Delta-sigma modulator

Details Delta-sigma modulator Delta-sigma modulator

2005-01-11

2005-01-11

Young, Brian (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

C341S144000

Reexamination Certificate

active

06842131

ABSTRACT:
A Delta-Sigma modulator is disclosed, which has a Delta adder, a Sigma adder, a first latch, a second latch and a feedback generator, wherein the feedback generator provides a feedback signal to the Delta adder based on a pre-stage data signal provided by the first latch, so that the Delta adder provides a pre-stage addition signal. The Sigma adder performs an accumulation to provide an accumulative signal to the first latch, so that the first latch provides a pre-stage data signal to the second latch to enable the second latch to output a digital output signal.

REFERENCES:
patent: 6700520 (2004-03-01), Miller
patent: 6795004 (2004-09-01), Masuda et al.

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