Multiple-phase, differential sampling and steering

Details Multiple-phase, differential sampling and steering Multiple-phase, differential sampling and steering

2008-06-30

2010-02-02

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

C327S356000, C327S359000

Reexamination Certificate

active

07656200

ABSTRACT:
Methods and systems to controllably steer multiple phases of a differential signal, including to generate a differential current in response to a differential voltage, to controllably steer the differential current between multiple output circuits in response to corresponding control signals, which may be out of phase with respect to one another, and to generate multiple corresponding outputs corresponding to the multiple steered phases of the current. A differential input circuit and a current steering circuit may be common to multiple output circuits, and a common offset compensation may be provided to compensate for a substantial portion of offset associated with the multiple outputs.

REFERENCES:
patent: 4893122 (1990-01-01), Hoehn
patent: 5218363 (1993-06-01), LeCroy et al.
patent: 7102412 (2006-09-01), Chung
Yang, Chih-Kong K., et al., “IEEE Journal of Solid-State Circuits, vol. 36, No. 11”, (Nov. 2001), 9 pgs.

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