Design method of spiral line slow wave circuit of S-band high-power pulse traveling wave tube

• Main Authors: REN JUN, CHEN YUZHOU, HEO JOON, ZOU WENJING, SHEN YONG, YAO HUIXIANG
• Format: Patent
• Language: Chinese; English
• Published: 17.05.2022
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS; ELECTRICITY

The invention provides a design method of a spiral line slow wave circuit of an S-band high-efficiency high-power pulse traveling wave tube, relates to the technical field of high-efficiency high-power pulse traveling wave tubes, and aims to meet the requirements of electronic efficiency higher than 30% and pulse output power of 12kW. The spiral line slow wave circuit structure of the S-band pulse traveling wave tube is reasonable in structural design, high in reliability, high in efficiency and high in power. The spiral line slow-wave circuit comprises a composite tube shell and a molybdenum conical spiral line which is installed in the composite tube shell through a triangular beryllium oxide porcelain rod and a fastening piece in a braking mode. A slow wave structure of a large-taper biconical spiral line is combined with a dynamic phase velocity jump and gradual change technology, fastening is carried out in a braking mode through the fastening pieces, and a composite tube shell structure in which the pol