The synchronized operation of four gyromagnetic nonlinear transmission lines (NLTLs) was tested with a pulse repetition frequency up to 1 kHz during 1 s bursts. High voltage pulses with a duration of ∼5 ns from the solid state driver S-500 were split into four 48 Ω channels reaching about −200 kV in each channel with ∼10% variation in the amplitude. The maximum peak voltage at the NLTL output was within 220-235 kV with the maximum modulation depth of decaying oscillations up to 90% at the center frequency near 2.1 GHz. The relative delay between channels reached the half-period of the center frequency of oscillations. The associated beam steering by four element array of conical helical antennas was demonstrated in a horizontal plane at 17°. The effective potential of radiation reached 360 kV at the radiation axis. The effect of ferrite temperature on the shock wave velocity in gyromagnetic NLTL is observed.
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May 2017
Research Article|
May 25 2017
Four channel high power rf source with beam steering based on gyromagnetic nonlinear transmission lines
I. V. Romanchenko
;
I. V. Romanchenko
a)
1Institute of High Current Electronics,
SB RAS
, 2/3 Akademichesky Ave., 634055 Tomsk, Russia
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M. R. Ulmaskulov;
M. R. Ulmaskulov
2Institute of Electrophysics,
UB RAS
, 106 Amundsen St., 620016 Ekaterinburg, Russia
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K. A. Sharypov;
K. A. Sharypov
2Institute of Electrophysics,
UB RAS
, 106 Amundsen St., 620016 Ekaterinburg, Russia
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S. A. Shunailov;
S. A. Shunailov
2Institute of Electrophysics,
UB RAS
, 106 Amundsen St., 620016 Ekaterinburg, Russia
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V. G. Shpak;
V. G. Shpak
2Institute of Electrophysics,
UB RAS
, 106 Amundsen St., 620016 Ekaterinburg, Russia
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M. I. Yalandin;
M. I. Yalandin
2Institute of Electrophysics,
UB RAS
, 106 Amundsen St., 620016 Ekaterinburg, Russia
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M. S. Pedos;
M. S. Pedos
2Institute of Electrophysics,
UB RAS
, 106 Amundsen St., 620016 Ekaterinburg, Russia
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S. N. Rukin
;
S. N. Rukin
2Institute of Electrophysics,
UB RAS
, 106 Amundsen St., 620016 Ekaterinburg, Russia
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V. Yu. Konev
;
V. Yu. Konev
1Institute of High Current Electronics,
SB RAS
, 2/3 Akademichesky Ave., 634055 Tomsk, Russia
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V. V. Rostov
V. V. Rostov
1Institute of High Current Electronics,
SB RAS
, 2/3 Akademichesky Ave., 634055 Tomsk, Russia
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a)
Electronic mail: [email protected].
Rev. Sci. Instrum. 88, 054703 (2017)
Article history
Received:
March 03 2017
Accepted:
May 07 2017
Citation
I. V. Romanchenko, M. R. Ulmaskulov, K. A. Sharypov, S. A. Shunailov, V. G. Shpak, M. I. Yalandin, M. S. Pedos, S. N. Rukin, V. Yu. Konev, V. V. Rostov; Four channel high power rf source with beam steering based on gyromagnetic nonlinear transmission lines. Rev. Sci. Instrum. 1 May 2017; 88 (5): 054703. https://doi.org/10.1063/1.4983803
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