Slot-loaded, meandered rectangular microstrip antenna with compact dual-frequency operation

Slot-loaded, meandered rectangular microstrip antenna with compact dual-frequency operation

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A novel single-feed compact dual-frequency design is demonstrated. The proposed design consists of a rectangular patch loaded with two parallel slots close to the radiating edges and meandered with slits at the non-radiating edges. The two operating frequencies have parallel polarisation planes and, by varying the insetting slit length, the frequency ratio of the two frequencies is tunable in the range of ~ 1.8 – 2.4. In addition, with the insetting slit, the two frequencies can be greatly lowered, which results in a large antenna size reduction for fixed dual-frequency operation.


    1. 1)
      • S. Maci , G. Biffi Gentili , P. Piazzesi , C. Salvador . Dual-band slot-loaded patch antenna. IEE Proc. Microw. Antennas Propag. , 225 - 232
    2. 2)
      • S. Dey , R. Mittra . Compact microstrip patch antenna. Microw. Opt. Technol. Lett. , 1 , 12 - 14
    3. 3)
      • K.L. Wong , C.L. Tang , H.T. Chen . A compact meandered circularmicrostrip antenna with a shorting pin. Microw. Opt. Technol. Lett. , 3 , 147 - 149

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