Number | Name | Date | Kind |
---|---|---|---|
5012244 | Wellard et al. | Apr 1991 | |
5376892 | Gata et al. | Dec 1994 | |
5757301 | Kuo et al. | May 1998 | |
5793811 | Yu | Aug 1998 |
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P.F. Ferguson et al., "One Bit Higher Order Sigma-Delta AID Converters" IEEE Proceedings ISCAS '90, p 890-893, May 1990. |
Chao et al. "A Higher Order Topology for Interpolative Modulators for oversampling AID Convertas", IEEE Transistors, Circuits & Systems, vol. CAS-37, p 309-318. |