Invention Grant
US08664985B2 Phase frequency detector and charge pump for phase lock loop fast-locking 有权
相位频率检测器和电荷泵用于锁相环快速锁定

Phase frequency detector and charge pump for phase lock loop fast-locking
Abstract:
The present invention provides for a solution to reduce locking time with satisfactory performance without the need for significant footprint area for the phase lock loop (PLL) circuits by boosting phase frequency detector (PFD) and charge pump (CP) gains through various circuitry configurations that employ one or more flip-flops, delay elements and advanced circuitry techniques.
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