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Patent NumberCN102075162B
Status已授權 Granted
一种基于共源极正反馈的双二阶单元
Year Issued2013
2013-05-01
Application Number200910238765.8
Application Date2009-11-24
Rights Holder中国科学院微电子研究所
陈勇; 周玉梅
Date Available2011-05-25
Country中国
Subtype发明专利 Invention
Abstract

本发明公开了一种基于共源极正反馈的双二阶单元,包括第一级电流积分器,用于接收输入电流信号给电容充电,提供输出电流信号,形成第一级电流积分器;第二级电流积分器,用于接收第一级电流积分器输出的电流信号给电容充电,提供输出电流信号,形成第二级电流积分器;反馈单元,用于与第一级电流积分器和第二级电流积分器一起综合复数极点;电流源,用于提供双二阶单元的支路电流。本发明提出的共源极正反馈的双二阶单元,用于级联设计方法实现高阶模拟滤波器,具有很高的带外线性度,同时有效降低了带内噪声,打破了带内的积分噪声和带外线性度是折中关系,进而提高了带外SFDR。

Language中文Chinese
Open (Notice) NumberCN102075162A
IPC Classification NumberH03h 11/04 ; H03h 11/12
Patent Agent周国城
Agency中科专利商标代理有限责任公司 11021
URLView the original
Document TypePatent
CollectionINSTITUTE OF MICROELECTRONICS
Affiliation中国科学院微电子研究所
Recommended Citation
GB/T 7714
陈勇,周玉梅. 一种基于共源极正反馈的双二阶单元. CN102075162B[P]. 2013-05-01.
APA 陈勇., & 周玉梅 (2009-11-24). 一种基于共源极正反馈的双二阶单元.
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