| 跨阻放大器S参数与跨阻增益间的关系 |
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| 引用本文： | 孙玲,王志功,高建军. 跨阻放大器S参数与跨阻增益间的关系[J]. 固体电子学研究与进展, 2006, 26(1): 85-90 |
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| 作者姓名： | 孙玲 王志功 高建军 |
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| 作者单位： | 东南大学射频与光电集成电路研究所,南京,210096;南通大学江苏省专用集成电路设计重点实验室,江苏,南通,226007;东南大学射频与光电集成电路研究所,南京,210096 |
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| 摘 要： | 在等效电路模型基础上,推导了单端输入单端输出和单端输入差分输出情况下跨阻放大器跨阻增益计算公式,探讨了光探测器输出阻抗对跨阻增益的影响,分析了电路S参数与跨阻增益的关系。并且利用ADS仿真工具对理论推导进行了仿真验证,最后通过实验测量单端输入单端输出跨阻放大器的S参数及数据分析,对理论进行了验证。
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| 关 键 词： | 光接收机 前置放大器 跨阻增益 S参数测量 |
| 文章编号： | 1000-3819(2006)01-085-06 |
| 收稿时间： | 2005-04-20 |
| 修稿时间： | 2005-06-22 |
Relationship between S-parameters and Trans-impedance Gain of Transimpedance Amplifiers |
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| SUN Ling,WANG Zhigong,GAO Jianjun. Relationship between S-parameters and Trans-impedance Gain of Transimpedance Amplifiers[J]. Research & Progress of Solid State Electronics, 2006, 26(1): 85-90 |
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| Authors: | SUN Ling WANG Zhigong GAO Jianjun |
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| Affiliation: | 1.Institute of RF-and OE-ICs, Southeast University, Nanjing, 210096, CHN;2 .Jiangsu Provincial Key Lab. of ASIC Design, Nantong University, Nantong, Jiangsu, 226007, CHN |
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| Abstract: | Based on the equivalent model of circuit, the equations of transimpedance gain of a single-in single-out and a single-in differential-out transimpedance amplifier were first deduced. The relationship between the output impedance of a photodiode and the trans-impedance gain was analyzed, and the equations were proved by circuit simulation in ADS software. Finally, conclusions drawn from theoretic analysis were proved by on-wafer S-parameters measurement of a single-in single-out transimpedance amplifier. |
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| Keywords: | optical receiver preamplifier transimpedance gain S-parameter measurement |
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