Miscellaneous active electrical nonlinear devices – circuits – and – Specific input to output function – By integrating
Reexamination Certificate
2011-06-21
2011-06-21
Le, Dinh T. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific input to output function
By integrating
C327S554000
Reexamination Certificate
active
07965124
ABSTRACT:
A switched-capacitor (SC) circuit relating to summing and integration algorithms is provided. The SC circuit submitted by the present invention benefits from better closed-loop bandwidth performance because of combining positive and negative feedback loops of a high gain amplifier. In addition, the SC circuit submitted by the present invention not only provides differential output signal obtained by a summing (or integration) algorithm of input voltage signals and reference voltage signals and forward drives such differential output signal to a next stage SC circuit, but also provides flexible and accurate coefficient design for every individual input and reference voltage signals in the said algorithm. Besides, if the circuit manner of alternate resetting is disabled or removed, the SC summing circuit submitted by the present invention can serve as an SC integration circuit.
REFERENCES:
patent: 5391999 (1995-02-01), Early et al.
patent: 5495200 (1996-02-01), Kwan et al.
patent: 6727749 (2004-04-01), Quinn
Chen Bo-Wei
Cheng Chien-Hua
Huang Jia-Chun
Shia Tim Kuei
Industrial Technology Research Institute
Jianq Chyun IP Office
Le Dinh T.
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