Fig. 1. 650 MHz/800 kW single-beam klystron

Fig. 2. Schematic of multi-beam klystron and the output coupler

Fig. 3. Schematic of the single-beam klystron output coupler

Fig. 4. Thermal and thermal stress analysis of the single-beam klystron output coupler

Fig. 5. Structure diagram of multi beam klystron output coupler

Fig. 6. Temperature increase and thermal stress of ceramic

Fig. 7. S-parameter test of single-beam klystron output coupler

Fig. 8. S₁₁ test of multi-beam klystron output coupler

Fig. 9. Analysis results of T-bar coupler

Fig. 10. High-power test platform of multi-beam klystron output coupler