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Method, System and Apparatus for Accurate and Stable LC-Based Reference Oscillators

منذ 6 سنوات 6 أشهر

الوصف

A substantially temperature-independent LC-based oscillator is achieved using an LC tank that generates a tank oscillation at a phase substantially equal to a temperature null phase. The temperature null phase is a phase of the LC tank at which variations in frequency of an output oscillation of the LC-based oscillator with temperature changes are minimized. The LC-based oscillator further includes frequency stabilizer circuitry coupled to the LC tank to cause the LC tank to oscillate at the phase substantially equal to the temperature null phase.

النواحي

The present invention relates in general to oscillators, and in particular, to inductor-capacitor (LC) tank based oscillators. Embodiments of the present invention provide a substantially temperature-independent LC-based oscillator. The oscillator includes an LC oscillator tank that generates a tank oscillation at a phase substantially equal to a temperature null phase. The temperature null phase is a phase of the LC oscillator tank at which variations in frequency of an output oscillation of the oscillator with temperature changes are minimized. The oscillator further includes frequency stabilizer circuitry coupled to the LC oscillator tank to cause the LC oscillator tank to operate at the temperature null phase.

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