NDLI: A low-power Gm-R-C image rejection filter for complex low-IF receiver

Content Provider	IEEE Xplore Digital Library
Author	Hao Li Hong Zhang Xunwei Weng Ruizhi Zhang
Copyright Year	2011
Description	Author affiliation: Department of Microelectronics, Xi'an Jiaotong University, 710049, China (Hao Li; Hong Zhang; Xunwei Weng; Ruizhi Zhang)
Abstract	In this paper, a $1^{st}-order$ Gm-R-C complex filter cell for image rejection in low-IF receivers is proposed. The cell adopts low-power fully differential Gm-cells with RC load to perform low-pass filtering for the input I/Q signals. Frequency translation is realized by two additional differential Gm cells through directly cross-adding relevant currents. Based on the proposed $1^{st}-order$ cell, a $4^{th}-order$ Butterworth complex filter with center frequency at 300 KHz and bandwidth of 160 KHz is designed in 0.18 µm CMOS technology. Simulated results show that the filter achieves an image rejection ratio of 62 dB, an in-band SFDR of 58.9 dB, a pass-band gain of 18 dB, and an input referred noise of 19.4 µVrms, while consuming only 593 µA from a 2.7 V supply.
Starting Page	998
Ending Page	1001
File Size	904049
Page Count	4
File Format	PDF
ISBN	9781612841922
ISSN	2162755X
e-ISBN	9781612841939
e-ISBN	9781612841915
DOI	10.1109/ASICON.2011.6157375
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-10-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	CMOS technology Bandwidth CMOS integrated circuits Fabrication
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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