NDLI: Effects Of OTA's Nonidealities On Bandpass Otabased Tow-thomas Biquad And Compensation Via Simulated Annealing Algorithm

Content Provider	IEEE Xplore Digital Library
Author	Chaisricharoen, R. Chipipop, B. Sirinaovakul, B.
Copyright Year	2006
Description	Author affiliation: Mae Fah Luang Univ. (Chaisricharoen, R.)
Abstract	In this work, the practical response of a very compact version of OTA-based TT biquad which is not suitable to compensate with regular methods, is compensated by the use of SA algorithm. For effective compensation, the OTA nonidealities are precisely defined based on the commercially available OTA, LM13700 from National Semiconductor. The initial solution is obtained via the ordinary method of an analogue filter design based on the utilization of ideal-OTA-based transfer function which provides the response that is much deviated from the desired bandpass response especially in the pole frequency closing to the OTA's finite bandwidth. The Matlab is used as the tool for implementing the compensation process, while the results which are the circuit parameters are being verified by the OrCAD PSPICE simulation. Using the SSE based cost function; the simulation displays the significant improvement of the compensated response compared to the initial solution but still not acceptable. To retrieve the remarkable response, the weighted SSE is utilized while maintaining others parameters
Starting Page	665
Ending Page	670
File Size	245250
Page Count	6
File Format	PDF
ISBN	8392263227
DOI	10.1109/MIXDES.2006.1706667
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-22
Publisher Place	Poland
Access Restriction	Subscribed
Rights Holder	DEPT OF MICROELECTRONICS AND COMP SCIENC
Subject Keyword	Operational amplifiers Absorption Circuit simulation Computational modeling Transfer functions Simulated annealing Bandwidth Band pass filters Impedance Transconductance
Content Type	Text
Resource Type	Article

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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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