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The paper describes voltage break down phenomenon and preventive measures in components of 250 KW CW, C band klystron under development at CEERI Pilani. The klystron operates at a beam voltage of 50 kV and delivers 250 kW RF power at 5GHz frequency. The klystron consists of several key components and regions, which are subject to high electrical stress. The most important regions of electrical breakdown...
The multiple beam klystrons (MBK) offer some distinct advantages over their single beam versions including higher average power, relatively lower operating voltages, higher bandwidth and low individual beam current. In this paper the design of the radio frequency (RF) section of a multiple beam klystron working in the J band frequency range is presented. The RF design and simulation has been carried...
This paper gives a new design for the cavity of Sheet beam Klystron (SBK) which has lot of advantages as well as some design challenges. This cavity design employs dielectric loading for flat field across the beam.
The klystron is a microwave tube capable to produce very high power that find wide use in communication, radar, material processing, particle accelerators and thermonuclear fusion reactors. The RF section has an important role in deciding the RF performance of the tube, such as its gain, band width, efficiency etc. The RF section is a integration of 6 numbers RF resonant cavities. The fabrication...
A 6 MW peak, 24 kW average power S-band Klystron is under development at CEERI, Pilani under an MoU between BARC and CEERI. The design of the klystron has been completed. The electron gun has been designed using TRAK and MAGIC codes. RF cavities have been designed using HFSS and CST Microwave Studio while the complete beam wave interaction simulation has been done using MAGIC code. The thermal design...
Klystron is vacuum electron device operating in microwave range of frequencies. It is used as power amplifier in a variety of systems including radars, particle accelerators and thermonuclear reactors. With the availability of very reliable design codes, it is now possible to optimize the design and develop a tube with minimum iterations in fabrication. In the present case standard design codes like...
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