Improvement of the coarse tuning time in pll with lc oscillator

Details Improvement of the coarse tuning time in pll with lc oscillator Improvement of the coarse tuning time in pll with lc oscillator

H - Electricity

03

B

H03B 5/00 (2006.01)

Patent

CA 2555468

Tuning methods and apparatuses for LC oscillators are disclosed. Embodiments of the present invention include an adaptively controlling the bit~comparison time to provide the smallest coarse tuning time. The bit comparison time is scaled inversely to the amount of redundancy of corresponding weighted capacitors in a capacitor array of the LC oscillator.

L'invention porte sur des procédés et appareils d'accordage d'oscillateurs LC. Dans certaines exécutions on effectue un réglage adaptatif du temps de comparaison de bits de manière à obtenir le plus petit d'accordage grossier. Le temps de comparaison de bits varie en proportion inverse de la quantité de redondance des condensateurs pondérés du réseau de condensateurs de l'oscillateur LC.

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