Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Reexamination Certificate
2006-11-06
2008-07-22
Jeanglaude, Jean B (Department: 2819)
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
C341S154000, C341S159000, C341S155000
Reexamination Certificate
active
07403149
ABSTRACT:
A folding and interpolating analog,-to-digital converter (ADC) includes a preamp unit, a first folding stage, a second folding stage, a comparison unit and an encoder. The preamp unit receives an analog input signal and reference voltages to generate reference signals. The first folding stage generates a first group of folding signals based on the reference signals. The second folding stage generates a second group of folding signals based the first group. The comparison unit generates a digital code based on the folding signals in the second group. The encoder encodes the digital code. Therefore, the ADC can increase a resolution and a conversion speed, but reduce interpolating errors.
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Jeanglaude Jean B
Mills & Onello LLP
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