Higher order sigma-delta analog-to-digital converter based...

Details Higher order sigma-delta analog-to-digital converter based... Higher order sigma-delta analog-to-digital converter based...

2005-01-11

2005-01-11

Tokar, Michael (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

C341S155000, C341S061000

Reexamination Certificate

active

06842128

ABSTRACT:
A sigma-delta ADC includes a higher order infinite impulse response (IIR) filter based on a finite impulse response (FIR) filter and possesses the same functionality as a conventional sigma-delta ADC in terms of noise and swings at the output of the analog integrators. The higher order sigma-delta ADC requires only one analog amplifier however, even though it has a higher order analog integration function.

REFERENCES:
patent: 5191334 (1993-03-01), Yasuda
patent: 6408031 (2002-06-01), Hendricks
patent: 6518904 (2003-02-01), Jelonnek
patent: 6577259 (2003-06-01), Jelonnek

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