Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 86, Issue 7, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4926458
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Funding
- IEP UB RAS [0389-2014-0005, 5-17-2-47]
- IHCE SB RAS [SP-3354.2015.1]
- RFBR [13-08-01088]
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This paper presents the results of testing a high voltage pulse generator based on parallel gyromagnetic nonlinear transmission lines filled with saturable ferrite. The generator is capable of producing almost identical stable rf-modulated nanosecond high voltage pulses in each of the two, or four, parallel output channels. The output voltage amplitude in each channel can reach -285 or -180 kV, respectively, with a rf modulation depth of up to 60%. Drive pulses were produced as the packets of duration 1-5 s at a pulse repetition frequency of 800 Hz using a driver equipped with all-solid-state switches. Splitting the driver pulse provided electric field strengths in the channels which were below the breakdown field strength of the transmission lines. As a result, the use of nonlinear transmission lines of reduced diameter made it possible to increase the center frequency of the excited rf oscillations to similar to 2 GHz. (C) 2015 AIP Publishing LLC.
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