Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Patent
1998-05-15
2000-05-16
Tokar, Michael
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
341131, H03M 112
Patent
active
060643285
ABSTRACT:
In an analog-digital converter, a sine signal angle-modulated with noise or pseudonoise is used as a dither signal. The dither signal is superposed on an analog useful signal that is to be digitized. This signal is then digitized. The dither signal is then filtered out to produce the digitized useful signal.
REFERENCES:
patent: 4761634 (1988-08-01), Yamaguchi et al.
patent: 5525984 (1996-06-01), Bunker
Babu et al., Testing an ADC . . . Dither, IEEE Transaction on instrumentation and Measurement, vol. 47, No. 4, pp. 839-848, Aug. 1998.
Wagdy et al. Linearizing . . . Digital Dither, IEEE Transactions on Instrumewntation and Measurement, vol. 43, No. 2, pp. 146-150, Apr. 1994.
Wagdy et al., Validity of Uniform . . . With Dither, IEEE Transactions on Instrumentation and Measurement, vol. 38, No. 3, pp. 718-722, Jun. 1989.
Minihold Roland
Mueller Manfred
Scheidig Hardy
Jean-Pierre Peguy
Rohde & Schwarz GmbH & Co. KG
Tokar Michael
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