Klystron equalization for RF feedback [electronic resource].

Published:: Washington, D.C. : United States. Dept. of Energy, 1993.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:: 8 pages : digital, PDF file
Additional Creators:: Stanford Linear Accelerator Center, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information

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Summary:

The next generation of colliding beam storage rings support higher luminosities by significantly increasing the number of bunches and decreasing the spacing between respective bunches. The heavy beam loading requires large RF cavity detuning which drives several lower coupled bunch modes very strongly. One technique which has proven to be very successful in reducing the coupled bunch mode driving impedance is RF feedback around the klystron-cavity combination. The gain and bandwidth of the feedback loop is limited by the group delay around the feedback loop. Existing klystrons on the world market have not been optimized for this application and contribute a large portion of the total loop group delay. This paper describes a technique to reduce klystron group delay by adding an equalizing filter to the klystron RF drive. Such a filter was built and tested on a 500 kill klystron as part of the on going PEP-II R&D effort here at SLAC.

Report Numbers:

E 1.99:slac-pub--6049
E 1.99: conf-9211172--1
conf-9211172--1
slac-pub--6049

Subject(s):

Particle Accelerators

Other Subject(s):

Note:

Published through SciTech Connect.
01/01/1993.
"slac-pub--6049"
" conf-9211172--1"
"DE93007740"
International workshop on B factories: accelerators and experiments,Tsukuba (Japan),17-20 Nov 1992.
Corredoura, P.

Funding Information:

AC03-76SF00515

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