Phase-noise measurement of free-running
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Hoi-Yee Ng; Kim-Fung Tsang; Chung-Ming Yuen
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Article
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2005
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John Wiley and Sons
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English
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## Abstract This paper reports an efficient method to measure the phase noise of freeโrunning microwave voltageโcontrolled oscillators using a generalโpurpose spectrum analyzer. The system tracks the frequency drifting signal by using a charge pump phaseโlocked loop. The measurements taken on a 1.9