Loop filter for a continuous time sigma delta analog to...

Details Loop filter for a continuous time sigma delta analog to... Loop filter for a continuous time sigma delta analog to...

2005-11-22

2005-11-22

JeanPierre, Peguy (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

C330S303000

Reexamination Certificate

active

06967606

ABSTRACT:
A loop filter for a continuous time sigma delta analog to digital converter which converts an analog input signal into a digital output signal, said loop filter comprising an active analog filter which includes active devices for providing a power gain, wherein the number of active devices is lower than the filter order of said active analog filter.

REFERENCES:
patent: 5440270 (1995-08-01), Sevastopoulos et al.
patent: 6268815 (2001-07-01), Gustavsson et al.
patent: 2003/0093448 (2003-05-01), Roza

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