Apparatus and method for processing analog signals using residue

Details Apparatus and method for processing analog signals using residue Apparatus and method for processing analog signals using residue

1998-06-05

2000-11-07

Young, Brian

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

H03M 112

Patent

active

061443298

ABSTRACT:
In apparatus for digital processing to a sequence of numbers in binary format, each number is first converted to a base number and a residue number, the residue number being in a binary bit format. The processing is then performed using only the residue numbers. The digital processing is perfumed using binary addition, binary subtraction, and binary multiplication operations. After completion of the processing operation, the residue numbers are then converted into the original format. The folding analog-to-digital converter can be used to generate the residue binary bit numbers from an analog signal. This technique can reduce the apparatus required to perform such processing operations as FIR filtering and equalization.

REFERENCES:
patent: 4814767 (1989-03-01), Fernandes et al.
van Valburg et al., "An 8-b 650-MHz Folding ADC," IEEE Journal of Solid-State Circuits, vol. 27, No. 12, Dec. 1992.

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