发明名称 |
NOISE SHAPED INTERPOLATOR AND DECIMATOR APPARATUS AND METHOD |
摘要 |
Improved interpolator (1304) and decimator (1324) apparatus and methods, including the addition of an elastic storage element (192) comprises a FIFO which advantageously allows short term variation in sample clocks to be absorbed, and also provides a feedback mechanism for controlling a delta-sigma modulated modulo-N counter based sample clock generator. The elastic element combined with a delta-sigma modulator and counter creates a noise-shaped frequency lock loop without additional components, resulting in a much simplified imterpolator and decimator.
|
申请公布号 |
WO2005015752(A8) |
申请公布日期 |
2005.07.07 |
申请号 |
WO2004US25323 |
申请日期 |
2004.08.04 |
申请人 |
STMICROELECTRONICS, INC. |
发明人 |
NORSWORTHY, STEVEN, R.;REDGRAVE, JASON, RUPERT |
分类号 |
H03H17/06;H04B;H04L27/10;(IPC1-7):H04L27/10 |
主分类号 |
H03H17/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|