New Microstrip Diplexer for Recent Wireless Applications

  • Authors

    • Yaqeen S. Mezaal
    • Seham A. Hashim
    • Aqeel H.Al-fatlawi
    • Hussein A. Hussein
    2018-06-25
    https://doi.org/10.14419/ijet.v7i3.4.16754
  • Dual Band Bandpass Filter, Diplexer, Dual-Channel, Narrowband Frequency Responses, Compactness

  • Abstract

    In this study, dual-channel diplexer using microstrip open loop coupled resonators has been designed and simulated; each channel has two operating band frequencies. This microstrip diplexer is designed for (1.424/1.732GHz) for first channel and (2.014/2.318GHz) for second channel. The simulated results for this device have insertion loss (1.8 and 1 dB) at load 1, and (1.5 and 3 dB) at load 2. Additionally, it has reasonable return loss magnitudes better than 10 dB and effective isolation between channels of35 dB. The proposed design has shown an uncomplicated topology, an effectual design method, small circuit size and narrowband frequency responses that are fitting for multi service wireless schemes.

     

     

  • References

    1. [1] Skaik TF, “Synthesis of Coupled Resonator Circuits with Multiple Outputs using Coupling Matrix Optimizationâ€, University of Birmingham, England, 2011.

      [2] Mezaal YS & Eyyuboglu HT, “Investigation of new microstrip bandpass filter based on patch resonator with geometrical fractal slotâ€,PloS one, Vol.11, No.4: e0152615, 2016. https://doi.org/10.1371/journal.pone.0152615.

      [3] Mezaal YS, Eyyuboglu HT & Ali JK, “A new design of dual band microstrip bandpass filter based on Peano fractal geometry: Design and simulation results’’, Mediterranean Microwave Symposium (MMS), Vol. 4, 2013.

      [4] Mezaal YS &Ali JK, “Investigation of dual-mode microstrip bandpass filter based on SIR techniqueâ€,PLoS one, Vol.11, No.10: e0164916, 2016.https://doi.org/10.1371/journal.pone.0164916.

      [5] Ali JK & Alsaedi H,“Second harmonic reduction of miniaturized dual-mode microstrip bandpass filters using fractal shaped open stub resonators.’’, PIERS Proceedings, Vol. 4, 2012.

      [6] Chen XW, Zhang W-M & Yao C-H, “Design of microstrip diplexer with wide band-stopâ€, IEEE International Conference on Microwave and Millimeter Wave Technology, Vol. 3, 2007.

      [7] Yang R-Y, Hsiung C-M, Hung C-Y & Lin C-C, “Design of a high band isolation diplexer for GPS and WLAN system using modified stepped-impedance resonatorsâ€, PIER, Vol. 107, pp. 101-114, 2010.https://doi.org/10.2528/PIER10060913.

      [8] Yang T, Chi PL & Itoh T, “High Isolation and Compact Diplexer Using the Hybrid Resonatorsâ€, IEEE Microwave Wireless Component Letter, Vol. 20, No. 10, pp. 551 – 553, 2010.https://doi.org/10.1109/LMWC.2010.2052793.

      [9] Deng PH & Jheng JH, “A Switched Reconfigurable High-Isolation Dual-band Bandpass Filterâ€, IEEE Microwave Wireless Component Letter, Vol. 21, No. 2, pp. 71 – 73, 2011.https://doi.org/10.1109/LMWC.2010.2098023.

      [10] Deng PH & Tung HH, “Design of Microstrip Dual-passband Filter Based on Branch-line Resonatorsâ€, IEEE Microwave Wireless Component Letter, Vol. 21, No.4, pp. 200-202, 2011.https://doi.org/10.1109/LMWC.2011.2105257.

      [11] Zeng SJ, Wu JY & Tu WH, “Compact and High-Isolation Quadruplexer Using Distributed Coupling Techniqueâ€, IEEE Microwave Wireless Component Letter, Vol.21, No. 4, pp. 197–199, 2011.https://doi.org/10.1109/LMWC.2011.2109702.

      [12] Deng PH & Tsai JT, “Design of Microstrip Lowpass-Bandpass Diplexerâ€, IEEE Microwave Wireless Component Letter, Vol. 23, No. 7, pp. 332 – 334, 2013.https://doi.org/10.1109/LMWC.2013.2262264.

      [13] Wu HW, Huang SH & Chen YF, “Design of New Quadchannel Diplexer with Compact Circuit Sizeâ€, IEEE Microwave Wireless Component Letter, Vol. 23, No.5, pp. 240–242, 2013.https://doi.org/10.1109/LMWC.2013.2253314.

      [14] Sun SJ, Su T, Deng K, Wu B & Liang CH, “Shorted-ended Stepped-impedance Dual-resonance Resonator and its Application to Bandpass Filtersâ€, IEEE Transactions on Microwave Theory and Techniques, Vol.61, No. 9, pp. 3209–3215, 2013.https://doi.org/10.1109/TMTT.2013.2273895.

      [15] Zhang LZ, Wu B & Qiu F, “Compact Six-band Triplexer Using Stub-loaded Stepped Impedance Resonatorsâ€, Electronics Letters, Vol. 50 No. 16 pp. 1143–1145, 2014.https://doi.org/10.1049/el.2014.1320.

      [16] Lin L, Zhao YT, Wu B & Liang CH, “Design of Compact Quad-Channel Diplexer Using Quad-Mode Stub-Loaded Resonatorsâ€, Progress In Electromagnetics Research Letters, Vol. 51, pp.87-93, 2015.https://doi.org/10.2528/PIERL15010901.

      [17] Gorur AK, Ozdemir PO, Sahin EG & Karpuz C, “A novel microstrip diplexer design with tunable bandwidths and switchable channels for 4.5G applicationsâ€,Turkish Journal of Electrical Engineering and Computer Science, Vol. 25 , No. 6 , pp. 4445 – 4456, 2017.https://doi.org/10.3906/elk-1704-140.

      [18] Hong JS & Lancaster MJ, “Microstrip Filters for RF/Microwave Applicationsâ€, John Wiley & Sons, Inc., 2001.https://doi.org/10.1002/0471221619.

      [19] Yang T, Chi PL & Itoh T, “Compact Quarter-Wave Resonator and Its Application to Miniaturized Diplexer and Triplexerâ€, IEEE Transactions on Microwave Theory and Techniques, Vol. 59, No. 2, pp. 260-269, 2011.https://doi.org/10.1109/TMTT.2010.2095029.

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  • How to Cite

    S. Mezaal, Y., A. Hashim, S., H.Al-fatlawi, A., & A. Hussein, H. (2018). New Microstrip Diplexer for Recent Wireless Applications. International Journal of Engineering & Technology, 7(3.4), 96-99. https://doi.org/10.14419/ijet.v7i3.4.16754

    Received date: 2018-08-03

    Accepted date: 2018-08-03

    Published date: 2018-06-25