Table of contents:
Description
Leesons equation expresses phasenoise as a function of resonator quality factor, power dissipation, center frequency and noise factor of the active part of the oscillator.
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Plugin disabled Plugin equation cannot be executed. | Phase noise power per Hertz relative to carrier power at frequency offset
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Plugin disabled Plugin equation cannot be executed. | Center frequency of the oscillator |
Plugin disabled Plugin equation cannot be executed. | Loaded quality factor of the resonator (so including the effect of the circuit connected to the resonator) |
Plugin disabled Plugin equation cannot be executed. | Noise factor of the active part of the oscillator |
Plugin disabled Plugin equation cannot be executed. | Flicker noise corner frequency |
Plugin disabled Plugin equation cannot be executed. | Boltzman constant |
Plugin disabled Plugin equation cannot be executed. | Absolute temperature of the oscillator |
Plugin disabled Plugin equation cannot be executed. | Output power of the oscillator |
References
- W. Fu, "A revisit to the phase noise model of Leeson", Frequency Control Symposium, 2007
- D. B. Leeson, "A simplemodel of feedback oscillator noise spectrum", Proceedings of the IEEE, 1966, Volume 54, Issue 2, Pages: 329 - 330
Exercises
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