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A-New-Closed-form-Mathematical-Approach-to-Achieve Minimum Phase Noise in Frequency Synthesizers | ||
| Journal of Electrical and Computer Engineering Innovations (JECEI) | ||
| مقاله 2، دوره 2، شماره 1 - شماره پیاپی 3، فروردین 2014، صفحه 7-13 اصل مقاله (406.89 K) | ||
| نوع مقاله: Original Research Paper | ||
| شناسه دیجیتال (DOI): 10.22061/jecei.2014.37 | ||
| نویسندگان | ||
| S. SamadiGorji؛ B. Zakeri* ؛ M.R. Zahabi | ||
| Babol Nushirvani University of Technology, Department of Electrical Engineering, Babol, Iran | ||
| تاریخ دریافت: 28 مهر 1392، تاریخ بازنگری: 24 آذر 1392، تاریخ پذیرش: 24 آذر 1392 | ||
| چکیده | ||
| The aim of this paper is to minimize output phase noise for the pure signal synthesis in the frequency synthesizers. For this purpose, first, an exact mathematical model of phase locked loop (PLL) based frequency synthesizer is described and analyzed. Then, an exact closed-form formula in terms of synthesizer bandwidth and total output phase noise is extracted. Based on this formula, the phase noise diagram as a function of bandwidth is plotted. From the analysis and simulation results, it is observed that the synthesizer has a minimum phase noise at a particular bandwidth. | ||
| کلیدواژه‌ها | ||
| Frequency synthesizers؛ Phase noise؛ Phase-locked loop؛ Phase noise reduction | ||
| مراجع | ||
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