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A Synthesis-Based Bandwidth Enhancement Technique for CMOS Amplifiers Theory and
提出一种基于合成的CMOS放大器带宽增强技术,实现4.84的带宽增强比。
18.5 dB增益,28 GHz带宽,52 mW功耗,1.8 V电源
带宽增强CMOS放大器无源网络峰值宽带放大器
▸创新点1:提出了一种基于综合的带宽增强技术,通过优化无源网络设计,实现了带宽增强比(BWER)达到4.84,接近理论上限4.93,显著提升了CMOS放大器的带宽性能。
▸创新点2:该方法采用逐步设计流程,能够适应任意负载条件,特别是负载电容与跨导单元输出电容的比值变化,增强了技术的通用性和适用性。
▸创新点3:通过使用低阶无源网络,减少了芯片面积和电路复杂度,同时保持了高性能,验证了在0.18微米CMOS工艺下的可行性,实现了18.5 dB增益和28 GHz带宽。
▸创新点4:详细分析了该技术的时域行为,验证了其在频率和时域中的表现,为高速通信系统中的多Gbps集成电路设计提供了新的解决方案。
Abstract
, Student Member , IEEE, and Payam Heydari , Senior Member , IEEE
Abstract—A synthesis-based bandwidth enhancement technique
for CMOS amplifiers/buffers is presented. It achieves bandwidth-
enhancement ratio (BWER) of 4.84, close to a proven theoretical
upper limit of 4.93 for passive network with balanced capacitive
loads. By employing a step-by-step design methodology, the pro-
posed technique can be applied to any load condition, which is
characterized by the ratio between the load capacitanc