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This paper presents a wide band low noise amplifier (LNA) that utilizes shunt feedback topology (SF). SF based lna suffers from strict trade-off between the input matching reflection coefficient (S'il) and noise figure NF. To break this trade-off a feed forward (FF) stage is added to achieve two in-phase nodes in the path of the signal where "a negative" Miller capacitance can be obtained...
In this paper, we present the low noise amplifier using new feedback connection configurations. The UWB LNA is design in 0.18 mum TSMC CMOS technique to achieve high gain, small size and low noise. The LNA achieved 11 dB of average power gain, low 2.87 dB noise figure (NF), -10.9 dB input match, -7 dB return loss, -3 dBm of IIP3 and only 0.54 mm2 size with 15 mW power consumption.
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