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一种应用于CMOS放大器的带宽扩展技术

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摘要 介绍一种能用于CMOS放大器上的带宽扩展技术。该技术是在共源共栅结构的基础上改进而来,在共栅管栅极加入电感、电容和电阻,可以实现可控的高频增益峰值。通过对其小信号条件下的传输函数进行零极点分析,阐述其带宽扩展原理。同时该技术被应用于1-5GHzCMOS宽带低噪放的设计上。仿真结果表明,和传统的共源共栅结构相比,实现1倍的带宽提升。
作者 高阳
出处 《大众科技》 2010年第10期33-34,共2页 Popular Science & Technology
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参考文献5

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