Breakdown phenomena in high-power klystrons

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August undefined, 2024

WebMR, 16 high power klystrons are used to deliver an RF power over 0.8 MW per tube to accelerating cavities of ... degradation of the breakdown voltage as was often the case with early tubes. Excess barium evaporation in ... Due to this phenomenon and the severely inhomogeneous field around the surface, the limit of power output of this type of ... WebJun 13, 2024 · The U.S. Department of Energy's Office of Scientific and Technical Information

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WebSearch results for citedby:recid:542517. Number of results: 6 ≪ < page 1 of 1 > ≫ Brief list Raw JSON WebIn the course of developing new high peak power klystrons at SLAC, high electric fields in several regions of these devices have become an important source of vacuum breakdown phenomena. In addition, a renewed interest in breakdown phenomena for nanosecond pulse, multi-megavolt per centimeter fields has been sparked by recent R and D work in … ginny light up wand

RF BREAKDOWN STUDIES IN X-BAND KLYSTRON CAVITIES*

WebA klystron is a specialized linear-beam vacuum tube, invented in 1937 by American electrical engineers Russell and Sigurd Varian, [1] which is used as an amplifier for high radio frequencies, from UHF up into the … WebMay 12, 2008 · The multipactor and flashover phenomena of alumina rf windows used in high‐power klystrons have been investigated. Multipactoring due to the high yield of secondary electron emission takes place during rf operation. Webstorage from 2.5 GeV/ 200mA of PLS. Each high power RF (HPRF) station is composed of a 300 kW klystron with power supplies, transmission components including a 350 kW circulator and load, and water cooling system. The klystrons are generally operated as a RF power source with high gain amplification for RF system of light sources. full size bed rails #0050

(PDF) High-Power Test of Two Prototype X-Band ... - Academia.edu

Breakdown phenomena in high-power klystrons - IEEE Xplore

WebIn the course of developing new high peak power klystrons at SLAC, high electric fields in several regions of these devices have become an important source of vacuum … WebAug 1, 2024 · In the course of developing new high peak power klystrons at SLAC, high electric fields in several regions of these devices have become an important source of … ginny lobelWebBecause very high FW powers must be transmitted through the output window, there are several different types of breakdown phenomena of concern, e.g. multipactor and puncture. Many studies and tests have been performed to investigate the breakdown mechanism and to find a window design with a high probability of long life [SI. full size bed revit family

"WebIn the course of developing new high peak power klystrons at SLAC, high electric fields in several regions of these devices have become an important source of vacuum … " - Breakdown phenomena in high-power klystrons

Breakdown phenomena in high-power klystrons

Coating Techniques and Improvement of High Power CW …

WebOct 3, 2024 · Klystrons power transmitters for a variety of radars, including weather, military and air traffic control radars. The devices are also used in satellite communications. For example, the Deep Space Network’s (DSN) satellite terminal transmitters use klystrons for signal amplification. High-power UHF TV transmitters were driven by klystrons. http://geomgrav.fi.ut.ee/inspire/literature.php?recid=260958

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WebIn the course of developing new high-peak-power klystrons, high electric fields in several regions of these devices have become an important source of vacuum breakdown. In addition, a renewed interest in breakdown phenomena for nanosecond-pulse, megavolt … In the course of developing new high-peak-power klystrons, high electric fields in … Featured on IEEE Xplore The IEEE Climate Change Collection. As the world's … IEEE Xplore, delivering full text access to the world's highest quality technical … The most important regions of electrical breakdown are in the output cavity gap … WebA reflex klystron is an obsolete type in which the electron beam was reflected back along its path by a high potential electrode, used as an oscillator. The name klystron comes from the Greek verb κλύζω ( klyzo) …

WebA.E.Vlieks et Al, “Breakdown Phenomena in High Power Klystrons,” XIIIth Int. Symposium on Discharges and Electric Insulation in Vacuum, Paris France, June27-30, 1988, and SLAC-Pub-4546 March 1988 [2] W. R. Fowkes et … WebOne of great difficulties in developing high power klystrons was an rf window. Due to the so-called one-side- multipactoring, the ceramic window showed abnormal temperature increase above a threshold level. The same phenomena happened in rf couplers used in both APS and superconducting cavities.

WebPDF In the course of developing new high-peak-power klystrons, high electric fields in several regions of these devices have become an important source of vacuum breakdown. In addition, a renewed interest in breakdown phenomena for nanosecond-pulse, megavolt-per-centimeter fields has been sparked by recent work in the area of gigawatt RF sources.

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WebHIGH VOLTAGE Breakdown phenomena Assistant Professor Suna BOLAT KRÖGER Eastern Mediterranean University Department of Electric & Electronic Engineering . … full size bed rails and slatsWebMay 1, 1999 · At the KEKB 8 GeV electron-positron linac, S-band 50-MW high-power pulsed klystrons have been used as the rf source. In this klystron, a large diameter of 85 mm is used for the cathode of a convergent-type electron gun. This large-diameter cathode requires a careful manufacturing process in order to obtain sufficient reliability, an arcing … full size bed rails with hooksWebAlumina rf windows are used at high-power rf sources, such as klystrons. The breakdown of rf windows takes place due to multipactor and flashover events on the alumina surface. full size bed rail covers