Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Reexamination Certificate
2007-11-12
2009-06-30
JeanPierre, Peguy (Department: 2819)
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
C330S099000
Reexamination Certificate
active
07554477
ABSTRACT:
An amplifier array circuit is provided. An amplifier array includes a main amplifier array comprising a plurality of first amplifiers and a plurality of reference voltages, wherein the first amplifier is coupled to an input signal and the reference voltage corresponding to the first amplifier. A first reversed reference voltage amplifier array is located on one side of the main amplifier array and has a plurality of second amplifiers coupled to the input signal and the reference voltages, respectively. A second reversed reference voltage amplifier array is located on the other side of the main amplifier array and has a plurality of third amplifiers coupled to the input signal and the reference voltages respectively. The averaging network is coupled to a first output terminal and a second output terminal of the first, second and third amplifiers.
REFERENCES:
patent: 6034630 (2000-03-01), Komatsu et al.
patent: 6232907 (2001-05-01), Nagaraj et al.
Chien-Kai Hung et al,A 6-bit 1.6 GS/s Flash ADC in 0.18-μm CMOS with Reversed-Reference Dummy, IEEE Asian Solid-State Circuits Conference (A-SSCC), Nov. 13, 2006, Hangzhou, China.
Chen Hsin-Shu
Hung Chien-Kai
Jean-Pierre Peguy
National Taiwan University
Quintero Law Office
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