Design Low Noise Amplifier With Ultrawideband Frequency

Ahmad Hiedzuanuddin , Ahmad Khidir (2012) Design Low Noise Amplifier With Ultrawideband Frequency. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

In the new era of communication technology, Ultra Wideband is a communication method used in wireless networking to achieve high bandwidth connections with low power utilization. In the receiver part of Ultra Wideband systems, there is one special type of the electronic amplifier used in communication systems which amplifies very weak signals captured by antenna. This part of receiver called low noise amplifier which is located of the front-end of receiver. Without LNA the systems will produce a very weak signal and have a noise. Federal Communication Commission (FCC) has licensing on the use of UWB frequency which the frequency allocations ranging from 3.1 GHz to 10.6 GHz. The objective of this project final year is to design a LNA using frequency 1 GHz to 5 GHz. The noise figures that to achieve are less than 1.5 dB and gain is larger than 12 dB. Technique that has been used in this project is feedback method. This UWB frequency due to its benefits that are transmits information using very low power, short impulses thinly spreading over a wide bandwidth, high data rate and less multipath fading.

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