Single stage cyclic analog to digital converter with...

Details Single stage cyclic analog to digital converter with... Single stage cyclic analog to digital converter with...

2007-02-13

2008-10-28

Nguyen, Khai M (Department: 2819)

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

C341S155000, C341S161000, C341S162000, C341S172000

Reexamination Certificate

active

07443333

ABSTRACT:
A converter (200) adapted to convert an analog input signal into a digital output signal includes an analog input terminal (205) for receiving the analog input signal, a Redundant Signed Digit (RSD) stage (210) coupled to the analog input terminal, and a digital section (220). The RSD stage is configured to receive the analog input signal at the analog input terminal, produce a first number of bits at a digital output from the analog input signal during a first half of a first clock cycle, provide a residual feedback signal of the analog input signal at the analog input terminal during a second half of the first clock cycle, and produce a second number of bits at the digital output from the residual feedback signal during a first half of a second clock cycle, the second number of bits less than the first number of bits.

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Ginetti, Bernard, et al., A CMOS 13-b Cycle RSD A/D Converter, IEEE Journal of Solid-State Circuits, vol. 27, No. 7, Jul. 1992 pp. 957-965.

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