Oscillator with a stable oscillating frequency

Details Oscillator with a stable oscillating frequency Oscillator with a stable oscillating frequency

2008-09-26

2010-11-23

Pascal, Robert (Department: 2817)

Oscillators

Ring oscillators

C331S185000

Reexamination Certificate

active

07839224

ABSTRACT:
An oscillator of the present invention includes a constant current circuit in which a constant current generated in the constant current circuit varies positively with an on threshold voltage of a transistor included in the constant circuit; and an oscillating circuit in which the oscillating frequency of a clock signal generated in the oscillating circuit varies positively with the constant current supplied from the constant current circuit, and the oscillating frequency of the clock signal generated in the oscillating circuit varies negatively with an on threshold voltage of a transistor included in the oscillating circuit.

REFERENCES:
patent: 6985040 (2006-01-01), Kim
patent: 2008/0136539 (2008-06-01), Oka et al.
patent: 2002-093162 (2002-03-01), None

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