Abstract
In this research work, microstrip line band-pass filter and preamplifier are designed, simulated, and fabricated for adaptive antenna system. Design of BPF is simulated and tested with distributed elements for ISM band to pass the signals in the frequency range of 2.33–2.85 GHz (bandwidth 520 MHz). It gives the attenuation of –45 dB at stopband and attenuation of –3 dB at passband. Experimental results show that the filter is passing the signal of frequency band from 2.3 GHz to 2.77 GHz (bandwidth 471 MHz) with the attenuation of –44 dB at stopband and attenuation of –4 dB at passband. The filter is designed and optimized at center frequency 2.5 GHz with an FBW of 0.20(Simulation) and 0.188(Experimental) using HFSS software. In addition tothe above, preamplifier design is simulated and tested to provide a gain of 16–20 dB in 1–8 GHz range. Simulated results of preamplifier design are showing gain of 17 dB and hardware testing results are showing gain of 12.45 dB. As both the blocks are the key elements of the receiver chain of any communication system, these can be cascaded at the front end of receiving antennas of the adaptive antenna system.
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Acknowledgements
Authors are thankful to Dr. Mahesh Abegaonkar, Associate Professor, Department of CARE, IIT Delhi, India, for rendering the valuable guidance and providing the necessary support to carry out all fabrication and measurements.
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Deosarkar, S.B., Kodgirwar, V.P., Joshi, K.R. (2020). Design of Microstrip Line BPF and Preamplifier for Adaptive Antenna System. In: Iyer, B., Deshpande, P., Sharma, S., Shiurkar, U. (eds) Computing in Engineering and Technology. Advances in Intelligent Systems and Computing, vol 1025. Springer, Singapore. https://doi.org/10.1007/978-981-32-9515-5_67
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DOI: https://doi.org/10.1007/978-981-32-9515-5_67
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