Multiband Operational Antenna in Ultra Wide Band (UWB) Frequency Range with Substrate Structure Modification Approach
| Authors | N.I. Bhopale1,2, S.N. Pawar3 |
| Affiliations |
1National Institute of Electronics and Information Technology, Aurangabad, India 2Department of Electronics & Computer Engineering, Sanjivani College of Engineering, Kopargaon, India 3Department of Electronics & Computer Engineering, Jawaharlal Nehru College of Engineering, Aurangabad, India |
| Е-mail | nitin.i.bhopale@gmail.com |
| Issue | Volume 17, Year 2025, Number 2 |
| Dates | Received 18 February 2025; revised manuscript received 23 April 2025; published online 28 April 2025 |
| Citation | N.I. Bhopale, S.N. Pawar, J. Nano- Electron. Phys. 17 No 2, 02026 (2025) |
| DOI | https://doi.org/10.21272/jnep.17(2).02026 |
| PACS Number(s) | 84.40.Ba |
| Keywords | Ultra Wide Band (UWB), Antenna design, Annular ring. |
| Annotation |
In this paper, authors propose a new way of improving the gain-bandwidth performance of Multiband Operational Antenna in Ultra Wide Band (UWB) frequency range with substrate structure modification Approach. Annular ring arc is portion of the annular ring with specific length and sector angle that contributes to effective aperture area of the antenna. Hence, such structure helps to improve gain-bandwidth performance of antenna. Length, width, and angle of ring-arc was calculated mathematically based on effective aperture of antenna. The proper placement of annular rings is another important factor discussed in this paper was found by experimentation. The antenna design is completed within three iterations and finalized antenna was fabricated and tested. Measurement results and simulation results of antenna agreed. The antenna frequency band ranges from 2.1 GHz to 10.4 GHz with achieved size reduction. The antenna was fabricated on FR4 epoxy substrate with 0.8 mm thickness and dielectric constant of 4.4 and achieves acceptable return loss over the band of operation. The Antenna suggested in the paper is showing good improvement in the antenna parameters such as Gain, Bandwidth, Return loss etc. In this, Placement of arcs was determined by experimentation during simulation. Multiple arcs can be introduced for multiple stop band frequencies. |
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List of References |
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