Feedforward Technique for Offset Cancellation in Broadband Differential Amplifiers

被引：0

作者：

Pham, Duy-Dong ^{[1
]}

Brinkhoff, James ^{[1
]}

Kang, Kai ^{[1
]}

Ang, Chyuen-Wei ^{[1
]}

Lin, Fujiang ^{[1
]}

Heng, Chun-Huat ^{[2
]}

机构：

[1] ASTAR, Inst Microelect, Integrated Circuits & Syst Lab, Singapore, Singapore

[2] Natl Univ Singapore, Dept Elect & Comp Engn, Singapore 117548, Singapore

来源：

PROCEEDINGS OF THE 2009 12TH INTERNATIONAL SYMPOSIUM ON INTEGRATED CIRCUITS (ISIC 2009) | 2009年

关键词：

Broadband; differential amplifier; feedforward; offset cancellation; CMOS;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a new feedforward offset cancellation technique for broadband amplifiers which are used in high speed communication systems. Unlike other conventional techniques, such as feedback cancellation or AC coupling, the proposed technique eliminates the need for larger area passive components and avoids the potential stability issue by eliminating the feedback path. Implementing in 90nm CMOS, the broadband amplifier achieves 52.3 dB gain and 2.7 GHz 3-dB bandwidth with more than 50 dB DC offset rejection.

引用

页码：89 / +

页数：2

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