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Uncertainty analysis for a phase-detector based phase noise measurement system
Affiliation:1. Centre National de la Recherche Scientifique (CNRS), Franche Comte Electronique Thermique Optique Sciences et Technologies (FEMTO-ST) Institute, 15 B, Avenue des Montboucons, F25030 Besancon, France;2. National Metrology Centre, A1STAR, 1 Science Park Drive, Singapore 118221, Singapore;1. Univ. Inst. Physics Applied to Sciences and Engineering, University of Alicante, PO Box, 99, 03080 Alicante, Spain;2. Dept. Civil Engineering, University of Alicante, PO Box, 99, 03080 Alicante, Spain;1. School of Architecture and Civil Engineering, Xiamen University, Xiamen, China;2. Department of Civil Engineering, Catholic University of America, Washington, DC 20064, United States;3. School of Transportation, Southeast University, Nanjing 210096, China;4. School of Automation, Southeast University, Nanjing 210096, China;1. AGH University of Science and Technology, Department of Geoinformatics and Applied Computer Science, Poland;2. Strata Mechanics Research Institute of the Polish Academy of Sciences, Poland;1. Institute of Fundamental Technological Research, Warsaw, Poland;2. Institute of Mechanized Construction and Rock Mining, Warsaw, Poland;1. School of Electronics Engineering, VIT University, Vellore, Tamil Nadu 632014, India;2. School of Electrical Engineering, VIT University, Vellore, Tamil Nadu 632014, India;3. Department of Instrument Technology, Andhra University, Visakhapatnam, Andhra Pradesh 532001, India
Abstract:Phase noise is an important parameter to characterise the frequency stability of oscillators and synthesised signal generators. Accurate measurement of phase noise is required for various applications in radar, communication and navigation systems. A single-channel phase-detector based phase noise measurement system is described. The system’s measurement errors and uncertainties have been analysed in details. The expanded uncertainty is about 2.7 dB for calibrating phase noise of a signal generator at 0.001–1.6 GHz for frequency offsets from 1 Hz to 100 kHz. The uncertainty budget for measuring a signal generator’s phase noise at 640 MHz is also presented.
Keywords:Phase noise measurement  Uncertainty analysis  Metrology standard  Phase detector
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