Sigma-delta modulated analog-to-digital converter having a...

Details Sigma-delta modulated analog-to-digital converter having a... Sigma-delta modulated analog-to-digital converter having a...

2007-04-09

2009-11-10

Mai, Lam T (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Differential encoder and/or decoder

C341S155000

Reexamination Certificate

active

07616142

ABSTRACT:
A sigma-delta modulated analog-to-digital converter having an integrator with a first changeable coefficient and/or having an excess loop-delay circuit also having a second changeable coefficient. The changeable coefficients enable the converter to account for noise mixed with the input signal, circuit non-linearities, and component variations.

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patent: 6384761 (2002-05-01), Melanson
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patent: 7094036 (2006-08-01), Mennie et al.
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patent: 7193546 (2007-03-01), Melanson
patent: 7215270 (2007-05-01), Kozak et al.
patent: 7221302 (2007-05-01), Melanson
patent: 2006/0164272 (2006-07-01), Philips et al.

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