High efficiency klystron

Author: tfeg

August undefined, 2024

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, … 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

High Efficiency 50MW X - SLAC National Accelerator Laboratory

Web28 de abr. de 2024 · Abstract: In order to reduce energy consumption and operating cost for CEPC, the 650MHz/800kW high efficiency klystron has been regarded as a priority key … Web7 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 … birch resort trout lake

Electronics Free Full-Text High-Frequency Vacuum Electron …

Web6 de abr. de 2024 · In order to ensure that microwave energy coupling into the resonant cavity does not excite other modes and ensure efficient energy storage, the input microwave pulse should be in the corresponding mode (circular waveguide TE 01 mode). While the output of the high power resource (Klystron) is rectangular waveguide TE 10 … WebKlystron. 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 … 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%. birch resort port douglas

Klystron - an overview ScienceDirect Topics

A high-efficiency klystron with distributed interaction

Webklystron with a grounded collector, the interaction efficiency equals the klystron efficiency. The interaction efficiency reaches approximately 24 percent at saturation while typical values for the saturated klystron efficiency of the DBS-MSDC klystron are around 40 percent. On some channels, efficiencies as high as 44 percent have been measured. 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 … birch resources midland texasWebThe High Efficiency International Klystron Activity (HEIKA) collaboration seeks to improve upon this by considering novel methods of electron bunching. Such methods include the … birch resources permian

"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 … " - High efficiency klystron

High efficiency klystron

WebHigh Efficiency X-Band 50MW Klystron Study Brandon Weatherford, Valery Dolgashev and Jeff Neilson SLAC National Accelerator Laboratory, Menlo Park, CA Aaron Jensen Leidos, Inc., Billerica, MA SLAC-R-1096 October 17, 2024 Prepared for CERN under program SLAC 391 - Appendix 19 by SLAC National Accelerator Laboratory. Webused in this high efficiency klystron. Design considerations for the SPS klystron use the VKS-7773 as a design bench mark. Theoretical studies indicate likely modifications that …

Did you know?

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 ... 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 …

WebHigher 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 … WebLien, 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.

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.

WebIn the Tristan project, which happened prior to the B Factory accelerator, we delivered a large number of power supplies for magnets, including the high voltage part of the 2MW klystron power supply. At the time of remodeling Tristan to B Factory, about 400 units of our company were selected including the newly developed high-precision power supply for …

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 … birch resources oilWeb24 de out. de 2024 · As large-scale scientific facilities develop, the klystron efficiency becomes an important issue to reduce high operating costs. We are developing high … birch resources llcWeb26 de dez. de 2024 · For maximum efficiency of the klystron, the bunching of the electron must take place in the center of the cavity gap. ... It is also used as a high power, narrowband stable amplifier. The magnetron … dallas mavericks nba championship winsWebThis type of HVPS has versatile controls on voltage rise time, programmability of HV pulses, etc. A conventional HVPS on the other hand is less efficient (efficiency of about 90%) and needs additional crowbar system to limit arc fault energy. All other auxiliary power supplies needed for klystron operation would be of conventional type. 3.4. birch resources oil and gasWeb1 de mai. de 2024 · The most popular source for an accelerator is a klystron, which has the advantage that it can be operated at high power with a reasonable high efficiency. … birch resources houston phone numberWebhigh efficiency klystron using novel bunching mechanisms. The 1-D disk model based code is used for preliminary optimization of the tube parameters; these parameters are further checked by 2-D codes known as field charge interaction (FCI) and MAGIC. In this paper, the design consideration of the high efficiency klystron is presented. … dallas mavericks new city jerseyWeb1 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, ... dallas mavericks new era fitted hats