Delta-sigma modulator for an analogue-to-digital converter with

Details Delta-sigma modulator for an analogue-to-digital converter with Delta-sigma modulator for an analogue-to-digital converter with

1997-10-27

1999-11-09

Young, Brian

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

341155, H03M 300

Patent

active

059823160

ABSTRACT:
Disclosed is a delta-sigma modulator (or noise shaper) having resolution over 18 bits. The delta-sigma modulator may increase the linearity and decrease its size, by employing only one feedback loop path and applying a coefficient of less than 1 to the integrators. Also, the delta-sigma modulator according to the present invention may be used for the analogue-to-digital convertor with the reduction of the effective value of capacitor. In the case where the decimal values are corrected to digital values, it is possible to design the digital noise shaper which is used in the digital-to-analogue convertor.

REFERENCES:
patent: 5055846 (1991-10-01), Welland
patent: 5719573 (1998-02-01), Leung et al.

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