Reducing the effect of noise present along with an input...

Details Reducing the effect of noise present along with an input... Reducing the effect of noise present along with an input...

2006-09-26

2006-09-26

Barnie, Rexford (Department: 2819)

Coded data generation or conversion

Sample and hold

Having variable sampling rate

C341S122000

Reexamination Certificate

active

07113117

ABSTRACT:
An aspect of the present invention reduces the effect of any noise present along with an input signal when sampling the input signal by charging each of several parallel connected capacitors for different time durations with at least some non-overlap. In an embodiment, such an approach is used in a switched capacitor amplifier circuit of an ADC. The capacitors in that embodiment start charging at the same time instance, but stop charging at different time instances due to the design of associated switches and control signals.

REFERENCES:
patent: 4375625 (1983-03-01), Lee
patent: 6603415 (2003-08-01), Somayajula

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