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Extension of the LTV Phase Noise Model of Electrical Oscillators for the Output Harmonics
Seyed Amir HASHEMI Hassan GHAFOORIFARD Abdolali ABDIPOUR
IEICE TRANSACTIONS on Electronics
Publication Date: 2012/12/01
Online ISSN: 1745-1353
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Electronic Circuits
impulse sensitivity function, linear time variant, phase noise, jitter,
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In this paper, using the Linear Time Variant (LTV) phase noise model and considering higher order harmonics generated by the oscillator output signal, a more general formula for transformation of the excess phase to the output signal is presented. Despite the basic LTV model which assumes that the total carrier power is within the fundamental harmonic, in the proposed model, the total carrier power is assumed to be distributed among all output harmonics. For the first harmonic, the developed expressions reduce to the basic LTV formulas. Simulation and experimental results are used to ensure the validity of the model.