Chin. J. Semicond. > 2006, Volume 27 > Issue 10 > 1808-1813

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Analysis and Design of 10Gb/s,0.2μm GaAs PHEMTTrans-Impedance Amplifiers

Cai Shuicheng, Wang Zhigong, Gao Jianjun and Zhu En

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Abstract: A 10Gb/s low noise preamplifier based on a 0.2μm GaAs PHEMT is theoretically analyzed,simulated,and taped out for verification.A common-source topology is adopted to reduce the noise and enhance the sensitivity.The test results show that under a single supply voltage of 3.3V,the preamplifier has a trans-impedance of 57.8dB·Ω with a bandwidth of over 10GHz.The chip’s area is 0.5mm×0.4mm.According to the test results the preamplifier can operate well at 10Gb/s.

Key words: PHEMT trans-impedance noise

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    Received: 18 August 2015 Revised: 12 June 2006 Online: Published: 01 October 2006

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      Cai Shuicheng, Wang Zhigong, Gao Jianjun, Zhu En. Analysis and Design of 10Gb/s,0.2μm GaAs PHEMTTrans-Impedance Amplifiers[J]. Journal of Semiconductors, 2006, In Press. Cai S C, Wang Z G, Gao J J, Zhu E. Analysis and Design of 10Gb/s,0.2μm GaAs PHEMTTrans-Impedance Amplifiers[J]. Chin. J. Semicond., 2006, 27(10): 1808.Export: BibTex EndNote
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      Cai Shuicheng, Wang Zhigong, Gao Jianjun, Zhu En. Analysis and Design of 10Gb/s,0.2μm GaAs PHEMTTrans-Impedance Amplifiers[J]. Journal of Semiconductors, 2006, In Press.

      Cai S C, Wang Z G, Gao J J, Zhu E. Analysis and Design of 10Gb/s,0.2μm GaAs PHEMTTrans-Impedance Amplifiers[J]. Chin. J. Semicond., 2006, 27(10): 1808.
      Export: BibTex EndNote

      Analysis and Design of 10Gb/s,0.2μm GaAs PHEMTTrans-Impedance Amplifiers

      • Received Date: 2015-08-18
      • Accepted Date: 2006-04-17
      • Revised Date: 2006-06-12
      • Published Date: 2006-10-12

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