Hyper-ring oscillator

Details Hyper-ring oscillator Hyper-ring oscillator

2006-11-14

2006-11-14

Shingleton, Michael B (Department: 2817)

Oscillators

Ring oscillators

C331S074000, C331SDIG002, C713S503000

Reexamination Certificate

active

07135935

ABSTRACT:
A ring oscillator has a first logic circuit forming a first loop. The ring oscillator also has a second logic circuit forming a second loop, such that phase interpolation occurs at a node common to the first and second loops. The phase interpolation results in an output signal with a high frequency.

REFERENCES:
patent: 5250914 (1993-10-01), Kondo
patent: 5592126 (1997-01-01), Boudewijns et al.
patent: 6100763 (2000-08-01), Durec et al.
patent: 6898726 (2005-05-01), Lee
Seog-Jun Lee, et al. “A Novel High-Speed Ring Oscillator for Multiphase Clock Generation Using Negative Skewed Delay Scheme” IEEE Journal of Solid-State Circuits, Feb. 1997, pp. 289-291.

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