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作者:

Gan, Jun-ning (Gan, Jun-ning.) | Zhang, Wan-rong (Zhang, Wan-rong.) | Xie, Hong-yun (Xie, Hong-yun.) | Jin, Dong-yue (Jin, Dong-yue.) | Shen, Pei (Shen, Pei.) | Li, Jia (Li, Jia.) | Huang, Lu (Huang, Lu.) | Huang, Yi-wen (Huang, Yi-wen.) | Hu, Ning (Hu, Ning.)

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CPCI-S EI Scopus

摘要:

We report a novel PIN diode SiGe HBT variable gain amplifier (VGA) suited for the standard of WCDMA. The PIN diode which is employed in the feedback loop of the VGA play as a variable resistor to realize the gain control function. By adjusting the bias of the diode, the gain of the VGA can be changed. An inductor is utilized in the feedback loop to reduce the noise figure of the circuit. After matching the circuit, we get a variable gain amplifier with 21dB dynamic range, about 19dB maximum gain, and 2.6dB minimum noise figure. This work demonstrates a new method controlling the gain by adding a PIN diode in the feedback loop except changing the bias of the transistor.

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作者机构:

  • [ 1 ] [Gan, Jun-ning]Beijing Univ Technol, Sch Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Zhang, Wan-rong]Beijing Univ Technol, Sch Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Xie, Hong-yun]Beijing Univ Technol, Sch Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Jin, Dong-yue]Beijing Univ Technol, Sch Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Shen, Pei]Beijing Univ Technol, Sch Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 6 ] [Li, Jia]Beijing Univ Technol, Sch Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 7 ] [Huang, Lu]Beijing Univ Technol, Sch Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 8 ] [Huang, Yi-wen]Beijing Univ Technol, Sch Elect Informat & Control Engn, Beijing 100124, Peoples R China
  • [ 9 ] [Hu, Ning]Beijing Univ Technol, Sch Elect Informat & Control Engn, Beijing 100124, Peoples R China

通讯作者信息:

  • [Gan, Jun-ning]Beijing Univ Technol, Sch Elect Informat & Control Engn, Beijing 100124, Peoples R China

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来源 :

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON COMMUNICATION SOFTWARE AND NETWORKS

ISSN: 2159-3566

年份: 2009

页码: 593-596

语种: 英文

被引次数:

WoS核心集被引频次: 1

SCOPUS被引频次: 1

ESI高被引论文在榜: 0 展开所有

万方被引频次:

中文被引频次:

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