Delta-sigma modulators with integral digital low-pass filtering

Pulse or digital communications – Pulse code modulation – Differential

Reexamination Certificate

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C341S143000

Reexamination Certificate

active

07116721

ABSTRACT:
A feedback noise-shaper of an order of at least three implements a first pole set defining a signal transfer function of a selected corner frequency and a second pole set having at least one pole at a frequency at least twice the selected corner frequency defining a noise transfer function.

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Chen, Digital Signal Processing, Spectral Computation and Filter Design, Oxford University Press 2001, pp. 355-395.

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