Single loop feed-forward modulator with summing flash...

Details Single loop feed-forward modulator with summing flash... Single loop feed-forward modulator with summing flash...

2006-05-23

2006-05-23

Barnie, Rex (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

C341S126000

Reexamination Certificate

active

07049990

ABSTRACT:
A sigma-delta modulator includes a summing junction that receives an input signal. A plurality of integrators are arranged in series, the integrators output an integrated signal value to a multi-input quantizer. The multi-input quantizer has a plurality of comparators each with switched capacitor inputs. The multi-input quantizer outputs a quantized signal to a multi-bit feedback DAC that drives the summing junction.

REFERENCES:
patent: 6147551 (2000-11-01), Hong
patent: 6362770 (2002-03-01), Miller et al.
patent: 6366230 (2002-04-01), Zhang et al.
patent: 6433724 (2002-08-01), Confalonieri et al.
patent: 6437720 (2002-08-01), Yin et al.
patent: 6577258 (2003-06-01), Ruha et al.
patent: 6765520 (2004-07-01), Chuang et al.

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