Abstract
This paper reports the technical design of millimeter wave (mm-Wave) low noise amplifier (LNA). The fast-growing wireless communication market and the necessity of a higher data rate certainly drive the radio frequency (RF) system towards the mm-Wave technology. The 28 GHz channel band possesses a large amount of raw bandwidth space with a spectrum allocation that exceeds the bandwidth of 1 GHz. The mm-Wave cellular wireless system is developed to address with a worldwide wireless bandwidth shortage. The 28 GHz LNA is used to amplify a very low signal at 28 GHz and minimize the present of unwanted additional noises. The performances of single and cascaded LNAs are analyzed and presented. The footprint design of LNA is fabricated on ROGERS 4003 C with permittivity of 3.38. The off-the-shelf commercial MMIC LNA is mounted and matched to 50 Ω. The fabricated LNA is analyzed based on the output power levels and signal gains. The minimum and maximum gains for a single LNA are recorded at 11 dB and 14.83 dB respectively. 22.05 dB is verified as the lowest gain for the cascaded LNA while the highest gain is indicated at 28.83 dB when the RF signal input power is quoted at −74.54 dBm.
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Acknowledgements
This project is sponsored under USM grant scheme titled High Gain Antenna For Long Range Microwave Radio under project no. 304.PELECT.6316101.
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bin Ain, M.F., bin Mohamed Omar, M.F., bt. Hussin, R., bin Ahmad, Z.A., Abidin, I.S.Z., bin Abdullah, M.Z. (2019). Characterization of Low Noise Amplifier (LNA) for mm-Wave Wireless Systems. In: Zawawi, M., Teoh, S., Abdullah, N., Mohd Sazali, M. (eds) 10th International Conference on Robotics, Vision, Signal Processing and Power Applications. Lecture Notes in Electrical Engineering, vol 547. Springer, Singapore. https://doi.org/10.1007/978-981-13-6447-1_44
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DOI: https://doi.org/10.1007/978-981-13-6447-1_44
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