Design of a 2.4GHz-Microstrip Line Filter Using the Semicircle Defected Ground Structure

A design and simulation for L-shaped slot microstrip line antenna with semicircle defected ground structure has been researched, the main purpose is suppressing the existence of higher order harmonic. In this paper, simulated soft (Ansoft HFSS V.6.0) used to be simulated the frequency response under different parameters such as dimensions, amounts of SDGS. The results show good performance of SDGS in higher resonant frequency suppression. Final, an antenna with 2.4GHz center frequency had been design and fabricated.

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Design of an Ideal Low Pass Microstrip Line Filter Using the Defected Ground Structure

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.876.133 ◽

2018 ◽

Vol 876 ◽

pp. 133-137

Author(s):

Ping Cheng Chen ◽

Chung Long Pan ◽

J.D. Huang ◽

S.H. Hong

Keyword(s):

Frequency Response ◽

Microstrip Line ◽

Geometric Shape ◽

Center Frequency ◽

Defected Ground Structure ◽

Ground Structure ◽

Pass Filter ◽

Low Pass Filter ◽

Ansoft Hfss ◽

Low Pass

A design and simulation for low pass microstrip line filter with defected ground structure has been researched, the main purpose is with the simplest method to design an ideal low pass filter. In this paper, simulated soft (Ansoft HFSS V.6.0) used to be simulated the frequency response under different geometric shape of DGS. The results show good performance of a low pass filter with DGS. Final, a low pass filter with DGS design and fabricated, The properties are shown as flow: center-frequency: 7.28G, S21:-47dB, cut-off frequency: 5.88GHz.

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A Design of Microstrip Line Filter Using the Semicircle Defected Ground Structure

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.799-800.1217 ◽

2015 ◽

Vol 799-800 ◽

pp. 1217-1221

Author(s):

Ping Cheng Chen ◽

Chung Long Pan ◽

Y.C. Qiu ◽

G.P. Jhuan

Keyword(s):

Frequency Response ◽

Microstrip Line ◽

Center Frequency ◽

Q Factor ◽

Defected Ground Structure ◽

Ground Structure ◽

Harmonic Frequency ◽

High Q ◽

Ansoft Hfss

A design and simulation for microstrip line filter with semicircle defected ground structure has been researched. In this paper, simulated soft (Ansoft HFSS V.6.0) used to be simulated the frequency response under different parameters such as dimensions, amounts of SDGS.The results show good performance of SDGS in high cut-off frequency, erase of harmonic frequency, smaller dimension. Final, a filter with4.4GHz center frequency,high Q-factor had been design and fabricated.

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Microstrip Line Fed Fractal Monopole Antenna with Defected Ground Structure

International Journal of Engineering & Technology ◽

10.14419/ijet.v7i3.31.18193 ◽

2018 ◽

Vol 7 (3.31) ◽

pp. 21

Author(s):

S S. Mohan Reddy ◽

M M. Vinod Kumar ◽

B Sanjay ◽

K Aruna Kumari ◽

G V. S. Padma Rao

Keyword(s):

Dielectric Constant ◽

Microstrip Line ◽

Return Loss ◽

Cellular Communication ◽

Monopole Antenna ◽

Wave Guide ◽

Defected Ground Structure ◽

Ground Structure ◽

Ansoft Hfss ◽

Proposed Model

This paper presents a wideband polarized antenna that is designed and analyzed for the cellular communication applications. The proposed antenna is designed with the coplanar wave guide feeding (CPW) by using the RT/ duroid 5880 material with a dielectric constant 2.2. It is observed that in the proposed model the return loss is -21.40dB for ungrounded CPW where as for the grounded CPW the loss is reduced to -39.13dB. The gain for the ungrounded CPW fed antenna is 2.95 dB and is enhanced to 3.2dB with grounded CPW structure. It is observed that there is an improvement in the bandwidth upto 6.03 GhZ for grounded CPW when DGS is applied. The antenna designing and simulation is done using ANSOFT HFSS software.

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Novel Low-Pass Microwave Filter Based on Rectangular Ring DGS

Applied Mechanics and Materials ◽

10.4028/www.scientific.net/amm.273.371 ◽

2013 ◽

Vol 273 ◽

pp. 371-374

Author(s):

Bao Ping Li ◽

Yan Liang Zhang

Keyword(s):

Stop Band ◽

Center Frequency ◽

Pass Band ◽

Band Pass Filter ◽

Defected Ground Structure ◽

Ground Structure ◽

Pass Filter ◽

Low Pass Filter ◽

Compact Size ◽

Low Pass

Due to the frequency response periodicity of distributed transmission line, microstrip band-pass filter usually produces parasitic pass-band and outputs harmonics away from the center frequency of main pass-band. Based on the study of rectangular ring defected ground structure, a 5-order microstrip LPF(low-pass filter) was designed using the single-pole band-stop and slow-wave characteristics of the rectangular ring DGS(Defected Ground Structure) and SISS(Step-Impedance Shunt Stub) structure. Compared with traditional LPF, this LPF presents the advantages of compact size, low insertion loss, broad stop-band and high steep. It also validates the requirements of miniaturization and high performance for filters.

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