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- W2947497956 abstract "Abstract An internal antenna with bandwidth and directivity enhancement was developed for operation in ultra‐high‐frequency bands (UHF: 470‐771 MHz, bandwidth: 48.5%) for ultra‐high‐definition television (UHD‐TV) applications. The antenna is integrated into a 49‐in. TV model, which is surrounded by a bezel frame made of polycarbonate‐acrylonitrile butadiene styrene (PC‐ABS) plastic. This material was also used as a substrate in fabricating the antenna. The antenna has a compact size of 0.387 λ L × 0.023 λ L × 0.0093 λ L (where λ L is the wavelength at the lowest operating frequency) and is fed by a 50 Ω coplanar waveguide (CPW) feedline. To achieve wideband operation and directional radiation, the proposed internal antenna was designed on the basis of a folded monopole antenna loaded with parasitic strips and an interdigital capacitor. The experimental results showed that the antenna exhibits a wide impedance bandwidth of 86% (400‐1000 MHz) under the criterion | S 11 | ≤ −6 dB (Voltage Standing Wave Ratio (VSWR) ≤ 3), a directional radiation pattern with a maximum realized gain of 5.2 dBi, and a radiation efficiency of more than 68%. These findings indicate that the antenna is suitable for UHD‐TV applications." @default.
- W2947497956 created "2019-06-07" @default.
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- W2947497956 date "2019-05-30" @default.
- W2947497956 modified "2023-10-16" @default.
- W2947497956 title "Bandwidth and directivity enhancement of an internal folded monopole antenna loaded by interdigital capacitor for ultra‐high‐definition television applications" @default.
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- W2947497956 doi "https://doi.org/10.1002/mop.31875" @default.
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