Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Reexamination Certificate
2011-06-07
2011-06-07
JeanPierre, Peguy (Department: 2819)
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
C341S137000
Reexamination Certificate
active
07956788
ABSTRACT:
In an inventive photonic analog-to-digital signal converter (ADC), multiple opto-electric sampling devices are employed to successively sample an analog signal input. Optical clock signals having the same frequency but different clock phases are used, which are associated with the opto-electric sampling devices, respectively. Each sampling device takes samples of the analog signal input in response to the optical clock signal associated therewith. The resulting samples are processed to produce quantized samples. The inventive ADC outputs a digital signal representing the quantized samples.
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Ken Poulton, et. al - “A 20GS/s 8b ADC with a 1MB Memory in 0.18μm CMOS”, ISSCC 2003/Session 18/NYQUIST A/D Converters/Paper 18.1, 2003 IEEE International Solid-State Circuits Conference 0-7803-7707-9/03—3 pages.
Chen Young-Kai
Lee Jaesik
Alcatel-Lucent USA Inc.
Jean-Pierre Peguy
Yip Alex L.
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