FIELD: microwave devices. SUBSTANCE: traveling-wave tube has its slow-wave structure screen provided with helical slot of po pitch and bottom diameter of 2R related to pitch p and diameter 2r of helix by equation , with slot width and depth not exceeding quarter of minimum working wavelength. Slot varies spacing of structure thereby worsening conditions of reverse harmonic excitation. EFFECT: enlarged tube gain band, improved stability in operation. 2 dwg
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Authors
Dates
1995-05-27—Published
1991-03-06—Filed