Dynamic Characteristics of a Biharmonic Self-Oscillator

Frolov, Daniil A.; Сафин, А. Р.; Udalov, N. N.; Sotskov, Valery A.

doi:10.32603/1993-8985-2020-23-4-6-14

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2022

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“…Standard methods for suppressing the phase noise (PhN) of sources of quasi-sinusoidal oscillations: improving the stability of the reactive parameters of the filter of oscillator (FO), including the active element (AE), and performing the oscillatory circuit (OC) of the FO on a higher quality resonant circuit. The method of using mutual synchronization of oscillations in a biharmonic oscillator (BHO) with multiple frequencies is less known [1]. The latter is a consequence of the poor elaboration of the design methodology for the OC BHO.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Characteristics of a Biharmonic Oscillator with Two Synchronous Modes

et al. 2022

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The paper investigates the influence of the coupling coefficient of the double-loop filter forming a biharmonic oscillator on the quality factor and resonant impedance of the input impedance at the resonant frequencies of the double-loop filter. The resonant frequencies of the filter are exactly multiples of 2. In this paper show numerical results that simplify the choice of filter parameters to provide conditions for selfexcitation of two oscillations at exactly multiples of frequencies. Two synchronous modes allow to create a generator with compensation for fluctuations in the reactive component of the output impedance of the active element, which increase the phase noise of the oscillator.

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Section: Introductionmentioning

confidence: 99%