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Effect of ferrite substrates on antenna miniaturization
- Authors
- Kim, Inyoung; Bae, Seok; Kim, Jongryoul
- Issue Date
- Jan-2008
- Publisher
- KOREAN PHYSICAL SOC
- Keywords
- ferrite; antenna; radiation effects
- Citation
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY, v.52, no.1, pp.127 - 131
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF THE KOREAN PHYSICAL SOCIETY
- Volume
- 52
- Number
- 1
- Start Page
- 127
- End Page
- 131
- ISSN
- 0374-4884
- Abstract
- This study has been carried out to estimate the effect of electro-magnetic properties of soft magnetic ferrites on the performance and miniaturization of antennas operating in the ultra high frequency (UHF) range. Compared with dielectric materials, ferrites used as substrates effectively reduce the resonance frequency of tapered slot antennas without noticeable reduction of bandwidth and gain. For example, a NiZn ferrite antenna with a size of 40 mm x 10 mm x 2.4 mm showed an antenna gain of -7.9 to -3.04 dBi in the frequency range of 450 - 700 MHz. Hence, these data suggest that magnetic antennas are applicable to terrestrial, digital, multimedia broadcasting (T-DMB) and digital, video broadcasting, handheld (DVB-H) phones.
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Related Researcher
- Kim, Jong ryoul
- ERICA 공학대학 (DEPARTMENT OF MATERIALS SCIENCE AND CHEMICAL ENGINEERING)