Clock jitter minimization in a continuous time sigma delta...

Details Clock jitter minimization in a continuous time sigma delta... Clock jitter minimization in a continuous time sigma delta...

2008-07-08

2008-07-08

Williams, Howard (Department: 2819)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Rectangular or pulse waveform width control

C327S291000, C327S172000, C327S165000, C341S144000, C341S143000

Reexamination Certificate

active

07397291

ABSTRACT:
A digital-to-analog converter adapted for use as a feedback converter in a continuous time sigma delta analog-to-digital converter. The digital-to-analog converter has a discrete time digital signal input accepting digital signal samples that are synchronized with an assertion of a first data clock signal and a discrete time clock generator that generates an output pulse in response to receiving an assertion of the first data clock. The output pulse is asserted for a fixed duration that is independent of a jitter of the first data clock. The digital-to-analog converter also includes a continuous time analog output that produces, during assertion of the output pulse, a continuous time analog output signal having a magnitude corresponding to the digital signal samples.

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