Offset digital dither generator

Details Offset digital dither generator Offset digital dither generator

H - Electricity

03

M

354/70

H03M 1/00 (2006.01) G06F 7/70 (2006.01)

Patent

CA 1175148

OFFSET DIGITAL DITHER GENERATOR Abstract A digital dither generator is described which pro- duces a series of discrete analog values which remain constant for each repetition of a signal being digitized. These analog values are summed with the analog input value being digitized. The dither states exhibit two useful characteristics: a bit- reversal scheme in which a sequence of dither values is used to progressively maximize the resolution of the digitizer and a technique of offsetting the values by a known amount to stat- istically improve digitizer accuracy.

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