Design of a W-band second-harmonic TE sub(02) gyro-TWT amplifier

Design of a W-band second-harmonic TE sub(02) gyro-TWT amplifier

A harmonic gyrotron traveling-wave tube (gyro-TWT) amplifier is described that can stably deliver high peak and average power in the low-loss TE sub(02)-mode at 91.4 GHz. The single-stage second-harmonic TE sub(02) gyro-TWT is predicted to produce a peak power of 600 kW with an efficiency of 24%, a...

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Veröffentlicht in:IEEE transactions on plasma science 2000-01, Vol.28 (6)
Hauptverfasser: Wang, Q S, Huey, HE, McDermott, D B, Hirata, Y, Luhmann, NC Jr
Format: Artikel
Sprache:eng
Schlagworte:
Amplification
Amplifiers
Bandwidth
Emittance
Gain
Gyrotrons
Noise levels
Traveling wave tubes
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Zusammenfassung:A harmonic gyrotron traveling-wave tube (gyro-TWT) amplifier is described that can stably deliver high peak and average power in the low-loss TE sub(02)-mode at 91.4 GHz. The single-stage second-harmonic TE sub(02) gyro-TWT is predicted to produce a peak power of 600 kW with an efficiency of 24%, a saturated gain of 30 dB, and a 3-dB bandwidth of 2.7%. The amplifier employs a 100-kV, 25-A electron beam emitted from a magnetron injection gun with v sub([bottom] )/v sub()
ISSN:0093-3813
DOI:10.1109/27.902251