A High-Power Source of Ultrawideband Radiation of Subnanosecond Duration with Controllable Characteristics

E. V. Balzovsky; Балзовский Е. В.; Yu. I. Buyanov; Буянов Ю. И.; A. M. Efremov; Ефремов А. М.; V. I. Koshelev; Кошелев В. И.; E. S. Nekrasov; Некрасов Э. С.; S. S. Smirnov; Смирнов С. С.

doi:10.31857/S0032816223020143

A High-Power Source of Ultrawideband Radiation of Subnanosecond Duration with Controllable Characteristics

Authors: Balzovsky E.V.¹, Buyanov Y.I.¹, Efremov A.M.¹, Koshelev V.I.¹, Nekrasov E.S.¹, Smirnov S.S.¹
Affiliations:
1. Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences
Issue: No 3 (2023)
Pages: 37-45
Section: ЭЛЕКТРОНИКА И РАДИОТЕХНИКА
URL: https://rjmseer.com/0032-8162/article/view/670509
DOI: https://doi.org/10.31857/S0032816223020143
EDN: https://elibrary.ru/GSNWFE
ID: 670509

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Abstract

A high-power source of ultrawideband radiation of subnanosecond duration based on a hybrid antenna with an offset reflector has been developed. At the focus of the reflector, there is an array of 2 × 2 combined antennas excited by a four-channel bipolar voltage pulse former with an amplitude of 60 kV and a duration of 0.5 ns at a repetition frequency of up to 100 Hz. Radiation modes with discrete scanning of the wave beam, as well as with linear, orthogonal, and elliptical polarizations, were implemented. Radiation pulses with a field strength of 40–120 kV/m at a distance of 4.5 m were obtained.

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