Development of cryogenically-cooled low noise amplifier for mobile base station receivers |
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| Authors: | Zhang Xu Liu Jia Chen ChuangYe Liu Wei Liu JingBin Li BaoHui He Ming Zhou TieGe Zhao XinJie Yan ShaoLin Fang Lan |
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| Institution: | ZHANG XU~1,2*,LIU Jia~2,CHEN ChuangYe~2,LIU Wei~2,LIU JingBin~2,LI BaoHui~1,HE Ming~2,ZHOU TieGe~2,ZHAO XinJie~2,YAN ShaoLin~2 & FANG Lan~2 1School of Physics,Nankai University,Tianjin 300071,China,2College of lnformation Technical Science |
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| Abstract: | A new circuit model for designing and manufacturing an S-band low noise amplifier(LNA) with the software,Advanced Design System(ADS),is introduced in this paper.The proposed model involves shunted impedance at the grid to achieve a stable LNA without measuring the S-parameters of transistors at low temperatures.The LNA was measured over the operation band of 2.2-2.3 GHz,which has input and output standing wave ratios below 1.2.The noise figure of the manufactured LNA was about 0.2 dB and the gain was above ... |
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| Keywords: | low noise amplifier low temperature gain noise figure |
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