], a bandpass filter with four open loop rectangular resonators was implemented in lossy substrate.…”

Section: Introductionmentioning

confidence: 99%

“…The result showed that the bandwidth increased and a pair of transmission zeros were generated due to suitable dimension of the resonators. In [5], compact sized lowpass filters with good performance in selectivity were introduced. The work was based on modification of the ground of a simple microstrip line.…”

Section: Introductionmentioning

confidence: 99%

Bandpass filter based on complementary split ring resonators at X-band

Furqan¹,

Attamimi²,

Adriansyah³

et al. 2019

IJEECS

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Complementary Split Ring Resonators were used integrated in a substrate integrated waveguide to generate passband charateristics in X-Band. Based on a parameter study with an electromagnetic commercial software, the characteristics of double and quadruple CSRRs according the reflection and transmission factor were observed. The computer simulation showed, the bandpass filter worked in the frequency range 8.12-8.63 GHz and 8.11-8.63 GHz for double and quadruple CSRR, respectively. The insertion loss was 0.12 dB and 0.015 dB. The measurement mit a vector network analyzer verified the simulation results. The frequeny range measured was 8.12-8.67 GHz and 8.12-8.61 GHz for double and quadruple CSRRs, respectively. The measured insertion loss was 0.25 dB and 0.2 dB.

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Lowpass Filter with Hilbert Curve Ring and Sierpinski Carpet DGS

Cited by 2 publications

References 22 publications

Bandwidth and Gain Enhancement of Microstrip Antenna Using Defected Ground Structure and Horizontal Patch Gap

Bandwidth and Gain Enhancement of Microstrip Antenna Using Defected Ground Structure and Horizontal Patch Gap

Bandpass filter based on complementary split ring resonators at X-band

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