Method and apparatus for digital to analog conversion with reduc

Details Method and apparatus for digital to analog conversion with reduc Method and apparatus for digital to analog conversion with reduc

1998-12-15

2000-11-14

Young, Brian

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

341144, H03M 300

Patent

active

06147634&

ABSTRACT:
A method and apparatus for digital to analog signal conversions with reduced noise include processing that begins by receiving a digital signal and filtering the digital signal to produce a filtered digital signal. The filtering is tuned to attenuate components of the digital signal having frequencies near one-half the sampling rate frequency and to pass other components of the digital signal having frequencies away from one-half the sampling rate frequency. The filtered signals are then converted to analog signals based on a clock signal having a sampling rate frequency and a voltage reference.

REFERENCES:
patent: 5027120 (1991-06-01), Thurston
patent: 5349352 (1994-09-01), Saleh
patent: 5392042 (1995-02-01), Pellon
patent: 5606319 (1997-02-01), Yatim et al.
patent: 5608400 (1997-03-01), Pellon

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