[1]蔡水成,王志功,朱恩.2.5 Gbit/s PHEMT前置放大器噪声分析与验证[J].东南大学学报(自然科学版),2007,37(3):364-367.[doi:10.3969/j.issn.1001-0505.2007.03.002]
 Cai Shuicheng,Wang Zhigong,Zhu En.Noise analysis and verification of 2.5 Gbit/s PHEMT preamplifier[J].Journal of Southeast University (Natural Science Edition),2007,37(3):364-367.[doi:10.3969/j.issn.1001-0505.2007.03.002]
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2.5 Gbit/s PHEMT前置放大器噪声分析与验证()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
37
期数:
2007年第3期
页码:
364-367
栏目:
电子科学与工程
出版日期:
2007-05-20

文章信息/Info

Title:
Noise analysis and verification of 2.5 Gbit/s PHEMT preamplifier
作者:
蔡水成 王志功 朱恩
东南大学射频与光电集成电路研究所, 南京 210096
Author(s):
Cai Shuicheng Wang Zhigong Zhu En
Institute of RF and OE-ICs, Southeast University, Nanjing 210096, China
关键词:
PHEMT 跨阻放大器 噪声
Keywords:
pseudomorphic high electron mobility transistor(PHEMT) trans-impedance noise
分类号:
TN722.3
DOI:
10.3969/j.issn.1001-0505.2007.03.002
摘要:
根据OMMIC公司通过测量得到的0.2 μm GaAs PHEMT器件参数模型和噪声模型,设计了2.5 Gbit/s的共源跨阻前置放大器.并根据PHEMT晶体管Y参数下的噪声模型,结合Y参数和ABCD参数下的噪声密度矩阵,分析了电路在带有晶体管噪声源情况下整个电路的噪声电压,得出了共源跨阻前置放大器等效输入噪声电流密度的理论公式.实现了芯片制作,并且对芯片进行了噪声参数的测量,测量结果、仿真结果和理论分析结论在6 GHz的频率范围内基本符合.
Abstract:
A 2.5 Gbit/s common-source trans-impedance amplifier is analyzed in theory and designed based on the OMMIC’s GaAs pseudomorphic high electron mobility transistor(PHEMT)noise model. Based on the OMMIC PHEMT Y parameter noise model and combined Y and ABCD parameter noise density matrix, the noise voltage of the common-source trans-impedance amplifier with transistor noise source is analyzed in this paper, and the formula of input noise current density is presented. A 2.5 Gbit/s low noise preamplifier based on 0.2 μm GaAs PHEMT is realized. The test results and the simulation result are in accordance with the theory analysis in the bandwidth of 6 GHz.

参考文献/References:

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相似文献/References:

[1]周忻,朱恩,孙玲,等.宽带电流模形式PHEMT前置放大器设计[J].东南大学学报(自然科学版),2005,35(6):872.[doi:10.3969/j.issn.1001-0505.2005.06.009]
 Zhou Xin,Zhu En,Sun Ling,et al.Design of wideband current-mode PHEMT preamplifier[J].Journal of Southeast University (Natural Science Edition),2005,35(3):872.[doi:10.3969/j.issn.1001-0505.2005.06.009]

备注/Memo

备注/Memo:
基金项目: 国家高技术研究发展计划(863计划)资助项目(2001AA312060).
作者简介: 蔡水成(1976—),男,博士生; 王志功(联系人),男,博士,教授,博士生导师,zgwang@seu.edu.cn.
更新日期/Last Update: 2007-05-20