The Cascode and Cascaded Techniques LNA at 5.8GHz Using T-Matching Network for WiMAX Applications

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Provided by: International Journal of Computer Theory and Engineering (IJCTE)
Topic: Networking
Format: PDF
In this paper, the authors present the cascade and cascaded techniques LNA at 5.8GHz using T-matching network applicable for worldwide interoperability for microwave access (WIMAX) application. The amplifier uses FHX76LP Low Noise Super HEMT FET. The LNA designed used T-matching network consisting of lump element reactive element at the input and the output terminal. The cascade and cascaded Low Noise Amplifier (LNA) produced gain of 52.4dB and Noise Figure (NF) at 1.3dB. The input reflection (S11) and output return loss (S22) are -19.71dB and -10.07dB respectively. The bandwidth of the amplifier is more than 1.24GHz. The input sensitivity is compliant with the IEEE 802.16 standards.
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