V.A. Tsarev - Dr. Sc. (Eng.), Professor, Department ЭПУ, Yuri Gagarin State Technical University (Saratov). E-mail: tsarev_va@mail.ru I.O. Chigurov - Post-graduate Student, Department ЭПУ, Yuri Gagarin State Technical University (Saratov). E-mail: chigurov@gmail.com P.D. Shalaev - Ph. D. (Eng.), Head of Department, JSC «SPE «Almaz» (Saratov). E-mail: p.d.shalaev@yandex.ru

As a result of numerical calculations is proposed and implemented in the design of multi-beam klystron Ku-band modified output resonant system that includes the associated output and coupled active resonators and a passive resonator, made in the waveguide output energy. Experiments have shown that the use of this system associated inphase and antiphase oscillations allows to increase the bandwidth in the 1.8-2 times compared with conventional design, the output resonant system, which is made on single-gap resonator. The maximum peak power of 1.4 kW was obtained during the experiment at a current of 0.8 A cathode and accelerating voltage. 3,4 kV with efficiency 43%.

 

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