Development of the Radiofrequency Section of a Ku-band Multiple-Beam Klystron

Bandyopadhyay, Antar; Joshi, L. M.; Pal, Debasish; Kant, Deepender; Meena, Rakesh; Kumar, B. Santhosh; Maity, Santigopal; Rawat, Vikram; Saha, Sankhadip

doi:10.1080/03772063.2016.1217174

Cited by 2 publications

(1 citation statement)

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“…In the case of MBKs (or any other type of klystrons) operating at higher frequencies, achieving higher shunt impedances in the gain cavities and symmetric coupling in the input/output cavities is challenging. One of the ways to increase the shunt impedance of the RF cavities is to use the extended interaction type of cavities [5][6][7][8][9] 2 of 17 Klystrons with extended interaction RF cavities (EIKs) are designed with multiple gaps to achieve larger shunt impedances for an efficient beam-wave energy transfer and the proper synchronization of the electron beam with the RF field [10][11][12][13][14].…”

Section: Introductionmentioning

confidence: 99%

Design of the Radio Frequency Section of a Ka-Band Multiple Beam Ladder-Type Extended Interaction Klystron

et al. 2022

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Ka-band frequencies are becoming increasingly popular due to their application potential in high-data-rate wireless communications relevant to 5G applications, satellite link establishment, etc. High-power amplifiers in this frequency band, offering several tens of watts of output RF power, are one of the main enabling components of these communication systems. This article reports the design studies and analysis of the radio frequency (RF) section of a multiple beam-extended interaction klystron (MB-EIK). The proposed multiple beam RF section with a ladder-type EIK structure offers several crucial features, such as a low-voltage operation, moderate operational bandwidth, and high output power. Starting from the design of the intermediate cavities, the input and output sections and the overall RF section are presented. The proposed RF section supports the operation at 28.5 GHz center frequency with about a 500 MHz 3 dB bandwidth employing four electron beams with a 4 kV DC accelerating field.

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