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Design techniques and experimental results are presented on a Ku-band ${\rm TE}_{11}$ mode gyro-traveling wave tube. The hot test of this amplifier gives more than 153-kW output power, 2.3-GHz bandwidth (14%), 41-dB saturated gain, and 20% efficiency driven by a 63 kV, 12-A electron beam with a pitch angle $({\rm v}_{t}{\rm v}_{z})$ of 1.2, and velocity spread of 5%. A linear polarized ${\rm TE}_{11}$ ...
The design and experimental study of a 34GHz gyro-TWT amplifier operating in the circular TE01 mode at the fundamental cyclotron harmonic are presented. The interaction circuit in this experiment consisted of periodic dielectric loaded circuits that provided the required loss for stable operation. The potential backward wave oscillation interactions involving the spurious modes TE11, TE21, and TE02...
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