Intermodulation properties of double- and triple-circuit parametric amplifiers with nonlinear barrier capacitance
- Authors: Bobreshov A.M.1, Sbitnev Y.P.1, Mymrikova N.N.1, Gulko O.I.1, Uskov G.K.1
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Affiliations:
- Voronezh State University
- Issue: Vol 59, No 4 (2016)
- Pages: 168-172
- Section: Article
- URL: https://journals.rcsi.science/0735-2727/article/view/176787
- DOI: https://doi.org/10.3103/S0735272716040038
- ID: 176787
Cite item
Abstract
There have been performed an experimental investigation of intermodulation effects in narrowband regenerative double- and triple-circuit parametric amplifiers (RDPA and RTPA) with nonlinear barrier capacitance. It has been obtained that their single-signal and double-signal intermodulation characteristics are of the conventional form, and their phase shifts in the vicinity of the resonance frequency are close to 90°, that is not enough for the compensation of nonlinear distortions in the case of amplifiers cascading. It has been demonstrated that the introduction of the additional oscillatory circuit at the double signal frequency into RDPA does allow effective compensation of the intermodulation interferences of odd order in the single-stage parametric amplifier.
About the authors
A. M. Bobreshov
Voronezh State University
Author for correspondence.
Email: bobreshov@phys.vsu.ru
Russian Federation, Voronezh
Yu. P. Sbitnev
Voronezh State University
Email: bobreshov@phys.vsu.ru
Russian Federation, Voronezh
N. N. Mymrikova
Voronezh State University
Email: bobreshov@phys.vsu.ru
Russian Federation, Voronezh
O. I. Gulko
Voronezh State University
Email: bobreshov@phys.vsu.ru
Russian Federation, Voronezh
G. K. Uskov
Voronezh State University
Email: bobreshov@phys.vsu.ru
Russian Federation, Voronezh