Ring oscillator circuit

Details Ring oscillator circuit Ring oscillator circuit

2006-07-18

2006-07-18

Kinkead, Arnold (Department: 2817)

Oscillators

Ring oscillators

C331S045000

Reexamination Certificate

active

07078978

ABSTRACT:
A turn-round is provided in the middle of a plurality of differential amplifiers A1–A4. A first-stage differential amplifier A1is provided in close proximity to a final-stage differential amplifier A4so that distances between adjacent differential amplifiers are substantially equal to each other. With this, signal lines between the differential amplifiers are uniform in length and propagation delays are uniform. As a result, a high single-frequency oscillation signal is output.

REFERENCES:
patent: 5592126 (1997-01-01), Boudewijns et al.
patent: 8-316831 (1996-11-01), None
patent: 9-232398 (1997-09-01), None
patent: 10-74841 (1998-03-01), None
patent: 2001-85994 (2001-03-01), None

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