Modeling of drive induced oscillations in a coupled cavity TWT

Modeling of drive induced oscillations in a coupled cavity TWT

A new physics based model suitable for multi-frequency stability analysis of CC-TWTs has been developed and implemented in the CC-TWT design code TESLA-CC. The model describes the beam-wave interaction inside a beam tunnel in the presence of a frequency of input signal, a test frequency of expected...

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Bibliographische Detailangaben
Hauptverfasser: Vlasov, A. N., Chernyavskiy, I. A., Levush, B., Legarra, J. R., Chernin, D., Antonsen, Thomas M.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Analytical models
Cavity resonators
Computational modeling
Coupled cavity TWT amplifiers
drive induced oscillation
Mathematical model
Oscillators
Power generation
Radio frequency
spurious oscillations
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Beschreibung
Zusammenfassung:A new physics based model suitable for multi-frequency stability analysis of CC-TWTs has been developed and implemented in the CC-TWT design code TESLA-CC. The model describes the beam-wave interaction inside a beam tunnel in the presence of a frequency of input signal, a test frequency of expected drive induced oscillation (DIO) and combinational frequencies. The expanded code is capable of simulations of many factors contribute to onset of DIO such as a focusing magnetic filed, reflections from the ends of the structure due to mismatch, and two-dimensional (2D) beam dynamics in strong RF fields.
DOI:10.1109/IVEC.2012.6262270