| 一款2 G/s采样率20 GHz带宽主从式跟踪保持电路设计研究 |
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| 引用本文： | 张贵福,周劼,刘友江.一款2 G/s采样率20 GHz带宽主从式跟踪保持电路设计研究[J].强激光与粒子束,2020,32(6):063006-1-063006-8. |
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| 作者姓名： | 张贵福 周劼 刘友江 |
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| 作者单位： | 中国工程物理研究院电子工程研究所,四川绵阳 621900;中国工程物理研究院,四川绵阳 621900 |
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| 摘 要： | 设计了一款全差分、20 GHz带宽主从式跟踪保持芯片(MS-THA)。该芯片采样率为2 G/s,工作带宽大于20 GHz,采用0.13μm SiGe BiCMOS工艺实现。该芯片采用传统的开关发射极跟随器(SEF)作为跟踪保持核心电路,Cherryhooper电路作为输入缓冲和输出缓冲的带宽增强核心电路,并利用交叉反馈电容抑制馈通。为了验证上述电路的有效性,设计了一个单级THA电路,测试结果为MS-THA电路提供了足够的支持。在单电源+3.3 V供电、输入直流电平为0 V,2 G/s采样率以及-3 dBm输入信号功率条件下,获得的单端输出无杂散动态范围小于-23.5 dB,总功耗约为300 mW。
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| 关 键 词： | 主从式 跟踪保持放大器 SiGeBiCMOS工艺 无杂散动态范围 |
| 收稿时间： | 2019-11-05 |
A 2 G/s sampling rate, 20 GHz bandwidth master-slave track-and-hold amplifier in 0.13 μm SiGe BiCMOS technology |
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| Zhang Guifu,Zhou Jie,Liu Youjiang.A 2 G/s sampling rate, 20 GHz bandwidth master-slave track-and-hold amplifier in 0.13 μm SiGe BiCMOS technology[J].High Power Laser and Particle Beams,2020,32(6):063006-1-063006-8. |
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| Authors: | Zhang Guifu Zhou Jie Liu Youjiang |
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| Affiliation: | 1.Institute of Electronic Engineering, CAEP, Mianyang 621900, China2.China Academy of Engineering Physics, Mianyang 621900, China |
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| Abstract: | A fully-differential master-slave track-and-hold amplifier(MS-THA),with 20 GHz bandwidth is designed and fabricated using 0.13μm SiGe BiCMOS technology.The MS-THA employs conventional switchedemitter-follower(SEF)as track-and-hold core circuit,Cherryhooper circuits as band-boosting of input buffer and output buffer.To verify the validity of the above circuits,a single-stage THA is designed together with the MS-THA.Operating with a single+3.3 V supply,0 V input direct-voltage,2 G/s sampling and-3 dBm input power,the MS-THA achieves a single-ended spurious free dynamic range(SFDR)of less than-23.5 dB at frequency of up to20 GHz,and total power consumption of about 300 mW. |
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| Keywords: | master-slave track-and-hold amplifier SiGe BiCMOS spurious free dynamic range |
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