Apparatus and method for sigma delta signal treatment

Details Apparatus and method for sigma delta signal treatment Apparatus and method for sigma delta signal treatment

2007-12-25

2007-12-25

Barnie, Rexford (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

C341S157000

Reexamination Certificate

active

11260103

ABSTRACT:
A sigma delta signal treating apparatus includes: (a) a low pass filtered signal path including at least one low pass filter; and (b) a quantization noise filtered signal path coupled with the low pass filtered signal path; the quantization noise filtered signal path including at least one high pass filter and at least one feedback notch filter.

REFERENCES:
patent: 5963160 (1999-10-01), Wilson et al.
patent: 6362762 (2002-03-01), Jensen et al.
patent: 6570519 (2003-05-01), Yang
patent: 6621435 (2003-09-01), Cusinato et al.
patent: 6650124 (2003-11-01), Roeck
patent: 6831986 (2004-12-01), Kates
“A 100dB 2.5MS/s Output Data Rate Delta-Sigma ADC”;R. Brewer, J. Gorbold, P. Hurrell, C. Lyden, R. Maurino and M. Vickery; 2005 IEEE International Solid-State Circuits Conference; Feb. 8, 2005.

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