Noise shaper circuit and method for reducing switching noise

Details Noise shaper circuit and method for reducing switching noise Noise shaper circuit and method for reducing switching noise

2007-06-19

2007-06-19

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

Reexamination Certificate

active

11202636

ABSTRACT:
Noise that is normally generated during the switching of a noise shaper may be reduced by switching the noise shaper to an inactive or off state after the occurrence of one or more predetermined criteria, for example the detection of a predetermined number of data values below a threshold value or equal to a certain value, or of a predetermined number of data values within a threshold region about a value that is constant with respect to the data values.

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Thomas H. Hansen, “Muting of Noise-Shaper Quantized Signals,” pp. 77-94, May 6, 2003.

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