ABSTRACT: This paper presents the low noise amplifier for ultra wide-band applications.the UWB LNA is design in 0.18µm CMOS technique to achieve low noise figure ,low power consumption and high gain. To attain the low power dissipation and low supply voltage,foldedcascode with current reused technique is utilized in first stage. Negative feedback is adopted to extend the bandwidth. using the proposed technique ,a maximum gain of 12.7 dB and minimum noise figure of 2dB is achieved. The total power consumption is37 mW.S11 and S22 are less than -10 dB. Manuscript profile

A new ultra-wideband 3.1-10.6 GHz low noise amplifier(LNA), designed in chartered 0.18μm technology, is presented in this paper.By using  series inductive peaking in the feedback loop is used to improve the basndwidth of the LNA. Based on the noise-canceling technique,voltage  gain is increased. Measurements show that the S11 and S22 are less than -10 dB, and the maximum amplifier gain S21 gives 12.9dB, and the minimum noise figure is 2.6dB, and the power consumption is 13.6 mW from 1.8V supply voltage.      Manuscript profile