Controlling resonance frequencies in antennas to achieve wideband operation
- Authors
- Choi, Hyengcheul; Jeon, Sinhyung; Kim, Seungwoo; Kim, Hyeong dong
- Issue Date
- Jul-2009
- Publisher
- WILEY
- Citation
- ELECTRONICS LETTERS, v.45, no.14, pp.716 - U13
- Indexed
- SCIE
SCOPUS
- Journal Title
- ELECTRONICS LETTERS
- Volume
- 45
- Number
- 14
- Start Page
- 716
- End Page
- U13
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/176577
- DOI
- 10.1049/el.2009.1327
- ISSN
- 0013-5194
- Abstract
- A novel antenna design method for controlling resonance frequencies is presented. This method can be realised by simply inserting a spiral inductance and a gap capacitance into a conventional loop-type antenna, and this technique remarkably enhances an impedance bandwidth without increasing the antenna size. The proposed antenna has been designed to have 530 MHz (975-1505 MHz) and 150 MHz (2410-2560 MHz) dual bands (VSWR = 2.5), and can be effectively used as an internal antenna for global system for mobile communications (GSM) and Bluetooth bands. These wideband characteristics provide a critical advantage because the shift of an antenna operation frequency increases when it is near various other components.
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