Abstract
A shunt resistive feedback CMOS low noise amplifier (LNA) using a pi-matching network has been designed in this paper using 0.13 μm CMOS technology. The low noise amplifier is optimized for working in the 2.4 GHz frequency band range. The shunt resistive feedback topology with pi-matched input provides low noise figure, moderate gain and high linearity. Advanced Design System (ADS) software is used for simulation. The fabricated LNA uses 1.2V supply voltage and it exhibits a gain of 15.417 dB, noise figure of 1.182 dB, input reflection coefficient (S 11 ) of −9.170 dB, reverse gain (S 12 ) of −18.909 dB and an IIP3 of 8 dBm.
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