DRIFT-TUBE KLYSTRON Russian patent published in 1994 - IPC

FIELD: SHF high-vacuum equipment. SUBSTANCE: double-cavity drift-tube klystron of enhanced power has drift tube of lattice structure of ellipsoidal shape and collector in which minor axis of drift tube is located along axis of klystron and major axis is matched with plane of cavity partition to realize increased thermal stability of frequency within (10^-3-10^-4), low voltage (500 V), diminutiveness (0.25 kg) and simplicity of design. Holders of grid and collector have variable thickness diminishing in accordance with linear law in direction of side wall of cavity. They are linked up with it at acute angle. Face surface of continuous collector is placed above lattice structure of drift tube and follows its shape. In this case there are realized conditions: L/D= 0.35-0.60; α=45-65; D_сt_с=D_рt_p, where L, D are minor and major axes of ellipsoid, mm; α is slope of holders of grid with respect to cavity wall, deg; D_с and D_p are inner and outer diameters of holders of grid and collector, mm; t_с and t_р are thicknesses of holders of grid and collector corresponding to inner and outer diameters, mm. EFFECT: increased thermal stability of frequency, realization of diminutiveness, low voltage and simplicity of design. 5 dwg