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微弱信号下的超宽带放大器设计与匹配技术研究

Design and Simulation of LNA for UWB with Broadband Matching Based on Weak Signal
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摘要 设计了应用于超宽带系统的低噪声放大器,通过优化噪声电阻,降低了匹配的难度,并最终设计了一个高通滤波器作为输入端的匹配网络,实现了在超宽频带内的匹配,并在噪声性能仅恶化0.4 dB下,获得了最大功率传输,实现了噪声和功率的同时匹配,降低了UWB系统对器件本身的依赖。 A low noise amplifier that applied to the ultra-wideband system was designed, and lower the match difficulty by optimize noise resistance, finally, a high pass filter （HPT） was built as the input-end in the matching network, together with the noise performance only worsened under 0.4 dB, we can obtain the maximum power transfer, achieve matching of the noise and the power transfer at the same time and reduce the dependence of UWB system to the components.
作者 赵常余 赫建成
机构地区 西南科技大学信息工程学院
出处 《西南科技大学学报》 CAS 2010年第1期68-72,共5页 Journal of Southwest University of Science and Technology
关键词 微弱信号 超宽带 低噪声放大器 宽带匹配 Weak signal UWB LNA Broadband-matching
分类号 TN402 [电子电信—微电子学与固体电子学]
  • 相关文献

参考文献5

  • 1华明清,王志功,李智群.0.18-μm CMOS3.1-10.6GHz超宽带低噪声放大器设计[J].电路与系统学报,2007,12(1):44-47. 被引量：12
  • 2Vishwakarma, S. , Sungyong Jung, Youngjoong Joo. Ultra Wideband CMOS Low Noise Amplifier with Active Input Matching. UltraWideband Systems[ A]. Joint with Conference on Uhrawidebhud Systems and Technologies. Joint UWBST&IWUWBS. 2004 InternationalWorkshop [ C ]. 2004 -05. 415 - 419.
  • 3Lira, Wei-meng, Manh Anh Do, MA Jian-guo, et al. A Broadband CMOS LNA for WLAN Applications[A]. Ultra Wideband Systems and Technologies, 2003 IEEE Conference [ C ]. 2003 - 11.42 - 46.
  • 4WANG Yan-xin, J. S. Duster, K. T. Kornegay. Design of an Ultra-wideband Low Noise Amplifier in 0. 13 - μm CMOS. Circuits and Systems [ J ]. 2005. ISCAS2005. IEEEIntemational Symposium [ C ]. 2005 - 05,5:5067 - 5070.
  • 5Giuseppe Cusmai, Massimo Brandolini, Paolo Rossi, and Francesco Sveto. A 0.18 - μm CMOS Selective Receiver Front-End for UWB Application [ J ]. IEEE Journal of Solid-State Circuits, 2006,41 (8) : 1764 - 1771.

二级参考文献5

  • 1Thomas H Lee.The Design of CMOS Radio-Frequency Integrated Circuits[M].Cambridge University Press 2004.334-351.
  • 2George L Matthaei,Leo Young,E M T Jones.Microwave Filters,Impedance-Matching Networks,and Coupling Structures[M].McGraw-Hill.1964.3-5.
  • 3Vishwakarma S,Sungyong Jung,Youngjoong Joo.Ultra wideband CMOS low noise amplifier with active input matching Ultra Wideband Systems[A].2004.Joint with Conference on Ultra wideband Systems and Technologies.Joint UWBST&IWUWBS.2004 International Workshop[C].2004-05.415-419.
  • 4Wei Meng Lim,Manh Anh Do,Jian Guo Ma,Kiat Seng Yeo.A broadband CMOS LNA for WLAN applications[A].Ultra Wideband Systems and Technologies,2003 IEEE Conference[C].2003-11.42-46.
  • 5Yanxin Wang,Duster J S,Kornegay K T.Design of an ultra-wideband low noise amplifier in 0.13/spl mu/m CMOS.Circuits and Systems[A].2005.ISCAS 2005.IEEE International Symposium[C].2005-05,5:5067-5070.

共引文献11

西南科技大学学报
2010年 第1期

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