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作者:

Lu, Z. Y. (Lu, Z. Y..) | Xie, H. Y. (Xie, H. Y..) | Zhang, W. R. (Zhang, W. R..) | Huo, W. J. (Huo, W. J..) | Guo, Z. J. (Guo, Z. J..) | Xing, G. H. (Xing, G. H..) | Ding, C. B. (Ding, C. B..) | Chen, L. (Chen, L..) | Zhang, Y. J. (Zhang, Y. J..)

收录:

CPCI-S

摘要:

This paper presents a general methodology to design a LNA with current reuse topology for two standards which can operate at mobile band of 1.8GHz and WLAN band of 5.2GHz. A novel current reuse topology is proposed to reduce the power consumption and enhance the transmission gain. The input matching is achieved through serial and parallel LC circuit. Inductor degeneration in emitter is introduced to decouple the input impedance from the noise factor. The proposed LNA is designed in JAZZ SiGe HBT 0.35 mu m process. It achieves transmission gains of 30dB and 20dB, noise figures of 2.1dB and 1.7 dB respectively at 1.8GHz and 5.2GHz. And both S11 are below -17dB. The power consumption is 24.5mW under a power supply voltage of 3.5V.

关键词:

current reuse dual-band Inductor degeneration low noise amplifier SiGe HBT

作者机构:

  • [ 1 ] [Lu, Z. Y.]Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Xie, H. Y.]Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Zhang, W. R.]Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Huo, W. J.]Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Guo, Z. J.]Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 6 ] [Xing, G. H.]Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 7 ] [Ding, C. B.]Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 8 ] [Chen, L.]Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 9 ] [Zhang, Y. J.]Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • [Lu, Z. Y.]Beijing Univ Technol, Coll Elect Informat & Control Engn, Beijing 100124, Peoples R China

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来源 :

2011 INTERNATIONAL CONFERENCE OF ELECTRON DEVICES AND SOLID-STATE CIRCUITS (EDSSC)

年份: 2011

语种: 英文

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