Characteristics of Wideband Ring Loop Antenna for Digital Terrestrial Broadcasting

Kawakami, Haruo; Haga, T.; Kon, S.

doi:10.1109/aps.2005.1552068

Cited by 3 publications

(2 citation statements)

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“…The proposed antenna shows the widest relative bandwidth compared with other designs for the VSWR < 1.13. In the item of peak gain, the proposed antenna is larger than the antenna in [7], [11]- [14]. For the HPBW in the xoz plane at the center frequency, this design shows the wider HPBW in the xoz plane than the others, which can cover a broader area.…”

Section: Implementation and Performancementioning

confidence: 89%

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A Full-Band Digital Television Transmitting Antenna Array With Dual-Layer Bowtie Dipole Unit

Fang

Jiang

2020

IEEE Access

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A full-band digital television (DTV) transmitting antenna array with dual-layer bowtie dipole unit is proposed in this paper. The dual-layer bowtie dipole is utilized as the antenna unit to broaden the frequency bandwidth, and its key parameters are discussed. Besides, a wideband impedance matching network with stepped complex impedance transformers is designed to achieve the full-band low voltage standing wave ratio (VSWR). For verification, a prototype is designed, fabricated, and measured. The experimental results agree well with the simulations. The measurement shows a relative bandwidth of 62.4% (455 MHz-868 MHz) under the criterion of VSWR < 1.15. Particularly, the VSWR is less than 1.13 within the range of 470 MHz-862 MHz, (i.e. the full band of the DTV transmitting system). And the proposed antenna maintains a stable gain larger than 11.6 dBi over the operating frequency band with the half-power beam width of 70° ± 3° in the horizontal plane, which meets the requirements of the full-band signal transmission in the DTV broadcasting system. INDEX TERMS Full-band antenna array, dual-layer bowtie dipole, DTV transmitting antenna, low VSWR.

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Section: Implementation and Performancementioning

confidence: 89%

“…Over the past decades, a variety of classic DTV transmitting antenna implementations have been proposed, such as ring loop antennas [7], [8] and modified batwing antennas [9]- [11]. Since simple feeding structures are employed, these wideband antennas with high gains are widely applied in the early DTV system.…”

Section: Introductionmentioning

confidence: 99%