Cascaded Relativistic Magnetron With Phase-Locked Multiport Extraction

Cascaded relativistic magnetron (CRM) is a novel design for relativistic magnetron (RM) with phase-locked microwave output. A cascaded phase-locking RM contains two slow wave structures (SWSs) and an axially extended coupling cavity, which was designed to obtain eight-way phase-locked microwave outp...

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Bibliographic Details
Published in:IEEE transactions on electron devices 2023-09, Vol.70 (9), p.1-6
Main Authors: Zhou, Hao, Hu, Ji-Jun, Shi, Jun, Li, Hao, Wang, Hai-Yang, Hu, Biao, Zhou, Yi-Hong, Chen, Ting-Xu, Yang, Ming-Yu, Li, Tian-Ming
Format: Article
Language:English
Subjects:
Anodes
Blades
Cathodes
Couplings
Customer relationship management
Electric potential
Electromagnetic coupling
high-power microwave (HPM) generation
magnetrons
Microwave oscillators
phased arrays
Relativistic effects
vacuum electronics
Voltage
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Summary:Cascaded relativistic magnetron (CRM) is a novel design for relativistic magnetron (RM) with phase-locked microwave output. A cascaded phase-locking RM contains two slow wave structures (SWSs) and an axially extended coupling cavity, which was designed to obtain eight-way phase-locked microwave output. Simulations show that under 650-kV anode voltage and 0.59-T axial magnetic field, the CRM operated in \pi -mode, the output signals fell into a phase-locked state in 14 ns, the power of each way is about 200 MW with 3.75-GHz frequency, and total power exceeded 1.5 GW under 5.5-kA anode voltage. In the serial cascaded configuration, the driven voltage is fed from the intersection of the anode, which obtains a 44% device efficiency.
ISSN:0018-9383
1557-9646
DOI:10.1109/TED.2023.3294455