The design of low noise oscillators

• 作者: Hajimiri, Ali.
• 其他作者: Lee, Thomas H.,
• 出版: Boston : Kluwer Academic Publishers ©1999.
• 稽核項: 1 online resource (xii, 208 pages) :illustrations.
• 標題: Radio frequency oscillators. , Circuits électroniques , Oscillators, Electric Design and construction. , Electronic circuits Noise. , TECHNOLOGY & ENGINEERING Electronics -- Circuits -- General. , TECHNOLOGY & ENGINEERING , TECHNOLOGY & ENGINEERING Electronics -- Circuits -- Integrated. , Oscillators, Electric , Electronic books. , Bruit. , Circuits électroniques Bruit. , ElectronicsCircuitsGeneral. , ElectronicsCircuitsIntegrated. , Electronic circuits , Phasenrauschen , Bruit électronique. , Noise. , Oszillator , Oscillateurs haute fréquence. , Design and construction. , Electronic noise.
• ISBN: 0306481995 , 9780306481994
• ISBN: 0792384555 , 9780792384557
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• 附註: Includes bibliographical references (pages 187-199) and index. Introduction -- Frequency Instability Fundamentals -- Review of Existing Models -- Time-Variant Phase Noise Model -- Jitter and Phase Noise in Ring Oscillators -- Phase Noise in Differential LC Oscillators -- Extension of the Model to Multiple Noise Sources -- Conclusion -- A: Relationship between Jitter and Phase Noise -- B: Power Spectral Density of the Output -- C: The ISF of an Ideal LC Oscillator -- D: Calculation of the ISF -- E: Phase Noise and Jitter in Phase-Locked Loops -- F: Describing Function Analysis of Oscillators.
• 摘要: The tremendous growth in wireless and mobile communications has placed stringent requirements on channel spacing and, by implication, on the phase noise of oscillators. Compounding the challenge has been a recent drive toward implementations of transceivers in CMOS, whose inferior l/f noise performance has usually been thought to disqualify it from use in all but the lowest-performance oscillators. Low noise oscillators are also highly desired in the digital world. The continued drive toward higher clock frequencies translates into a demand for ever-decreasing jitter. There is a need for a deep understanding of the fundamental mechanisms governing the process by which device, substrate, and supply noise turn into jitter and phase noise. Existing models generally offer only qualitative insights, however, and it has not always been clear why they are not quantitatively correct. The Design of Low Noise Oscillators offers a new time-variant phase noise model. By discarding the implicit assumption of time- invariance underlying many other approaches, this model is capable of making quantitative predictions of the phase noise and jitter of different types of oscillators. It is able to attribute a definite amount of phase noise to every noise source in the circuit. Because of its time-variant nature, the model also takes into account the effect of cyclostationary noise sources in a natural way. It details the precise mechanism by which low frequency noise, such as l/f noise, upconverts into close-in phase noise. An important new understanding is that rise and fall time symmetry controls such upconversion. More important, it suggests practical methods for suppressing this upconversion, so that good oscillators can be built in technologies with notoriously poor l/f noise performance (such as CMOS or GaAs MESFET). The Design of Low Noise Oscillators will be of interest to both analog and digital circuit as well as RF circuit designers.
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