International Association of Computer Science and Information Technology Press (IACSIT Press)
Abstract
This project presents the cascode 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 SuperHEMT FET. The LNA designed used T-matching
network consisting of lump element reactive element at the
input and the output terminal. The cascode 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