Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Vladimir Yu. Konev"'
Autor:
Ilya V. Romanchenko, Vladimir Yu. Konev, Valery V. Barmin, Pavel V. Priputnev, Sergey N. Maltsev
Publikováno v:
AIP Advances, Vol 10, Iss 12, Pp 125020-125020-4 (2020)
The generation of high-power nanosecond radio frequency pulses is obtained by means of sequential commutation of silicon high voltage switches periodically placed in a nonlinear transmission line. The coaxial transmission line had the inner conductor
Externí odkaz:
https://doaj.org/article/8a52767310bc4457b852e79ce704cd7b
Autor:
Pavel V. Priputnev, Ilya V. Romanchenko, Sergei N. Maltsev, Vladimir Yu Konev, Vladimir P. Tarakanov
Publikováno v:
IEEE Microwave and Wireless Components Letters. 32:471-474
Publikováno v:
IEEE Electron Device Letters. 42:935-938
This letter describes a recent activity in the development of a high-power microwave source based on a modified relativistic backward wave oscillator that is driven by an advanced version of a SINUS-family accelerator using a double-width pulse-formi
Autor:
Roman R. Khazhibekov, Valeriy V. Barmin, Ilya V. Romanchenko, Vladimir Yu. Konev, Dmitry S. Kokin
Publikováno v:
2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM).
The paper proposes the design of a helical antenna in a potting compound with a connected resistor at the end. It is shown that the presented variant of resistor connection allows us to achieve an acceptable reflection coefficient at low frequencies.
Autor:
Valeriy V. Barmin, Ilya V. Romanchenko, Sergey N. Maltsev, Pavel V. Priputnev, Roman R. Khazhibekov, Vladimir Yu. Konev
Publikováno v:
2021 IEEE 22nd International Conference of Young Professionals in Electron Devices and Materials (EDM).
The paper presents the results of an experiment on the emission of radio pulses formed in a nonlinear transmission line with GaAs diodes. GaAs-based diodes can effectively sharpen pulse front with a lower probability of thermal breakdown than silicon
Publikováno v:
2020 7th International Congress on Energy Fluxes and Radiation Effects (EFRE).
Two directional couplers (for the TM 01 and TE 11 modes of a circular waveguide) have been built to use on high-power nanosecond relativistic microwave oscillators. Both couplers operate between 9 and 10 GHz.
Autor:
Aleksei I. Klimov, Vladimir Yu. Konev, Ruslan V. Tsygankov, Pavel V. Priputnev, Alexei Y. Yushchenko, Vladislav V. Rostov, Eugene V. Emel'yanov
Publikováno v:
2020 7th International Congress on Energy Fluxes and Radiation Effects (EFRE).
A circuit was constructed based on a heterodyne receiver to measure the spectral characteristics of Ka-band high-power nanosecond microwave pulses. The circuit included a receiving antenna, three input waveguide directional couplers with different co
Autor:
Vladimir Yu. Konev, Ilya V. Romanchenko, Valery Barmin, Sergey Maltcev, O. B. Koval’chuk, Sergey Rukin
Publikováno v:
2020 7th International Congress on Energy Fluxes and Radiation Effects (EFRE).
The switching process during the pulse sharpening by silicon diodes with the p+-p-n-n+ structure type and its different area: 0.16 cm2 and 0.09 cm2 was experimentally studied. A reverse polarity pulse with amplitude from 5.43 to 12.80 kV and an avera
Publikováno v:
2020 7th International Congress on Energy Fluxes and Radiation Effects (EFRE).
In this paper we present the results of experimental investigation together with 3D simulation of high-voltage pulse sharpening of the amplitude of 150–200 kV by a nonlinear transmission line with spiral central conductor which incorporate a ferrit
Autor:
V. V. Rostov, Ruslan V. Tsygankov, I.K. Kurkan, O. B. Koval’chuk, A. V. Gunin, Alexei S. Stepchenko, E. M. Tot’meninov, Vladimir Yu. Konev, Alexei Y. Yushchenko, A. A. Elchaninov, Eugene V. Emel'yanov
Publikováno v:
IEEE Transactions on Electron Devices. 65:3019-3025
This paper presents the results of numerical and experimental study of a Ka-band relativistic Cherenkov oscillator with average diameter of the slow-wave structure ${D} \approx \text {2.6}\lambda $ . ( $\lambda $ is a wavelength). The combined mode s