| 超宽带低噪声放大器的计算机辅助设计 |
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| 引用本文： | 宋云明,杨建慧,姚保纶.超宽带低噪声放大器的计算机辅助设计[J].固体电子学研究与进展,1995,15(1):11-15. |
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| 作者姓名： | 宋云明 杨建慧 姚保纶 |
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| 作者单位： | 上海交通大学光纤技术研究所，清华大学电子工程系 |
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| 摘 要： | 叙述了超宽带低噪声放大器的计算机辅助设计方法，提出了利用普通微带混合集成电路．工艺设计超宽带低噪声放大器的方法和关键技术，并且用带封装的ＢＪＴ和ＦＥＴ实现了两个超宽带低噪声放大器。实验结果和设计结果吻合较好。一个利用２ＳＣ３３５８，放大器为三级，频带为３０ｋＨＺ～１６００ＭＨＺ，增益Ｇ＝２０±１ｄＢ，噪声系数ＮＦ≤３．５ｄＢ；另一个利用ＡＴＦ１０２３５（６），放大器为二级，频带为５００ｋＨＺ～６０００ＭＨＺ，增益Ｇ＝２０±２ｄＢ，噪声系数ＮＦ≤２ｄＢ。
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| 关 键 词： | 宽带放大器，计算机辅助设计，低噪声 |
The CAD of Ultra-wide Band Low Noise Amplifier |
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| Song Yunming.The CAD of Ultra-wide Band Low Noise Amplifier[J].Research & Progress of Solid State Electronics,1995,15(1):11-15. |
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| Authors: | Song Yunming |
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| Abstract: | The CAD of ultra-wide band low noise amplifier is described, andsome methods and critical techniques of achieving ultra-wide band low noise amplifiers by using common microstrip hybrid integrated circuit technology are also presented. Using the packaged BJTs and FETs separately, we have completed two ultra-wide band low noise amplifiers. The measured results fit with the design resultswell. One three-stage amplifier by using 2SC3358 presents gain G=20±1 dB andnoise figure NF≤3. 5 dB in frequency band from 30 kHz to 1 600 MHz. Anothertwo-stage amplifier with ATF 10235 (6) as the active devices gives gain G= 20±2dB and noise figure NF≤2 dB in frequency band from 500 kHz to 6 000 MHz. |
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| Keywords: | Wide Band Amplifier CAD Low Noise |
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