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This paper designed a high efficiency W-band extended interaction oscillator. The rectangle coupled-cavity slow-wave line along with the sheet beam can increase the impedance of the circuit and has the merit of high power operation. Through PIC simulation the optimized parameters has been achieved with the beam-wave interaction efficiency over 27%.
An 11th-harmonic slotted peniotron has been designed for reducing the external magnetic field and maintaining relatively high efficiency. Small-signal theory is used to get the start-oscillation conditions for an axis-encircling electron beam. The device employs a 30-kV 1-A axis-encircling beam to interact with the modes of a slotted 11-vane circuit. As an oscillator, the 11th-harmonic slotted...
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