Switched capacitor system with and method for output glitch...

Details Switched capacitor system with and method for output glitch... Switched capacitor system with and method for output glitch...

2011-04-05

2011-04-05

Shingleton, Michael B (Department: 2815)

Amplifiers

With periodic switching input-output

C330S305000

Reexamination Certificate

active

07920022

ABSTRACT:
A switched capacitor system with output glitch reduction step charges the switched capacitor by switching it to a first voltage level in a first phase, to an intermediate voltage level of a pre-charge node in a pre-charge phase and to the voltage level of the output node of the amplifier stage in a settling phase; the pre-charge node can be implemented at the input of the amplifier stage, the output of a preceding stage or at any other pre-existing suitable node in the amplifier system.

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patent: 7795959 (2010-09-01), Chen et al.
patent: 7834685 (2010-11-01), Pertijs
Axel, Thomsen et al.: “A 110-dB-THD, 18-mW DAC Using Sampling of the Output and Feedback to Reduce Distortion”, IEEE Journal of Solid-State Circuits, IEEE Service Center, Piscataway, NJ, US, vol. 34, No. 12, Dec. 1999.

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