The Simultaneous Noise and Input Voltage Standing Wave Ratio (VSWR) Matching (SNIM) condition for Low Noise Amplifier (LNA), in principle, can only be satisfied at a single fre-quency. In this paper, by analyzing the ...The Simultaneous Noise and Input Voltage Standing Wave Ratio (VSWR) Matching (SNIM) condition for Low Noise Amplifier (LNA), in principle, can only be satisfied at a single fre-quency. In this paper, by analyzing the fundamental limitations of the narrowband SNIM technique for the broadband application, the authors present a broadband SNIM LNA systematic design technique. The designed LNA guided by the proposed methodology achieves 10 dB power gain with a low Noise Figure of 0.53 dB. Meanwhile, it provides wonderful input matching of 27 dB across the fre-quency range of 3～5 GHz. Therefore, broadband SNIM is realized.展开更多
A new optimization method of a source inductive degenerated low noise amplifier（LNA） with electrostatic discharge protection is proposed.It can achieve power-constrained simultaneous noise and input matching. An ana...A new optimization method of a source inductive degenerated low noise amplifier（LNA） with electrostatic discharge protection is proposed.It can achieve power-constrained simultaneous noise and input matching. An analysis of the input impedance and the noise parameters is also given.Based on the developed method,a 2.4 GHz LNA for wireless sensor network application is designed and optimized using 0.18-μm RF CMOS technology. The measured results show that the LNA achieves a noise figure of 1.59 dB,a power gain of 14.12 dB, an input 1 dB compression point of-8 dBm and an input third-order intercept point of 1 dBm.The DC current is 4 mA under a supply of 1.8 V.展开更多
文摘The Simultaneous Noise and Input Voltage Standing Wave Ratio (VSWR) Matching (SNIM) condition for Low Noise Amplifier (LNA), in principle, can only be satisfied at a single fre-quency. In this paper, by analyzing the fundamental limitations of the narrowband SNIM technique for the broadband application, the authors present a broadband SNIM LNA systematic design technique. The designed LNA guided by the proposed methodology achieves 10 dB power gain with a low Noise Figure of 0.53 dB. Meanwhile, it provides wonderful input matching of 27 dB across the fre-quency range of 3～5 GHz. Therefore, broadband SNIM is realized.
基金Project supported by the National High Technology Research and Development Program of China(No.2007AA01Z2A7)the 5th Program of Six Talent Summits of Jiangsu Province,China
文摘A new optimization method of a source inductive degenerated low noise amplifier（LNA） with electrostatic discharge protection is proposed.It can achieve power-constrained simultaneous noise and input matching. An analysis of the input impedance and the noise parameters is also given.Based on the developed method,a 2.4 GHz LNA for wireless sensor network application is designed and optimized using 0.18-μm RF CMOS technology. The measured results show that the LNA achieves a noise figure of 1.59 dB,a power gain of 14.12 dB, an input 1 dB compression point of-8 dBm and an input third-order intercept point of 1 dBm.The DC current is 4 mA under a supply of 1.8 V.
