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US 4,567,406 AGranted
High-gain Klystron-tetrode
AssigneeSiemens Aktiengesellschaft
InventorHinrich Heynisch
Life of this patent
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Abstract
The disclosure related to an improved Klystron-tetrode which has some of the characteristics of a klystron and a tetrode having a hollow beam and tuned cavity resonators for optimizing the phase relation between resonator gaps.
Claims2
High-gain klystron-tetrode, comprising a tube for accomodating a hollow beam;
- a ring cathode with a heater, two resonator gap apertures and a collector for generating the hollow beam;
- a ring grid for current-modulating the hollow beam;
- an external cavity resonator for current modulation, said external cavity resonator having a tuning slider of a grid-cathode circuit for operating the klystron-tetrode;
- and a re-entrant output cavity resonator, said reentrant cavity resonator having two independent tuning sliders for generating HF power by setting the resonator frequency and optimizing the phase between said resonator gap apertures for inphase and substantially in-phase operation, and said re-entrant cavity resonator having magnets integrated therein for focussing the hollow beam.
1 more element
Dependencies are inferred from the claim text.