Coded data generation or conversion – Analog to or from digital conversion – Differential encoder and/or decoder
Reexamination Certificate
2007-07-17
2007-07-17
Nguyen, Linh V. (Department: 2819)
Coded data generation or conversion
Analog to or from digital conversion
Differential encoder and/or decoder
C341S118000, C341S120000
Reexamination Certificate
active
10534119
ABSTRACT:
A continuous time sigma delta converter has a filter and converter components having known non-ideal characteristics. A compensation circuit has error modelling components arranged to model the non-ideal characteristics of the converter. A summation block combines a compensation signal from the compensation circuit with a non-ideal output signal from the converter in order to provide a compensated output signal. This has substantially no effect on other modulator performance characteristics and contributes to the implementation of giga sample-per-second Continuous Time sigma deltas having the dynamic range capabilities of traditional DT sigma deltas.
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Bastani Babak
Ihs Hassan
Ouaddah Jalal
Freescale Semiconductor Inc.
Nguyen Linh V.
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