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Khan, Moh. Ayub
- 2x2 Array of Circular Patches on LiTiZn Ferrite Substrate
Abstract Views :888 |
PDF Views:108
Authors
Affiliations
1 Microwave Lab, Department of Physics, Agra College, Agra- 282 002 (U.P), IN
2 Department of Electronics & Communication, Anand Engineering College, Agra, IN
3 Solid State Physics Laboratory, Timarpur, Delhi-110 007, IN
1 Microwave Lab, Department of Physics, Agra College, Agra- 282 002 (U.P), IN
2 Department of Electronics & Communication, Anand Engineering College, Agra, IN
3 Solid State Physics Laboratory, Timarpur, Delhi-110 007, IN
Source
Indian Journal of Science and Technology, Vol 3, No 2 (2010), Pagination: 184-187Abstract
Rectangular array of four elements of microstrip circular patches modeled on LiTiZn ferrite substrate is presented. Here we have considered LiTiZn ferrite as a substrate which has been synthesized by the solid state reaction technique (SSRT). In this paper we present a comparison of radiation pattern and other parameters when the antenna array is biased perpendicularly with varying magnetic field. The array antenna using LiTiZn with magnetic biasing, reports a reduction of radiation of side-lobes with increased directivity with better radiation power response.Keywords
Substituted Ferrite, Microstrip Array Antenna, X-band Frequency RangeFull Text
References
- Pozar DM (1992) Radiation and scattering characteristic of microstrip antenna on normally biased ferrite substrate. IEEE Trans., AP-40, 1084-1092.
- Batchelor JC and Langley RJ (1997) Beam scanning using microstrip line on biased ferrite. Electr. Lett. 33, 8.
- Pourush PKS et al. (2000) Microstrip scanned array antenna on YIG ferrite substrate. Proc. Intl. Symp. on Antennas & Propagation, Japan.
- Bharadwaj V, Tiwari V, Sharma KB, Saxena VK, Saini JS and Bhatnagar D (2001) Radiation from switchable ferrite based equilateral triangular microstrip antenna. Proc. Natl. Conf. on Microwaves, A&P (Jaipur).
- Pourush PKS and Dixit L (1998) Wide-Band scanned array of microstrip antenna on ferrite substrate. Indian J. Physics. 73(B), 485-492.
- Van Uitert LG (1956) Dielectric Properties and Conductivity in Ferrites. Proc. IRE, 44(10), 1294-1303.
- Paladino AE, Waug JS, Green JJ and Booth AE (1966). Fine-Grain Nickel Ferrite for Microwave Applications at High Peak-Power Levels J. Appl. Phys. 37, 3371-3377.
- Pran Kishan D, Sagar R, Chatterjee SN, Nagpaul LK, Kumar N and Laroia KK (1985). Optimization of Bi2O3 Contents and its role in Sintering of Lithium Ferrite. Adv in Ceramics. 16, p. 207.
- Randhawa BS, Dosanjh HS and Nitendar Kumar (2007) Synthesis of lithium ferrite by precursor and combustion methods: a comparative study. J. Radio Anal. Nuclear Chemistry. 274(3), 581-591.
- Sodha MS and Srivastav’s NC (1981) Microwave propagation in Ferrimagnetics. Plenum Press, NY.
- LiTiMg Ferrite Substrate for Circular Array of Circular Patches under External Magnetic Field
Abstract Views :427 |
PDF Views:99
Authors
Affiliations
1 Microwave Lab, Dept. of Physics, Agra College, Agra- 282 002 (U.P), IN
2 Dept. of Electronics & Communication, Anand Engineering College, Agra, IN
3 Solid State Physics Laboratory, Timarpur, Delhi- 110 007, IN
1 Microwave Lab, Dept. of Physics, Agra College, Agra- 282 002 (U.P), IN
2 Dept. of Electronics & Communication, Anand Engineering College, Agra, IN
3 Solid State Physics Laboratory, Timarpur, Delhi- 110 007, IN
Source
Indian Journal of Science and Technology, Vol 3, No 3 (2010), Pagination: 299-302Abstract
A circular array of eight microstrip circular patches modeled on synthesized LiTiMg ferrite substrate has been investigated under the externally applied perpendicular DC magnetic field. LiTiMg ferrite substrate has been synthesized by the Solid State Reaction Technique (SSRT). Here, we also presented a comparison of radiation pattern and some other parameters, when the antenna array is biased and unbiased. Having LiTiMg substrate with perpendicular magnetic field, we reported a reduction of side-lobes, increased directivity and better radiation power response of array.Keywords
Substituted Li Ferrite, Microstrip Array Antenna, X-band Frequency RangeFull Text
References
- Batchelor JC and Langley RJ (1997) Beam scanning using microstrip line on biased ferrite. Elec. Lett. 33, 8.
- Bharadwaj V, Tiwari V, Sharma KB, Saxena VK, Saini JS and Bhatnagar D (2001) Radiation from switchable ferrite based equilateral triangular microstrip antenna. Proc. Nat. Conf. on Microwaves. A&P (Jaipur).
- Balh IJ and Bhartia P (1980) Microstrip antennas. Artech house, Norwood, MA.
- Balanis CA (1997) Antenna theory, John Wiley & Sons, Inc.
- Jain MK, Iyengar SRK and Jain RK (1993) Numerical method for scientific and engineering computation, Wiley eastern Ltd., New Delhi.
- Pozar DM (1992) Radiation and scattering characteristic of microstrip antenna on normally biased ferrite substrate. IEEE Trans. AP-40. pp:1084-1092.
- Pourush PKS and Dixit L (1998) A 2x2 Element planar phased array of circular microstrip antenna on Ni-Co ferrite substrate at 10 GHz. I. J. Ratio & Space Phy. 27, 289-226.
- Pourush PKS et al. (2000) Microstrip scanned array antenna on YIG ferrite substrate. Proc. Int. Symp. on Antennas & Propagation. Japan.