Abstract
In this paper, a planar monopole antenna with modified circular patch is presented. The proposed antenna is designed to operate from 2.75 to 13.53 GHz frequency range, which covers the whole ultra-wideband (3.1–10.6 GHz). The circular patch is metallized on a FR4 dielectric substrate with a relative dielectric constant of 4.3 and is truncated at its top which is opposite to the feedline. The substrate dimensions of the modified truncated circular patch antenna (MTCPA) are taken as 36 × 36 × 1.6 mm. This antenna is excited by a 50 Ω microstrip line. A defected ground structure (DGS) with a partial ground plane is printed on the back side of the substrate to obtain UWB characteristics. The proposed antenna yields return loss of less than −10 dB (S11 < −10 dB), VSWR < 2, and nearly omnidirectional radiation patterns. This antenna is designed and simulated in CST Microwave Studio. This antenna is a best suitable candidate for various UWB communication systems.
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Katuru, A., Alapati, S. (2018). Design and Analysis of Modified Circular Patch Antenna with DGS for UWB Applications. In: Satapathy, S., Bhateja, V., Chowdary, P., Chakravarthy, V., Anguera, J. (eds) Proceedings of 2nd International Conference on Micro-Electronics, Electromagnetics and Telecommunications. Lecture Notes in Electrical Engineering, vol 434. Springer, Singapore. https://doi.org/10.1007/978-981-10-4280-5_56
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DOI: https://doi.org/10.1007/978-981-10-4280-5_56
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