Design of helix slow-wave structures for high efficiency TWTs
TWTs for space applications commonly have a helix pitch profile which incorporates a section with increased phase velocity followed by a negative phase velocity taper. A simple method is described for the initial design of a helix slow-wave structure of this kind to achieve high overall efficiency....
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| Veröffentlicht in: | IEEE transactions on electron devices 2000-12, Vol.47 (12), p.2438-2443 |
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| container_end_page | 2443 |
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| container_issue | 12 |
| container_start_page | 2438 |
| container_title | IEEE transactions on electron devices |
| container_volume | 47 |
| creator | Srivastava, V. Carter, R.G. Ravinder, B. Sinha, A.K. Joshi, S.N. |
| description | TWTs for space applications commonly have a helix pitch profile which incorporates a section with increased phase velocity followed by a negative phase velocity taper. A simple method is described for the initial design of a helix slow-wave structure of this kind to achieve high overall efficiency. It is shown that the use of a section with increased phase velocity increases the beam efficiency of a TWT while reducing the generation of second harmonic power. The technique is illustrated by its application to a 70 W Ku-band TWT and the performance is shown to be comparable with that of an existing TWT. |
| doi_str_mv | 10.1109/16.887034 |
| format | Article |
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| ispartof | IEEE transactions on electron devices, 2000-12, Vol.47 (12), p.2438-2443 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Beams (radiation) Devices Harmonics Phase velocity Slow wave structures Space applications |
| title | Design of helix slow-wave structures for high efficiency TWTs |
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