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A novel low voltage, high speed CMOS charge pump circuit for PLL is designed in the paper. The new structure refrains from the common spurious jump phenomenon, and is designed in N well mixed-signal Chartered 0.35μm CMOS process, simulated using Hspice. The results show the new circuit can operate under a 1V power supply, does not suffer from any waveform jitter. The output voltage has a relatively...
A phase lock loop is a closed-loop system that causes one system to track with another. More precisely, a PLL can be perceived as a circuit synchronizing an output signal with a reference or input signal in frequency as well as phase. High-performance phase lock loops are widely used within a digital system for clock generation, timing recovery, and to efficiently sequence operations and synchronize...
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