High efficiency klystron
Web1 de mar. de 2024 · Recent new bunching technologies are popularly used to enhance efficiency. These technologies improve klystron itself with a lower development cost, comparing with the Depressed-collector [10], which usually has a high technical requirement to transfer the spent beam power to power suppliers.The CSM [11] bunching method, … WebAt high current densities, however, space-charge forces are not negligible and the repulsive forces will interfere with the ballistic bunching, leading to a degradation in efficiency. It occurred to klystron designers that higher current beams could be achieved by separating the single electron beam into multiple beamlets, each with a ...
High efficiency klystron
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Web5 de jul. de 2024 · As the high perveance leads to the strong space charge and consequently a weak bunching and a lower klystron efficiency. On the other hand, with a lower perveance, the space charge is weaker and this leads to strong bunching and consequently we obtain a high efficiency up to 42 \(\%\) with a 20 MW RF output of our … Web26 de abr. de 2024 · This klystron has been designed in the frame of CLIC project and the main challenge for this amplifier is to achieve the high efficiency target of 70% required …
Web1 de mar. de 2024 · State of art of high efficiency multi-beam Klystron. The klystron efficiency is commonly defined as (Po)/(Pb), where Po is an RF output power and Pb is a beam power. The TOSHIBA E37503 [3] is a 6-beams pulsed klystron working at the frequency of 1 GHz and the tested efficiency of E37503 is 71.5%. Web1 de jun. de 2014 · The High-Efficiency International Klystron Activity (HEIKA) collaboration [61,62] investigates novel techniques for high-efficiency klystrons. Techniques such as the Bunching, ...
Web26 de mai. de 2024 · Abstract: Many large scientific devices use numerous S-band high power klystrons, so improving the efficiency of the klystron is of great significance to … Web5 de mar. de 2024 · The calculation shows that the klystron with 14 electron beams and a 4.2 kA bam current can deliver 1.02 GW power and 48.7% efficiency at 500 kV beam voltage. Another paper is based on the G-Band klystron, which
WebAt high current densities, however, space-charge forces are not negligible and the repulsive forces will interfere with the ballistic bunching, leading to a degradation in efficiency. It …
WebHigh efficiency klystron effort at CERN. I. Syratchev, LCWS, Japan, Sendai, October 28 –November 1, 2024 • E field expansion in the drift tubes causes beam reacceleration when it leaves the output cavity. • Ohmic loses are proportional to the operating frequency. greenline loans contactWebHigher efficiency and larger gain-bandwidth product, as predicted by theory, were observed experimentally with a pulsed S-band distributed klystron operated at a maximum beam … flying forks lancaster ohioWebKlystron. Klystrons are high power microwave vacuum tubes. They are velocity-modulated tubes that are used in radars as amplifiers or oscillators. A klystron uses the kinetic energy of an electron beam for the … greenline loans customer service hoursWeb7 de dez. de 2013 · For the purpose of high efficiency, low frequency, and miniaturization, a coaxial klystron-like RBWO with a premodulation cavity is presented. Particle-in-cell simulations show that a microwave with power of 1.15 GW and frequency of 2.1 GHz is generated with conversion efficiency of 48%, whereas for the device with a reflector, the … flying ford pinto crashWebIHEP is developing 650 MHz klystron with 800 kW CW output power and 80% efficiency. To reach this goal, a couple of klystron prototypes will be manufactured in the near future. The first prototype is completely manufactured by Institute of Electronics (IE) and GLVAC Company and the first step of high-power conditioning and commissioning is also ... flying for home horse racing gameWebLien, E. L., ‘ High-efficiency klystron amplifiers ’, in Eighth International Conference on Microwaves and Optical Generation and Amplification, Amsterdam, The Netherlands, pp. 11 – 21 to 11–27, 1970. greenline loans customer service numberWeb18 de jan. de 2024 · Both approaches were actively used by developers of high-efficiency klystrons in leading klystron centers in Russia and abroad as early as in the last century. Most record-setting high-efficiency klystrons were developed at that time using either elongated drift tubes or shortened drift tubes with one or two additional cavities at the … flying forecast