An automatic tracking system for phase-noise measurement |
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Authors: | Yuen Chung Ming Tsang Kim Fung |
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Affiliation: | Dept. of Electron. Eng., City Univ. of Hong Kong, China; |
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Abstract: | A low cost, automatic tracking system for phase noise measurement has been implemented successfully. The tracking system is accomplished by applying a charge pump phase-locked loop as an external reference source to a digital spectrum analyzer. Measurement of a 2.5 GHz, free-running, voltage-controlled oscillator demonstrated the tracking accuracy, thus verifying the feasibility of the system. |
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