发明公开
EP1540826A4 DELTA-SIGMA MODULATION CIRCUITS AND METHODS UTILIZING MULTIPLE NOISE ATTENUATION BANDS AND DATA CONVERTERS USING THE SAME
审中-公开
delta-sigma调制线路及多噪音阻尼带与数据转换器订购方法
- 专利标题： DELTA-SIGMA MODULATION CIRCUITS AND METHODS UTILIZING MULTIPLE NOISE ATTENUATION BANDS AND DATA CONVERTERS USING THE SAME
- 专利标题（中）： delta-sigma调制线路及多噪音阻尼带与数据转换器订购方法
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申请号： EP03728420申请日： 2003-04-16
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公开(公告)号： EP1540826A4公开(公告)日： 2005-10-12
- 发明人: MELANSON JOHN LAURENCE
- 申请人： CIRRUS LOGIC INC
- 专利权人： CIRRUS LOGIC INC
- 当前专利权人： CIRRUS LOGIC INC
- 优先权： US19101602 2002-07-08
- 主分类号： H03M7/32
- IPC分类号： H03M7/32 ; H03M3/00 ; H03M7/36 ; H03M1/66 ; H03M7/00
摘要：
A noise shaper including a filter system (501a, 50b) for generating a first set of poles and zeros characterizing noise attenuation in a signal baseband of a noise transfer function and at least one additional set of at least one pole and one zero characterizing noise attenuation in at least one additional band outside the baseband of the noise transfer function.
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