Reducing noise and/or power consumption in a switched...

Details Reducing noise and/or power consumption in a switched... Reducing noise and/or power consumption in a switched...

2008-04-15

2008-04-15

Pascal, Robert (Department: 2817)

Amplifiers

With periodic switching input-output

Reexamination Certificate

active

07358801

ABSTRACT:
Equal common mode voltage is present at the input terminals of an operational amplifier with amplifies the residue signal in a stage of an ADC in two phases while reducing the noise introduced into the amplified signal. A reference capacitor is coupled between an input terminal of the operational amplifier and a reference voltage in a first phase, and between the input terminal and a the reference voltage but with opposite polarity in the second phase.

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