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In this paper we have discussed the design of multiple band low noise amplifier using micro strip lines structure and its simulation based performance analysis. LNA design is very difficult work in the receiver part because the signal which received is very weak and gets affected easily with the noise. Therefore it is necessary that new design must give noise figure as low as possible over a wide...
A low noise amplifier (LNA) for UHF UWB radar receiver is implemented in this paper. Based on negative feedback technology, this LNA has a gain above 32dB. The gain flatness is below 1.1 dB. With the operating current under 50mA, the noise figure is less than 1.5dB. The LNA is integrated into the UWB receiver, which can reduce the gain flatness of receiver and avoid saturation and overload of receiver.
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