Abstract
In this paper, an improved gain CMOS Low Noise Amplifier (LNA) is presented. Here a single stage common source amplifier with common gate as cascode circuit is used to design the LNA. It is having small signal gain of 14.4 dB and covers the bandwidth from 4.47 GHz to 5.41 GHz. It has been observed that at the center frequency of 5 GHz the input and output return loss are −17.98 dB and −15.86 dB respectively. A 1 dB compression point is at −14.85 dBm at 5 GHz input frequency. From 1.8 V supply voltage, 4.67 mA current is drawn.
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