Abstract | ||
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In this paper a new digital background distortion calibration technique based on an effective opamp distortion modeling is introduced. The gain curve of the amplifier is approximated using least square fitting method in which the unknown coefficients are estimated directly by using of a reference ADC, and consequently, extendibility toward higher order harmonics and fast calibration time are the major advantages of the proposed correction technique. The fitting process results confirm that the technique can be more effective in comparison to the correlation based methods which are based on injection a pseudo random noise sequence in the structure. |
Year | DOI | Venue |
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2008 | 10.1109/APCCAS.2008.4746145 | APCCAS |
Keywords | Field | DocType |
analogue-digital conversion,calibration,nonlinear distortion,operational amplifiers,random sequences,digital background distortion,higher order harmonics,least square fitting,nonlinearity error calibration,opamp distortion,pseudorandom noise sequence,reference ADC,Calibration,fitting process,least square,opamp distortion,pipelined ADC,reference ADC | Least squares,Pseudorandom noise,Nonlinear system,Computer science,Control theory,Electronic engineering,Nonlinear distortion,Distortion,Operational amplifier,Calibration,Amplifier | Conference |
ISBN | Citations | PageRank |
978-1-4244-2342-2 | 1 | 0.36 |
References | Authors | |
6 | 2 |
Name | Order | Citations | PageRank |
---|---|---|---|
Armin Jalili | 1 | 7 | 2.20 |
Masoud Sayedi | 2 | 3 | 1.41 |