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Patent NumberCN102231623A
Status廢棄/停產/失效 Abandoned/Discontinued/Lapse
一种基于正反馈电感替代法的有源低通滤波器
Year Issued2011
2011-11-02
Application NumberCN201110095576.7
Application Date2011-04-15
Rights Holder清华大学
陈勇; 杨佳乐; 张莉; 王燕; 钱鹤
Date Available2011-11-02
Country中國
Subtype发明专利 Invention
Abstract

本发明涉及一种基于正反馈电感替代法的有源低通滤波器,属于模拟滤波器设计领域。包括:电容单元,用于综合低通滤波特性,其中,第二电容和第四电容用于变换有源电感;输入单元,用于在电压域转换输入信号;有源电感单元,用于实现基于正反馈的有源电感。本发明的基于正反馈电感替代法的有源低通滤波器,基于正反馈技术实现实现电感替代法设计高阶有源低通滤波器,使其受工艺偏差影响很小;采用电流复用技术和电压域处理模拟信号,实现了在低功耗下获得高线性度;可由很少的晶体管实现,结构对称简单,易于设计;还可通过调整输入部分中第一PMOS管和第三PMOS管、第二PMOS管和第四PMOS管的宽的比例,实现不同通带增益。

Language中文Chinese
Document TypePatent
CollectionINSTITUTE OF MICROELECTRONICS
Affiliation清华大学
Recommended Citation
GB/T 7714
陈勇,杨佳乐,张莉,等. 一种基于正反馈电感替代法的有源低通滤波器. CN102231623A[P]. 2011-11-02.
APA 陈勇., 杨佳乐., 张莉., 王燕., & 钱鹤 (2011-04-15). 一种基于正反馈电感替代法的有源低通滤波器.
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