Low-latency start-up for a monolithic clock generator and...

Details Low-latency start-up for a monolithic clock generator and... Low-latency start-up for a monolithic clock generator and...

2007-12-11

2007-12-11

Mis, David (Department: 2817)

Oscillators

With synchronizing, triggering or pulsing circuits

Triggering or pulsing

C331S1170FE, C331S176000, C331S17700V

Reexamination Certificate

active

11233414

ABSTRACT:
An apparatus, system and method are provided for low-latency start-up of a free-running harmonic oscillator. The exemplary apparatus embodiment comprises a first and second current sources to generate first and second currents; a bias current monitor adapted to detect a magnitude of the second current and to provide a control signal when the magnitude of the second current is equal to or greater than a predetermined magnitude; and a bias controller adapted to switch the first current from the oscillator and to switch the second current to the oscillator in response to the control signal. a reference voltage generator, a comparator, and a bias controller. Exemplary embodiments include reference voltage generator, a comparator, and a bias controller.

REFERENCES:
patent: 4387350 (1983-06-01), Bessolo et al.
patent: 4956618 (1990-09-01), Ulmer

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