Antenna Array Design using Hybrid Feed for High Frequency Application
Sumit Tyagi1, Garima Saini2

1Sumit Tyagi, Electronics and Communication Engineering, National Institute of Technical Teachers’ Training and Research , Chandigarh, India.
2Garima Saini, Electronics and Communication Engineering, NITTTR, Chandigarh, India.
Manuscript received on July 20, 2019. | Revised Manuscript received on August 10, 2019. | Manuscript published on August 30, 2019. | PP: 2874-2880 | Volume-8 Issue-6, August 2019. | Retrieval Number: F8789088619/2019©BEIESP | DOI: 10.35940/ijeat.F8789.088619
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Abstract: The objective of this paper to design eight elements (4×2) antenna array with hybrid feed structure. A number of microstrip antenna arrays such as microstrip antenna with inset feed, 2×1 antenna array, 4×1 antenna array and 4×2 antenna array have been designed using Rogers RT/duroid 5880 as dielectric materials are proposed to enhanced gain and bandwidth in practical measurement. The simulated gain is 14.917 dB obtained with hybrid feed structure and bandwidth of the design is 396.8 MHz and 523.5 MHZ at 9.4 GHz and 11.6 GHz resonating frequency. A prototype of the antenna is also constructed and tested, the tested results shows a bandwidth of 500 MH z. Loss increases due to long feed transmission line which reduce the gain of the antenna when we use thicker substrate. So hybrid feed structure is used in this design to reduce the length of transmission line. The application of this design is in radio location.
Keywords: Antenna array, Antenna feed, Bandwidth, Gain, Microstrip antennas, Mutual coupling.