Discrete synthesis using staggered Nyquist regions avoids...

Details Discrete synthesis using staggered Nyquist regions avoids... Discrete synthesis using staggered Nyquist regions avoids...

2006-09-19

2008-05-20

Mai, Lam T. (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Digital to analog conversion

C341S126000

Reexamination Certificate

active

07375667

ABSTRACT:
Staggered consecutive Nyquist regions associated with differing DAC synthesizer clock rates (FCLK) avoids spectrum lost through disjoint guard bands at the end of or between adjacent Nyquist regions. The staggered consecutive Nyquist regions overlap by an amount at least as much as is consumed by the guard bands. Selectable reconstruction filters associated with each Nyquist region and its DAC clock rate are used to enforce the staggered Nyquist regions and their various guard bands.

REFERENCES:
patent: 6252464 (2001-06-01), Richards et al.
patent: 6429797 (2002-08-01), Wu
patent: 6456218 (2002-09-01), Dedic et al.
patent: 6724832 (2004-04-01), Hershberger

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