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Author:

Shen, Pei (Shen, Pei.) | Zhang, Wan-Rong (Zhang, Wan-Rong.) | Jin, Dong-Yue (Jin, Dong-Yue.) | Xie, Hong-Yun (Xie, Hong-Yun.) | Ding, Chun-Bao (Ding, Chun-Bao.) | You, Yun-Xia (You, Yun-Xia.) | Sun, Bo-Tao (Sun, Bo-Tao.)

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EI Scopus

Abstract:

A novel SiGe HBT low noise amplifier (LNA) was designed by adopting the feedback resistors, which are low cost and implemented easily in VLSI technology. Due to the absence of on-chip spiral inductor, the die area of this novel LNA decreases noticeably. The novel resistive feedback structure of the LNA comprising a shunt feedback loop and a series feedback loop, wherein the shunt feedback loop is used for the adjusting the noise performance, while the series feedback loop is used for adjusting the gain performance. Hence, by using the novel feedback technique, the traditional conflict between the gain and the noise performance could be resolved successfully for the amplifier. Finally, this monolithic SiGe HBT LNA with the novel feedback configuration was fabricated in 0.35-m Si BiCMOS technique, and the die area of the LNA is only 0.282mm2. The measurement results show that in the band from 0.2 to1.2GHz, the minimum noise figure(NF) is 2.5dB, the maximum gain is as high as 27dB, and both the input and output reflections(S11, S22) are less than 9dB. These results provide a significant guide for the design and development of integrated circuit based on Si technology. © 2011 IEEE.

Keyword:

Si-Ge alloys Low noise amplifiers Feedback amplifiers Noise figure Feedback Silicon

Author Community:

  • [ 1 ] [Shen, Pei]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Zhang, Wan-Rong]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 3 ] [Jin, Dong-Yue]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 4 ] [Xie, Hong-Yun]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 5 ] [Ding, Chun-Bao]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 6 ] [You, Yun-Xia]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China
  • [ 7 ] [Sun, Bo-Tao]School of Electronic Information and Control Engineering, Beijing University of Technology, Beijing 100124, China

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Source :

Year: 2011

Page: 56-59

Language: English

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 9

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