NDLI: Feedforward charge injection technique in a continuous time delta-sigma modulator

Content Provider	IEEE Xplore Digital Library
Author	Anand, A. Kanemoto, D. Fahmy, G.A. Pokharel, R.K. Kanaya, H. Yoshida, K.
Copyright Year	2012
Description	Author affiliation: Graduate School and Faculty of Information Science and Electrical Engineering, Kyushu University, Fukuoka, Japan (Anand, A.; Kanemoto, D.; Fahmy, G.A.; Pokharel, R.K.; Kanaya, H.; Yoshida, K.)
Abstract	In this paper, we analyze the feedforward charge injection technique (FCIT) in a continuous time delta-sigma modulator (CTDSM) and explain the theory behind improvement of SNR. We find that the feedforward charge injection technique (FCIT) in a CTDSM significantly reduces the node voltage swing at the input of the operational transconductance amplifier (OTA) and thereby relaxes the design constraint on OTA by suppressing third harmonics and thus reduces power consumption significantly. We also observe that there exist three different regions of design with respect to the power consumption out of which only one region is critical with respect to power reduction and robust design. Combined with the regions of design FCIT enables to design robust CTDSM with low power consumption.
Starting Page	1
Ending Page	5
File Size	811352
Page Count	5
File Format	PDF
ISBN	9781467348232
ISSN	21593450
e-ISBN	9781467348249
e-ISBN	9781467348225
DOI	10.1109/TENCON.2012.6412256
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-11-19
Publisher Place	Philippines
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Topology Modulation Signal to noise ratio Harmonic analysis Power demand Feedforward neural networks Mathematical model Low power design optimization Continuous-time delta-sigma modulator Feedforward charge injection technique
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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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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