Frequency Tuning Design of LPF using Novel DGS 


Vol. 27,  No. 12, pp. 1174-1181, Dec.  2002


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  Abstract

For the performance inprovement and down-sizing the microwave circuits and antennas using DGS or PBG structure. However, the existing DGS and PBG types are difficult to tune the stopband frequency exactly, and are not easy to down-size the circuit.
In this paper, We propose three DGS prototypes -Stub Rectangular Slot, I type Slot and analyze the each charecteristics of the stop band that the "Stub Rectangular Slot" might be broadly tuned in pass-band without loss, the " I type Slot" might be tuned fully to the sharp attenuation pole of the stop-band frequency, and the "Stub I type Slot" could tunned to the attenuation pole and the troad stop-band simultaneously.
The LPF using the proposed DGS prototypes has been designed and implemented to have the sharp attenuation pole at 3GHz and the broad stop-band property. The measurement results of the low-pass filter have the cut-off frequency of 2.665GHz, and the insertion loss and the return loss are in correspondence with the simulation results in IMT-2000 pass-band.

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  Cite this article

[IEEE Style]

Y. Cho, B. Kim, K. Jun, "Frequency Tuning Design of LPF using Novel DGS," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1174-1181, 2002. DOI: .

[ACM Style]

Young-Bin Cho, Byung-Soo Kim, and Kye-Suk Jun. 2002. Frequency Tuning Design of LPF using Novel DGS. The Journal of Korean Institute of Communications and Information Sciences, 27, 12, (2002), 1174-1181. DOI: .

[KICS Style]

Young-Bin Cho, Byung-Soo Kim, Kye-Suk Jun, "Frequency Tuning Design of LPF using Novel DGS," The Journal of Korean Institute of Communications and Information Sciences, vol. 27, no. 12, pp. 1174-1181, 12. 2002.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880