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发表于 2011-5-10 07:14:56
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本帖最后由 fhchen2002 于 2011-5-10 07:24 编辑
回复 1# pzhangosu
00075064.pdf:
Second-Order Sigma-Delta Modulation for Digital-Audio Signal Acquisition
IEEE JSSC Vol. 26, No. 4, April 1991
00104165.pdf:
A 50-MHz Multibit Sigma–Delta Modulator for 12-b 2-MHz A/D Conversion
IEEE JSSC Vol. 26, No. 12, December 1991
00293113.pdf:
A Low-Power, Area-Efficient Digital Filter for Decimation and Interpolation
IEEE JSSC, Vol. 29, No. 6, June 1994 |
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