Oscillation apparatus capable of compensating for...

Details Oscillation apparatus capable of compensating for... Oscillation apparatus capable of compensating for...

2008-06-24

2008-06-24

Kinkead, Arnold (Department: 2817)

Oscillators

Ring oscillators

C331S185000, C331S175000, C331S176000

Reexamination Certificate

active

07391276

ABSTRACT:
In an oscillation apparatus formed by a ring oscillator including an odd number of inverters (more than two inverters) connected in a ring, each of the inverters having one drive MOS transistor and one load MOS transistor, a constant voltage generating circuit is adapted to generate a constant voltage corresponding to a threshold voltage of the drive MOS transistor, and a voltage-to-current converting circuit is adapted to convert the constant voltage into load currents. Each of the load currents flows through the load MOS transistor of one of the inverters.

REFERENCES:
patent: 5412349 (1995-05-01), Young et al.
patent: 2003-283305 (2003-10-01), None

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