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Publication of NL6612945ApublicationCriticalpatent/NL6612945A/xx
H01J25/00—Transit-time tubes, e.g. klystrons, travelling-wave tubes, magnetrons
H01J25/34—Travelling-wave tubes; Tubes in which a travelling wave is simulated at spaced gaps
H01J25/49—Tubes using the parametric principle, e.g. for parametric amplification
H—ELECTRICITY
H03—ELECTRONIC CIRCUITRY
H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
H03B13/00—Generation of oscillations using deflection of electron beam in a cathode-ray tube