Zobrazeno 1 - 10
of 146
pro vyhledávání: '"Andrei, Grebennikov"'
Autor:
Ivan Kuryndin, Sergei Kostromin, Rustam Mamalimov, Anton Chervov, Andrei Grebennikov, Sergei Bronnikov
Publikováno v:
Polyolefins Journal, Vol 9, Iss 1, Pp 25-31 (2022)
Swelling of high-density polyethylene (PE) in organic solvents, orthodichlorobenzene and orthoxylene, was investigated. The swelling kinetics of the PE specimen was described by the first-order equation. For the first time, the PE specimen swelling r
Externí odkaz:
https://doaj.org/article/85a0fa8891d3471c84b7b5d51aa8d799
Autor:
Selvakumar Mariappan, Jagadheswaran Rajendran, Narendra Kumar, Masuri Othman, Arokia Nathan, Andrei Grebennikov, Binboga S. Yarman
Publikováno v:
Micromachines, Vol 14, Iss 3, p 530 (2023)
This paper proposes a wideband CMOS power amplifier (PA) with integrated digitally assisted wideband pre-distorter (DAWPD) and a transformer-integrated tunable-output impedance matching network. As a continuation of our previous research, which focus
Externí odkaz:
https://doaj.org/article/b044b2a70ac6444c892dca4fc5dcb0c4
Publikováno v:
Sensors, Vol 22, Iss 23, p 9173 (2022)
Increasing the efficiency of transmitters, as the largest consumers of energy, is relevant for any wireless communication devices. For higher efficiency, a number of methods are used, including envelope tracking and envelope elimination and restorati
Externí odkaz:
https://doaj.org/article/15e43d39e62845fab5fec7abf5085af3
Publikováno v:
IEEE Access, Vol 8, Pp 208879-208891 (2020)
In this paper, a novel outphasing power amplifier (PA) based on class-E amplifiers with shunt capacitances and shunt filters is proposed. The new design provides high drain efficiency for both peak and back-off power levels. A mathematical model for
Externí odkaz:
https://doaj.org/article/3ca63c607f7040ce8d93a45bf5db61bb
A majority of people now have a digital mobile device whether it be a cell phone, laptop, or blackberry. Now that we have the mobility we want it to be more versatile and dependable; RF power amplifiers accomplish just that. These amplifiers take a s
Publikováno v:
International Journal of Circuit Theory and Applications. 51:1132-1152
Publikováno v:
Microwave and Optical Technology Letters. 65:425-433
Autor:
Andrei Grebennikov
Publikováno v:
Tikhookeanskaya Geologiya. 41:104-110
For the first time, the absolute age of volcanic rocks of the Brusilovka volcanic depression has been obtained by employing the LA-ICP-MS-based U-Pb method. The results (~61–56 Ma) are consistent with the timespan of the Paleocene magmatic stage ma
Publikováno v:
IEICE Transactions on Electronics. :488-495
Autor:
Yu.V. Rassokhina, V.G. Kryzhanovskyi, D. G. Makarov, D.V. Chernov, Andrei Grebennikov, V. V. Kryzhanovskyi
Publikováno v:
Radiotekhnika. :120-127
The system of equations for processes in the amplifier output network is analytically formulated. This system of equations considers parameters of resonant networks at higher harmonics. To calculate amplifier output network, the system of five equati